Luminance
0.051
Category
Gray
Type
Dark
Best On
Color Codes
All color formats for your project
HEX
#3F3F463F3F46RGB
rgb(63, 63, 70)R:63 G:63 B:70HSL
hsl(240, 5%, 26%)H:240° S:5% L:26%HSV / HSB
hsv(240, 10%, 27%)H:240° S:10% V:27%CMYK
cmyk(10%, 10%, 0%, 73%)C:10 M:10 Y:0 K:73LAB
lab(27, 2, -4)L:27 a:2 b:-4OKLCH
oklch(37.0% 0.012 285.8)L:37.0% C:0.012 H:285.8°Code Formats
color: #3F3F46;UIColor(red: 0.247, green: 0.247, blue: 0.275, alpha: 1.0)Color(0xFF3F3F46)Color(0xFF3F3F46)#FF3F3F46Contrast Analysis
WCAG compliance with grayscale colors
On White
10.44:1
On Black
2.01:1
Grayscale Contrast
0%
2.0
Fail10%
1.7
Fail20%
1.2
Fail30%
1.2
Fail40%
1.8
Fail50%
2.6
Fail60%
3.7
AA-large70%
5.0
AA80%
6.5
AA90%
8.3
AAA100%
10.4
AAABest Grayscale Contrast
#FFFFFF with ratio 10.44:1
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, #6F6F7B 0%, #3D3D43 100%)linear-gradient(90deg, oklch(54.6% 0.018 285.8) 0%, oklch(36.2% 0.010 285.9) 100%)Vibrant
135°linear-gradient(135deg, #49496E 0%, #474785 100%)linear-gradient(135deg, oklch(42.2% 0.061 283.5) 0%, oklch(42.9% 0.101 281.3) 100%)Complementary
90°linear-gradient(90deg, #3F3F46 0%, #46463F 100%)linear-gradient(90deg, oklch(37.0% 0.012 285.8) 0%, oklch(39.2% 0.012 106.9) 100%)Analogous
90°linear-gradient(90deg, #3F4246 0%, #3F3F46 50%, #423F46 100%)linear-gradient(90deg, oklch(37.8% 0.008 255.5) 0%, oklch(37.0% 0.012 285.8) 50%, oklch(37.3% 0.012 305.1) 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, #3F3F46 0%, #181825 100%)linear-gradient(180deg, oklch(37.0% 0.012 285.8) 0%, oklch(21.6% 0.025 284.1) 100%)Radial Glow
Radialradial-gradient(circle, #63636E 0%, #494950 100%)radial-gradient(circle, oklch(50.4% 0.017 285.8) 0%, oklch(40.8% 0.012 285.9) 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.