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ColorsPalettesDownload for iOS

#EF4444

Tomato

#EF4444Tomato

Luminance

0.229

Category

Red

Type

Dark

Best On

#FFFFFF

Color Codes

All color formats for your project

HEX

HEX
#EF4444
No #
EF4444

RGB

RGB
rgb(239, 68, 68)
Values
R:239 G:68 B:68

HSL

HSL
hsl(0, 84%, 60%)
Values
H:0° S:84% L:60%

HSV / HSB

HSV
hsv(0, 72%, 94%)
Values
H:0° S:72% V:94%

CMYK

CMYK
cmyk(0%, 72%, 72%, 6%)
Values
C:0 M:72 Y:72 K:6

LAB

LAB
lab(55, 65, 39)
Values
L:55 a:65 b:39

OKLCH

OKLCH
oklch(63.7% 0.208 25.3)
Values
L:63.7% C:0.208 H:25.3°

Code Formats

CSS
color: #EF4444;
Swift
UIColor(red: 0.937, green: 0.267, blue: 0.267, alpha: 1.0)
Kotlin
Color(0xFFEF4444)
Flutter
Color(0xFFEF4444)
Android
#FFEF4444

Contrast Analysis

WCAG compliance with grayscale colors

On White

3.76:1

AA-large

On Black

5.58:1

AA

Grayscale Contrast

Aa

0%

5.6

AA
Aa

10%

4.6

AA
Aa

20%

3.4

AA-large
Aa

30%

2.2

Fail
Aa

40%

1.5

Fail
Aa

50%

1.1

Fail
Aa

60%

1.3

Fail
Aa

70%

1.8

Fail
Aa

80%

2.3

Fail
Aa

90%

3.0

Fail
Aa

100%

3.8

AA-large

Best Grayscale Contrast

#000000 with ratio 5.58:1

Aa

Color Harmonies

Harmonious color combinations

complementary

Two colors opposite on the color wheel (180°)

split-complementary

Base color + two colors adjacent to its complement

triadic

Three colors evenly spaced (120° apart)

tetradic

Four colors evenly spaced (90° apart)

analogous

Three colors adjacent on the color wheel (30° apart)

Color Variations

Tints, shades, tones, and full scale

Color Scale (50-900)

50

100

200

300

400

500

600

700

800

900

Tints (Lighter)

Shades (Darker)

Tones (Desaturated)

Gradients (OKLCH)

Primary

90°
CSS
linear-gradient(90deg, #F7A1A1 0%, #BC1010 100%)
OKLCH
linear-gradient(90deg, oklch(79.4% 0.103 19.6) 0%, oklch(50.5% 0.200 28.4) 100%)
Stops
0%
100%

Vibrant

135°
CSS
linear-gradient(135deg, #FE6767 0%, #FF0000 100%)
OKLCH
linear-gradient(135deg, oklch(70.4% 0.185 23.1) 0%, oklch(62.8% 0.258 29.2) 100%)
Stops
0%
100%

Complementary

90°
CSS
linear-gradient(90deg, #EF4444 0%, #43EFEF 100%)
OKLCH
linear-gradient(90deg, oklch(63.7% 0.208 25.3) 0%, oklch(86.9% 0.135 195.0) 100%)
Stops
0%
100%

Analogous

90°
CSS
linear-gradient(90deg, #EF4399 0%, #EF4444 50%, #EF9943 100%)
OKLCH
linear-gradient(90deg, oklch(65.6% 0.220 354.5) 0%, oklch(63.7% 0.208 25.3) 50%, oklch(75.5% 0.143 62.3) 100%)
Stops
0%
50%
100%

Sunset

90°
CSS
linear-gradient(90deg, #F6CE55 0%, #EE6C2B 50%, #E6193C 100%)
OKLCH
linear-gradient(90deg, oklch(86.4% 0.144 90.6) 0%, oklch(68.0% 0.177 43.8) 50%, oklch(59.1% 0.228 21.2) 100%)
Stops
0%
50%
100%

Ocean

135°
CSS
linear-gradient(135deg, #19A1E6 0%, #22C3B6 50%, #47D1A3 100%)
OKLCH
linear-gradient(135deg, oklch(67.5% 0.146 238.9) 0%, oklch(73.8% 0.124 186.2) 50%, oklch(77.5% 0.136 166.9) 100%)
Stops
0%
50%
100%

Dark Mode

180°
CSS
linear-gradient(180deg, #EF4343 0%, #2F0E0E 100%)
OKLCH
linear-gradient(180deg, oklch(63.6% 0.209 25.4) 0%, oklch(21.8% 0.054 22.7) 100%)
Stops
0%
100%

Radial Glow

Radial
CSS
radial-gradient(circle, #F58A8A 0%, #D31212 100%)
OKLCH
radial-gradient(circle, oklch(74.9% 0.130 20.6) 0%, oklch(55.0% 0.218 28.5) 100%)
Stops
0%
100%

💡 About OKLCH Gradients

OKLCH (Oklch Color Space) provides perceptually uniform gradients with better color transitions than traditional RGB/HSL gradients. The format is oklch(L% C H) where L = Lightness (0-100%), C = Chroma (0-0.4), H = Hue (0-360°).

Generate Full Palette

Create a complete brand palette from this color with primary, secondary, accent, and neutral scales.

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