#2C81B3#2C81B3
#2C81B3 is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.6% C 0.111 H 239.1°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).
Color values
| HEX | #2C81B3 |
|---|---|
| RGB | rgb(44, 129, 179) |
| HSL | hsl(202, 61%, 44%) |
| HSV | hsv(202, 75%, 70%) |
| CMYK | cmyk(75.4%, 27.9%, 0%, 29.8%) |
| CIE-LAB | lab(51.25, -8.05, -33.57) |
| CIE-LCH | lch(51.25, 34.53, 256.51°) |
| OKLab | oklab(57.58% -0.0568 -0.0948) |
| OKLCH | oklch(57.58% 0.111 239.1) |
| XYZ | xyz(17.0224, 19.4887, 45.5036) |
| Luminance | 0.1949 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Nice Blue
#107AB0
ΔE00 2.90
Steel Blue
#4682B4
ΔE00 3.26
Water Blue
#0E87CC
ΔE00 3.71
Cool Blue
#4984B8
ΔE00 3.99
Cerulean
#007BA7
ΔE00 4.13
Cerulean (survey)
#0485D1
ΔE00 4.20
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2C81B3 #B35E2C
analogous
#2CB3A1 #2C81B3 #2C3DB3
triadic
#2C81B3 #B32C81 #81B32C
tetradic
#2C81B3 #A12CB3 #B35E2C #3DB32C
square
#2C81B3 #A12CB3 #B35E2C #3DB32C
split-complementary
#2C81B3 #B32C3D #B3A12C
monochromatic
#143A51 #205E82 #2C81B3 #4AA0D2 #7BBADF
Accessibility & contrast
On white
4.29
#2C81B3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.90
#2C81B3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2C81B3
4.90:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2C81B3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2C81B3 | 1.00 | 4.29 | 4.90 | 4.90 |
| #FFFFFF | 4.29 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.90 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.90 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6981B5
Deuteranopia (green-blind)
#5774B2
Tritanopia (blue-blind)
#008E92
Achromatopsia (no color)
#7A7A7A
Design tokens & code
CSS
--color: #2c81b3; /* rgb */ color: rgb(44, 129, 179); /* oklch */ color: oklch(57.6% 0.111 239.1);
Tailwind
colors: {
custom: {
50: '#78a5ca',
500: '#2c81b3',
950: '#000000',
},
}SCSS
$custom: #2c81b3; $custom-light: #78a5ca; $custom-dark: #000000;
JSON
{
"hex": "#2c81b3",
"rgb": {
"r": 44,
"g": 129,
"b": 179
},
"hsl": {
"h": 202.222,
"s": 60.538,
"l": 43.725
},
"oklch": {
"l": 0.57584,
"c": 0.11054,
"h": 239.1
},
"luminance": 0.19491
}Semantic roles & 50–950 ramp
primary
#2C81B3
secondary
#C79374
accent
#7F44E4
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A0F13
muted
#7C7F82