Luminance
0.135
Category
Blue
Type
Dark
Best On
Color Codes
All color formats for your project
HEX
#0A66C20A66C2RGB
rgb(10, 102, 194)R:10 G:102 B:194HSL
hsl(210, 90%, 40%)H:210° S:90% L:40%HSV / HSB
hsv(210, 95%, 76%)H:210° S:95% V:76%CMYK
cmyk(95%, 47%, 0%, 24%)C:95 M:47 Y:0 K:24LAB
lab(43, 12, -55)L:43 a:12 b:-55OKLCH
oklch(51.6% 0.163 254.7)L:51.6% C:0.163 H:254.7°Code Formats
color: #0A66C2;UIColor(red: 0.039, green: 0.400, blue: 0.761, alpha: 1.0)Color(0xFF0A66C2)Color(0xFF0A66C2)#FF0A66C2Contrast Analysis
WCAG compliance with grayscale colors
On White
5.69:1
On Black
3.69:1
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
AA100%
5.7
AABest Grayscale Contrast
#FFFFFF with ratio 5.69:1
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, #3D99F5 0%, #064079 100%)linear-gradient(90deg, oklch(67.2% 0.161 251.6) 0%, oklch(37.2% 0.112 253.6) 100%)Vibrant
135°linear-gradient(135deg, #007FFF 0%, #0066CC 100%)linear-gradient(135deg, oklch(61.3% 0.212 256.3) 0%, oklch(52.2% 0.177 255.8) 100%)Complementary
90°linear-gradient(90deg, #0A66C2 0%, #C2660A 100%)linear-gradient(90deg, oklch(51.6% 0.163 254.7) 0%, oklch(60.6% 0.146 55.6) 100%)Analogous
90°linear-gradient(90deg, #0AC2C2 0%, #0A66C2 50%, #0A0AC2 100%)linear-gradient(90deg, oklch(73.8% 0.125 194.8) 0%, oklch(51.6% 0.163 254.7) 50%, oklch(37.5% 0.250 265.3) 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, #0A66C2 0%, #0C1F31 100%)linear-gradient(180deg, oklch(51.6% 0.163 254.7) 0%, oklch(23.3% 0.043 249.0) 100%)Radial Glow
Radialradial-gradient(circle, #258CF4 0%, #084C91 100%)radial-gradient(circle, oklch(63.7% 0.180 253.2) 0%, oklch(41.9% 0.130 254.4) 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.