Pixeliro Logo
Pixeliro
ColorsPalettesDownload for iOS

#FF0000

Red

#FF0000Red

Luminance

0.213

Category

Red

Type

Dark

Best On

#FFFFFF

Color Codes

All color formats for your project

HEX

HEX
#FF0000
No #
FF0000

RGB

RGB
rgb(255, 0, 0)
Values
R:255 G:0 B:0

HSL

HSL
hsl(0, 100%, 50%)
Values
H:0° S:100% L:50%

HSV / HSB

HSV
hsv(0, 100%, 100%)
Values
H:0° S:100% V:100%

CMYK

CMYK
cmyk(0%, 100%, 100%, 0%)
Values
C:0 M:100 Y:100 K:0

LAB

LAB
lab(53, 80, 67)
Values
L:53 a:80 b:67

OKLCH

OKLCH
oklch(62.8% 0.258 29.2)
Values
L:62.8% C:0.258 H:29.2°

Code Formats

CSS
color: #FF0000;
Swift
UIColor(red: 1.000, green: 0.000, blue: 0.000, alpha: 1.0)
Kotlin
Color(0xFFFF0000)
Flutter
Color(0xFFFF0000)
Android
#FFFF0000

Contrast Analysis

WCAG compliance with grayscale colors

On White

4.00:1

AA-large

On Black

5.25:1

AA

Grayscale Contrast

Aa

0%

5.3

AA
Aa

10%

4.4

AA-large
Aa

20%

3.2

AA-large
Aa

30%

2.1

Fail
Aa

40%

1.4

Fail
Aa

50%

1.0

Fail
Aa

60%

1.4

Fail
Aa

70%

1.9

Fail
Aa

80%

2.5

Fail
Aa

90%

3.2

AA-large
Aa

100%

4.0

AA-large

Best Grayscale Contrast

#000000 with ratio 5.25:1

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, #FF6666 0%, #990000 100%)
OKLCH
linear-gradient(90deg, oklch(70.4% 0.187 23.2) 0%, oklch(42.9% 0.176 29.2) 100%)
Stops
0%
100%

Vibrant

135°
CSS
linear-gradient(135deg, #FF3333 0%, #CC0000 100%)
OKLCH
linear-gradient(135deg, oklch(64.9% 0.237 27.0) 0%, oklch(53.1% 0.218 29.2) 100%)
Stops
0%
100%

Complementary

90°
CSS
linear-gradient(90deg, #FF0000 0%, #00FFFF 100%)
OKLCH
linear-gradient(90deg, oklch(62.8% 0.258 29.2) 0%, oklch(90.5% 0.155 194.8) 100%)
Stops
0%
100%

Analogous

90°
CSS
linear-gradient(90deg, #FF0080 0%, #FF0000 50%, #FF8000 100%)
OKLCH
linear-gradient(90deg, oklch(64.5% 0.260 2.5) 0%, oklch(62.8% 0.258 29.2) 50%, oklch(73.2% 0.186 53.0) 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, #FF0000 0%, #340909 100%)
OKLCH
linear-gradient(180deg, oklch(62.8% 0.258 29.2) 0%, oklch(22.0% 0.069 24.8) 100%)
Stops
0%
100%

Radial Glow

Radial
CSS
radial-gradient(circle, #FF4D4D 0%, #B30000 100%)
OKLCH
radial-gradient(circle, oklch(67.3% 0.215 25.0) 0%, oklch(48.1% 0.198 29.2) 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