Luminance
0.349
Category
Blue
Type
Dark
Best On
Color Codes
All color formats for your project
HEX
#03A9F403A9F4RGB
rgb(3, 169, 244)R:3 G:169 B:244HSL
hsl(199, 98%, 48%)H:199° S:98% L:48%HSV / HSB
hsv(199, 99%, 96%)H:199° S:99% V:96%CMYK
cmyk(99%, 31%, 0%, 4%)C:99 M:31 Y:0 K:4LAB
lab(66, -10, -47)L:66 a:-10 b:-47OKLCH
oklch(69.9% 0.157 239.0)L:69.9% C:0.157 H:239.0°Code Formats
color: #03A9F4;UIColor(red: 0.012, green: 0.663, blue: 0.957, alpha: 1.0)Color(0xFF03A9F4)Color(0xFF03A9F4)#FF03A9F4Contrast Analysis
WCAG compliance with grayscale colors
On White
2.63:1
On Black
7.99:1
Grayscale Contrast
0%
8.0
AAA10%
6.6
AA20%
4.8
AA30%
3.2
AA-large40%
2.2
Fail50%
1.5
Fail60%
1.1
Fail70%
1.3
Fail80%
1.6
Fail90%
2.1
Fail100%
2.6
FailBest Grayscale Contrast
#000000 with ratio 7.99:1
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, #5DCBFD 0%, #01618D 100%)linear-gradient(90deg, oklch(79.8% 0.122 230.7) 0%, oklch(46.8% 0.104 238.1) 100%)Vibrant
135°linear-gradient(135deg, #29BBFF 0%, #008BCC 100%)linear-gradient(135deg, oklch(75.0% 0.150 235.5) 0%, oklch(60.7% 0.139 239.9) 100%)Complementary
90°linear-gradient(90deg, #03A9F4 0%, #F24E02 100%)linear-gradient(90deg, oklch(69.9% 0.157 239.0) 0%, oklch(64.7% 0.211 38.1) 100%)Analogous
90°linear-gradient(90deg, #02F2C6 0%, #03A9F4 50%, #022EF2 100%)linear-gradient(90deg, oklch(85.7% 0.164 173.1) 0%, oklch(69.9% 0.157 239.0) 50%, oklch(46.4% 0.281 264.3) 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, #02A6F2 0%, #0A2633 100%)linear-gradient(180deg, oklch(69.1% 0.157 239.8) 0%, oklch(25.4% 0.041 231.8) 100%)Radial Glow
Radialradial-gradient(circle, #44C3FD 0%, #0272A7 100%)radial-gradient(circle, oklch(77.2% 0.136 232.5) 0%, oklch(52.6% 0.118 239.3) 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.