#2281BD#2281BD
#2281BD is a mid, vivid cyan. Relative luminance 0.197; OKLCH L 57.9% C 0.125 H 242.3°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).
Color values
| HEX | #2281BD |
|---|---|
| RGB | rgb(34, 129, 189) |
| HSL | hsl(203, 70%, 44%) |
| HSV | hsv(203, 82%, 74%) |
| CMYK | cmyk(82%, 31.7%, 0%, 25.9%) |
| CIE-LAB | lab(51.51, -5.51, -38.93) |
| CIE-LCH | lch(51.51, 39.32, 261.94°) |
| OKLab | oklab(57.88% -0.0581 -0.1105) |
| OKLCH | oklch(57.88% 0.125 242.3) |
| XYZ | xyz(17.6916, 19.7125, 51.0067) |
| Luminance | 0.1971 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 2.54
Cerulean (survey)
#0485D1
ΔE00 2.62
Steel Blue
#4682B4
ΔE00 3.03
Nice Blue
#107AB0
ΔE00 3.29
Cool Blue
#4984B8
ΔE00 3.58
Bluish
#2976BB
ΔE00 4.85
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2281BD #BD5E22
analogous
#22BDAB #2281BD #2233BD
triadic
#2281BD #BD2281 #81BD22
tetradic
#2281BD #AB22BD #BD5E22 #33BD22
square
#2281BD #AB22BD #BD5E22 #33BD22
split-complementary
#2281BD #BD2233 #BDAB22
monochromatic
#0F3A55 #195E89 #2281BD #40A0DD #73BAE6
Accessibility & contrast
On white
4.25
#2281BD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.94
#2281BD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2281BD
4.94:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2281BD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2281BD | 1.00 | 4.25 | 4.94 | 4.94 |
| #FFFFFF | 4.25 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.94 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.94 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6582C0
Deuteranopia (green-blind)
#4F74BC
Tritanopia (blue-blind)
#009096
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #2281bd; /* rgb */ color: rgb(34, 129, 189); /* oklch */ color: oklch(57.9% 0.125 242.3);
Tailwind
colors: {
custom: {
50: '#77a5d1',
500: '#2281bd',
950: '#000000',
},
}SCSS
$custom: #2281bd; $custom-light: #77a5d1; $custom-dark: #000000;
JSON
{
"hex": "#2281bd",
"rgb": {
"r": 34,
"g": 129,
"b": 189
},
"hsl": {
"h": 203.226,
"s": 69.507,
"l": 43.725
},
"oklch": {
"l": 0.57881,
"c": 0.12486,
"h": 242.3
},
"luminance": 0.19715
}Semantic roles & 50–950 ramp
primary
#2281BD
secondary
#CD936E
accent
#803BEC
background
#F7FAFC
surface
#EEF4F9
border
#C9CED2
text
#0A0F14
muted
#7C7F82