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Pixeliro

#E03131

Crimson

#E03131Crimson

Luminance

0.183

Category

Red

Type

Dark

Best On

#FFFFFF

Color Codes

All color formats for your project

HEX

HEX
#E03131
No #
E03131

RGB

RGB
rgb(224, 49, 49)
Values
R:224 G:49 B:49

HSL

HSL
hsl(0, 74%, 54%)
Values
H:0° S:74% L:54%

HSV / HSB

HSV
hsv(0, 78%, 88%)
Values
H:0° S:78% V:88%

CMYK

CMYK
cmyk(0%, 78%, 78%, 12%)
Values
C:0 M:78 Y:78 K:12

LAB

LAB
lab(50, 66, 43)
Values
L:50 a:66 b:43

OKLCH

OKLCH
oklch(59.3% 0.211 26.5)
Values
L:59.3% C:0.211 H:26.5°

Code Formats

CSS
color: #E03131;
Swift
UIColor(red: 0.878, green: 0.192, blue: 0.192, alpha: 1.0)
Kotlin
Color(0xFFE03131)
Flutter
Color(0xFFE03131)
Android
#FFE03131

Contrast Analysis

WCAG compliance with grayscale colors

On White

4.51:1

AA

On Black

4.65:1

AA

Grayscale Contrast

Aa

0%

4.7

AA
Aa

10%

3.9

AA-large
Aa

20%

2.8

Fail
Aa

30%

1.9

Fail
Aa

40%

1.3

Fail
Aa

50%

1.1

Fail
Aa

60%

1.6

Fail
Aa

70%

2.2

Fail
Aa

80%

2.8

Fail
Aa

90%

3.6

AA-large
Aa

100%

4.5

AA

Best Grayscale Contrast

#000000 with ratio 4.65:1

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, #EE8C8C 0%, #971717 100%)
OKLCH
linear-gradient(90deg, oklch(74.4% 0.120 20.3) 0%, oklch(43.7% 0.162 27.3) 100%)
Stops
0%
100%

Vibrant

135°
CSS
linear-gradient(135deg, #F55151 0%, #DF0101 100%)
OKLCH
linear-gradient(135deg, oklch(66.1% 0.201 24.5) 0%, oklch(56.8% 0.233 29.2) 100%)
Stops
0%
100%

Complementary

90°
CSS
linear-gradient(90deg, #E03131 0%, #33E1E1 100%)
OKLCH
linear-gradient(90deg, oklch(59.3% 0.211 26.5) 0%, oklch(82.8% 0.133 194.9) 100%)
Stops
0%
100%

Analogous

90°
CSS
linear-gradient(90deg, #E1338A 0%, #E03131 50%, #E18A33 100%)
OKLCH
linear-gradient(90deg, oklch(61.6% 0.219 355.6) 0%, oklch(59.3% 0.211 26.5) 50%, oklch(71.1% 0.144 61.1) 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, #E13333 0%, #2C1111 100%)
OKLCH
linear-gradient(180deg, oklch(59.6% 0.210 26.4) 0%, oklch(21.9% 0.045 21.4) 100%)
Stops
0%
100%

Radial Glow

Radial
CSS
radial-gradient(circle, #EA7575 0%, #AD1A1A 100%)
OKLCH
radial-gradient(circle, oklch(69.8% 0.145 21.5) 0%, oklch(48.1% 0.181 27.5) 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.

View Palette