Luminance
0.347
Category
Blue
Type
Dark
Best On
Color Codes
All color formats for your project
HEX
#42A5F542A5F5RGB
rgb(66, 165, 245)R:66 G:165 B:245HSL
hsl(207, 90%, 61%)H:207° S:90% L:61%HSV / HSB
hsv(207, 73%, 96%)H:207° S:73% V:96%CMYK
cmyk(73%, 33%, 0%, 4%)C:73 M:33 Y:0 K:4LAB
lab(65, -3, -48)L:65 a:-3 b:-48OKLCH
oklch(70.0% 0.149 246.7)L:70.0% C:0.149 H:246.7°Code Formats
color: #42A5F5;UIColor(red: 0.259, green: 0.647, blue: 0.961, alpha: 1.0)Color(0xFF42A5F5)Color(0xFF42A5F5)#FF42A5F5Contrast Analysis
WCAG compliance with grayscale colors
On White
2.65:1
On Black
7.93:1
Grayscale Contrast
0%
7.9
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 7.93:1
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, #A3D3FA 0%, #0A72C7 100%)linear-gradient(90deg, oklch(84.7% 0.074 243.3) 0%, oklch(54.6% 0.156 251.2) 100%)Vibrant
135°linear-gradient(135deg, #66BAFF 0%, #058FFF 100%)linear-gradient(135deg, oklch(76.4% 0.129 245.4) 0%, oklch(64.7% 0.194 252.3) 100%)Complementary
90°linear-gradient(90deg, #42A5F5 0%, #F59342 100%)linear-gradient(90deg, oklch(70.0% 0.149 246.7) 0%, oklch(75.2% 0.151 56.9) 100%)Analogous
90°linear-gradient(90deg, #42F5EC 0%, #42A5F5 50%, #424BF5 100%)linear-gradient(90deg, oklch(88.2% 0.139 189.8) 0%, oklch(70.0% 0.149 246.7) 50%, oklch(52.5% 0.247 271.9) 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, #3DA2F5 0%, #0C2031 100%)linear-gradient(180deg, oklch(69.2% 0.153 247.4) 0%, oklch(23.6% 0.042 246.4) 100%)Radial Glow
Radialradial-gradient(circle, #86C5F9 0%, #0C80DF 100%)radial-gradient(circle, oklch(80.0% 0.098 244.4) 0%, oklch(59.4% 0.170 251.3) 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.