#2E81B3#2E81B3
#2E81B3 is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.6% C 0.110 H 239.5°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).
Color values
| HEX | #2E81B3 |
|---|---|
| RGB | rgb(46, 129, 179) |
| HSL | hsl(203, 59%, 44%) |
| HSV | hsv(203, 74%, 70%) |
| CMYK | cmyk(74.3%, 27.9%, 0%, 29.8%) |
| CIE-LAB | lab(51.31, -7.79, -33.49) |
| CIE-LCH | lch(51.31, 34.38, 256.90°) |
| OKLab | oklab(57.64% -0.0557 -0.0946) |
| OKLCH | oklch(57.64% 0.11 239.5) |
| XYZ | xyz(17.1105, 19.5341, 45.5078) |
| Luminance | 0.1954 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Nice Blue
#107AB0
ΔE00 2.97
Steel Blue
#4682B4
ΔE00 3.07
Water Blue
#0E87CC
ΔE00 3.65
Cool Blue
#4984B8
ΔE00 3.80
Cerulean (survey)
#0485D1
ΔE00 4.10
Cerulean
#007BA7
ΔE00 4.28
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2E81B3 #B3602E
analogous
#2EB3A3 #2E81B3 #2E3FB3
triadic
#2E81B3 #B32E81 #81B32E
tetradic
#2E81B3 #A32EB3 #B3602E #3FB32E
square
#2E81B3 #A32EB3 #B3602E #3FB32E
split-complementary
#2E81B3 #B32E3F #B3A32E
monochromatic
#153B52 #215E82 #2E81B3 #4DA0D1 #7EBADE
Accessibility & contrast
On white
4.28
#2E81B3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.91
#2E81B3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2E81B3
4.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2E81B3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2E81B3 | 1.00 | 4.28 | 4.91 | 4.91 |
| #FFFFFF | 4.28 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.91 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.91 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6A81B5
Deuteranopia (green-blind)
#5775B2
Tritanopia (blue-blind)
#008E92
Achromatopsia (no color)
#7A7A7A
Design tokens & code
CSS
--color: #2e81b3; /* rgb */ color: rgb(46, 129, 179); /* oklch */ color: oklch(57.6% 0.110 239.5);
Tailwind
colors: {
custom: {
50: '#79a5ca',
500: '#2e81b3',
950: '#000000',
},
}SCSS
$custom: #2e81b3; $custom-light: #79a5ca; $custom-dark: #000000;
JSON
{
"hex": "#2e81b3",
"rgb": {
"r": 46,
"g": 129,
"b": 179
},
"hsl": {
"h": 202.556,
"s": 59.111,
"l": 44.118
},
"oklch": {
"l": 0.5764,
"c": 0.10978,
"h": 239.5
},
"luminance": 0.19536
}Semantic roles & 50–950 ramp
primary
#2E81B3
secondary
#C69476
accent
#8046E2
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A0F13
muted
#7C7F82