#2287B1#2287B1
#2287B1 is a mid, moderate cyan. Relative luminance 0.208; OKLCH L 58.7% C 0.108 H 231.4°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).
Color values
| HEX | #2287B1 |
|---|---|
| RGB | rgb(34, 135, 177) |
| HSL | hsl(198, 68%, 41%) |
| HSV | hsv(198, 81%, 69%) |
| CMYK | cmyk(80.8%, 23.7%, 0%, 30.6%) |
| CIE-LAB | lab(52.77, -13.32, -30.07) |
| CIE-LCH | lch(52.77, 32.88, 246.11°) |
| OKLab | oklab(58.7% -0.0676 -0.0847) |
| OKLCH | oklch(58.7% 0.108 231.4) |
| XYZ | xyz(17.2562, 20.8402, 44.6995) |
| Luminance | 0.2084 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 4.35
Cerulean
#007BA7
ΔE00 4.64
Nice Blue
#107AB0
ΔE00 5.90
Water Blue
#0E87CC
ΔE00 6.10
Steel Blue
#4682B4
ΔE00 6.17
Cool Blue
#4984B8
ΔE00 6.65
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2287B1 #B14C22
analogous
#22B194 #2287B1 #2240B1
triadic
#2287B1 #B12287 #87B122
tetradic
#2287B1 #9422B1 #B14C22 #40B122
square
#2287B1 #9422B1 #B14C22 #40B122
split-complementary
#2287B1 #B12240 #B19422
monochromatic
#0E394A #18607E #2287B1 #38A9D9 #6BBFE3
Accessibility & contrast
On white
4.06
#2287B1 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.17
#2287B1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2287B1
5.17:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2287B1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2287B1 | 1.00 | 4.06 | 5.17 | 5.17 |
| #FFFFFF | 4.06 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.17 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.17 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7285B3
Deuteranopia (green-blind)
#5F78B0
Tritanopia (blue-blind)
#009295
Achromatopsia (no color)
#7E7E7E
Design tokens & code
CSS
--color: #2287b1; /* rgb */ color: rgb(34, 135, 177); /* oklch */ color: oklch(58.7% 0.108 231.4);
Tailwind
colors: {
custom: {
50: '#75aac8',
500: '#2287b1',
950: '#000000',
},
}SCSS
$custom: #2287b1; $custom-light: #75aac8; $custom-dark: #000000;
JSON
{
"hex": "#2287b1",
"rgb": {
"r": 34,
"g": 135,
"b": 177
},
"hsl": {
"h": 197.622,
"s": 67.773,
"l": 41.373
},
"oklch": {
"l": 0.58701,
"c": 0.1084,
"h": 231.4
},
"luminance": 0.20842
}Semantic roles & 50–950 ramp
primary
#2287B1
secondary
#C98366
accent
#703DEB
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1013
muted
#7C7F82