Luminance
0.046
Category
Red
Type
Dark
Best On
Color Codes
All color formats for your project
HEX
#800000800000RGB
rgb(128, 0, 0)R:128 G:0 B:0HSL
hsl(0, 100%, 25%)H:0° S:100% L:25%HSV / HSB
hsv(0, 100%, 50%)H:0° S:100% V:50%CMYK
cmyk(0%, 100%, 100%, 50%)C:0 M:100 Y:100 K:50LAB
lab(26, 48, 38)L:26 a:48 b:38OKLCH
oklch(37.7% 0.155 29.2)L:37.7% C:0.155 H:29.2°Code Formats
color: #800000;UIColor(red: 0.502, green: 0.000, blue: 0.000, alpha: 1.0)Color(0xFF800000)Color(0xFF800000)#FF800000Contrast Analysis
WCAG compliance with grayscale colors
On White
10.95:1
On Black
1.92:1
Grayscale Contrast
0%
1.9
Fail10%
1.6
Fail20%
1.2
Fail30%
1.3
Fail40%
1.9
Fail50%
2.7
Fail60%
3.8
AA-large70%
5.2
AA80%
6.8
AA90%
8.7
AAA100%
10.9
AAABest Grayscale Contrast
#FFFFFF with ratio 10.95:1
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°linear-gradient(90deg, #E60000 0%, #800000 100%)linear-gradient(90deg, oklch(58.1% 0.238 29.2) 0%, oklch(37.7% 0.155 29.2) 100%)Vibrant
135°linear-gradient(135deg, #B30000 0%, #CC0000 100%)linear-gradient(135deg, oklch(48.1% 0.198 29.2) 0%, oklch(53.1% 0.218 29.2) 100%)Complementary
90°linear-gradient(90deg, #800000 0%, #007F80 100%)linear-gradient(90deg, oklch(37.7% 0.155 29.2) 0%, oklch(54.0% 0.092 195.7) 100%)Analogous
90°linear-gradient(90deg, #800040 0%, #800000 50%, #804000 100%)linear-gradient(90deg, oklch(38.8% 0.157 0.7) 0%, oklch(37.7% 0.155 29.2) 50%, oklch(44.4% 0.109 55.5) 100%)Sunset
90°linear-gradient(90deg, #F6CE55 0%, #EE6C2B 50%, #E6193C 100%)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%)Ocean
135°linear-gradient(135deg, #19A1E6 0%, #22C3B6 50%, #47D1A3 100%)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%)Dark Mode
180°linear-gradient(180deg, #800000 0%, #340909 100%)linear-gradient(180deg, oklch(37.7% 0.155 29.2) 0%, oklch(22.0% 0.069 24.8) 100%)Radial Glow
Radialradial-gradient(circle, #CC0000 0%, #990000 100%)radial-gradient(circle, oklch(53.1% 0.218 29.2) 0%, oklch(42.9% 0.176 29.2) 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
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