Luminance
0.246
Category
Red
Type
Dark
Best On
Color Codes
All color formats for your project
HEX
#FF3B30FF3B30RGB
rgb(255, 59, 48)R:255 G:59 B:48HSL
hsl(3, 100%, 59%)H:3° S:100% L:59%HSV / HSB
hsv(3, 81%, 100%)H:3° S:81% V:100%CMYK
cmyk(0%, 77%, 81%, 0%)C:0 M:77 Y:81 K:0LAB
lab(57, 72, 52)L:57 a:72 b:52OKLCH
oklch(65.4% 0.232 28.7)L:65.4% C:0.232 H:28.7°Code Formats
color: #FF3B30;UIColor(red: 1.000, green: 0.231, blue: 0.188, alpha: 1.0)Color(0xFFFF3B30)Color(0xFFFF3B30)#FFFF3B30Contrast Analysis
WCAG compliance with grayscale colors
On White
3.55:1
On Black
5.92:1
Grayscale Contrast
0%
5.9
AA10%
4.9
AA20%
3.6
AA-large30%
2.4
Fail40%
1.6
Fail50%
1.1
Fail60%
1.2
Fail70%
1.7
Fail80%
2.2
Fail90%
2.8
Fail100%
3.5
AA-largeBest Grayscale Contrast
#000000 with ratio 5.92:1
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, #FF9994 0%, #C70A00 100%)linear-gradient(90deg, oklch(78.7% 0.123 23.2) 0%, oklch(52.4% 0.211 29.8) 100%)Vibrant
135°linear-gradient(135deg, #FF6961 0%, #FA0C00 100%)linear-gradient(135deg, oklch(70.7% 0.185 25.9) 0%, oklch(62.1% 0.252 29.6) 100%)Complementary
90°linear-gradient(90deg, #FF3B30 0%, #2EF5FF 100%)linear-gradient(90deg, oklch(65.4% 0.232 28.7) 0%, oklch(88.5% 0.144 200.4) 100%)Analogous
90°linear-gradient(90deg, #FF2E8C 0%, #FF3B30 50%, #FFA12E 100%)linear-gradient(90deg, oklch(66.3% 0.246 0.4) 0%, oklch(65.4% 0.232 28.7) 50%, oklch(78.7% 0.162 65.4) 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, #FF382E 0%, #340B09 100%)linear-gradient(180deg, oklch(65.2% 0.234 28.6) 0%, oklch(22.3% 0.066 26.8) 100%)Radial Glow
Radialradial-gradient(circle, #FF817A 0%, #E00B00 100%)radial-gradient(circle, oklch(74.5% 0.155 24.8) 0%, oklch(57.2% 0.231 29.7) 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.