#2D81C4#2D81C4
#2D81C4 is a mid, vivid cyan. Relative luminance 0.202; OKLCH L 58.5% C 0.130 H 246.8°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).
Color values
| HEX | #2D81C4 |
|---|---|
| RGB | rgb(45, 129, 196) |
| HSL | hsl(207, 63%, 47%) |
| HSV | hsv(207, 77%, 77%) |
| CMYK | cmyk(77%, 34.2%, 0%, 23.1%) |
| CIE-LAB | lab(52.11, -1.77, -41.97) |
| CIE-LCH | lch(52.11, 42.01, 267.58°) |
| OKLab | oklab(58.54% -0.051 -0.1193) |
| OKLCH | oklch(58.54% 0.13 246.8) |
| XYZ | xyz(18.8924, 20.2417, 55.1252) |
| Luminance | 0.2024 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cerulean (survey)
#0485D1
ΔE00 2.17
Steel Blue
#4682B4
ΔE00 2.43
Cool Blue
#4984B8
ΔE00 2.61
Water Blue
#0E87CC
ΔE00 2.92
Windows Blue
#3778BF
ΔE00 4.01
Bluish
#2976BB
ΔE00 4.19
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2D81C4 #C4702D
analogous
#2DC4BC #2D81C4 #2D35C4
triadic
#2D81C4 #C42D81 #81C42D
tetradic
#2D81C4 #BC2DC4 #C4702D #35C42D
square
#2D81C4 #BC2DC4 #C4702D #35C42D
split-complementary
#2D81C4 #C42D35 #C4BC2D
monochromatic
#163F60 #226092 #2D81C4 #569ED8 #88BBE4
Accessibility & contrast
On white
4.16
#2D81C4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.05
#2D81C4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2D81C4
5.05:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2D81C4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2D81C4 | 1.00 | 4.16 | 5.05 | 5.05 |
| #FFFFFF | 4.16 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.05 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.05 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6284C7
Deuteranopia (green-blind)
#4C76C3
Tritanopia (blue-blind)
#009199
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #2d81c4; /* rgb */ color: rgb(45, 129, 196); /* oklch */ color: oklch(58.5% 0.130 246.8);
Tailwind
colors: {
custom: {
50: '#7ca5d6',
500: '#2d81c4',
950: '#000000',
},
}SCSS
$custom: #2d81c4; $custom-light: #7ca5d6; $custom-dark: #000000;
JSON
{
"hex": "#2d81c4",
"rgb": {
"r": 45,
"g": 129,
"b": 196
},
"hsl": {
"h": 206.623,
"s": 62.656,
"l": 47.255
},
"oklch": {
"l": 0.58539,
"c": 0.12977,
"h": 246.8
},
"luminance": 0.20244
}Semantic roles & 50–950 ramp
primary
#2D81C4
secondary
#CDA280
accent
#8B42E6
background
#F8FAFD
surface
#EFF4FA
border
#CACED3
text
#0B0F14
muted
#7C7F83