Luminance
0.156
Category
Red
Type
Dark
Best On
Color Codes
All color formats for your project
HEX
#DD0031DD0031RGB
rgb(221, 0, 49)R:221 G:0 B:49HSL
hsl(347, 100%, 43%)H:347° S:100% L:43%HSV / HSB
hsv(347, 100%, 87%)H:347° S:100% V:87%CMYK
cmyk(0%, 100%, 78%, 13%)C:0 M:100 Y:78 K:13LAB
lab(46, 73, 39)L:46 a:73 b:39OKLCH
oklch(56.7% 0.228 22.2)L:56.7% C:0.228 H:22.2°Code Formats
color: #DD0031;UIColor(red: 0.867, green: 0.000, blue: 0.192, alpha: 1.0)Color(0xFFDD0031)Color(0xFFDD0031)#FFDD0031Contrast Analysis
WCAG compliance with grayscale colors
On White
5.10:1
On Black
4.12:1
Grayscale Contrast
0%
4.1
AA-large10%
3.4
AA-large20%
2.5
Fail30%
1.7
Fail40%
1.1
Fail50%
1.3
Fail60%
1.8
Fail70%
2.4
Fail80%
3.2
AA-large90%
4.0
AA-large100%
5.1
AABest Grayscale Contrast
#FFFFFF with ratio 5.10:1
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, #FF426B 0%, #80001C 100%)linear-gradient(90deg, oklch(66.8% 0.223 13.6) 0%, oklch(37.9% 0.152 20.5) 100%)Vibrant
135°linear-gradient(135deg, #FF0F43 0%, #CC002C 100%)linear-gradient(135deg, oklch(63.5% 0.251 20.6) 0%, oklch(53.4% 0.215 22.3) 100%)Complementary
90°linear-gradient(90deg, #DD0031 0%, #00DBAC 100%)linear-gradient(90deg, oklch(56.7% 0.228 22.2) 0%, oklch(79.3% 0.157 170.0) 100%)Analogous
90°linear-gradient(90deg, #DB009D 0%, #DD0031 50%, #DB3E00 100%)linear-gradient(90deg, oklch(59.3% 0.251 345.9) 0%, oklch(56.7% 0.228 22.2) 50%, oklch(59.2% 0.201 36.3) 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, #DB0030 0%, #340912 100%)linear-gradient(180deg, oklch(56.3% 0.227 22.3) 0%, oklch(22.2% 0.069 12.5) 100%)Radial Glow
Radialradial-gradient(circle, #FF2957 0%, #990021 100%)radial-gradient(circle, oklch(64.8% 0.241 16.9) 0%, oklch(43.2% 0.174 21.4) 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.