Luminance
0.137
Category
Red
Type
Dark
Best On
Color Codes
All color formats for your project
HEX
#C62828C62828RGB
rgb(198, 40, 40)R:198 G:40 B:40HSL
hsl(0, 66%, 47%)H:0° S:66% L:47%HSV / HSB
hsv(0, 80%, 78%)H:0° S:80% V:78%CMYK
cmyk(0%, 80%, 80%, 22%)C:0 M:80 Y:80 K:22LAB
lab(44, 60, 40)L:44 a:60 b:40OKLCH
oklch(53.9% 0.194 26.7)L:53.9% C:0.194 H:26.7°Code Formats
color: #C62828;UIColor(red: 0.776, green: 0.157, blue: 0.157, alpha: 1.0)Color(0xFFC62828)Color(0xFFC62828)#FFC62828Contrast Analysis
WCAG compliance with grayscale colors
On White
5.62:1
On Black
3.74:1
Grayscale Contrast
0%
3.7
AA-large10%
3.1
AA-large20%
2.2
Fail30%
1.5
Fail40%
1.0
Fail50%
1.4
Fail60%
2.0
Fail70%
2.7
Fail80%
3.5
AA-large90%
4.5
AA-large100%
5.6
AABest Grayscale Contrast
#FFFFFF with ratio 5.62:1
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, #E27373 0%, #721717 100%)linear-gradient(90deg, oklch(68.3% 0.138 21.4) 0%, oklch(36.4% 0.125 26.0) 100%)Vibrant
135°linear-gradient(135deg, #EA3939 0%, #C30909 100%)linear-gradient(135deg, oklch(61.7% 0.213 26.1) 0%, oklch(51.6% 0.208 28.8) 100%)Complementary
90°linear-gradient(90deg, #C62828 0%, #29C7C7 100%)linear-gradient(90deg, oklch(53.9% 0.194 26.7) 0%, oklch(75.5% 0.122 194.9) 100%)Analogous
90°linear-gradient(90deg, #C72978 0%, #C62828 50%, #C77829 100%)linear-gradient(90deg, oklch(55.9% 0.202 356.0) 0%, oklch(53.9% 0.194 26.7) 50%, oklch(64.5% 0.133 60.8) 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, #C72929 0%, #2A1414 100%)linear-gradient(180deg, oklch(54.1% 0.194 26.7) 0%, oklch(22.3% 0.036 20.4) 100%)Radial Glow
Radialradial-gradient(circle, #DE5E5E 0%, #871C1C 100%)radial-gradient(circle, oklch(64.4% 0.161 22.7) 0%, oklch(41.0% 0.142 26.2) 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
Create a complete brand palette from this color with primary, secondary, accent, and neutral scales.