#288C91#288C91
#288C91 is a mid, moderate teal. Relative luminance 0.213; OKLCH L 58.7% C 0.089 H 200.0°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).
Color values
| HEX | #288C91 |
|---|---|
| RGB | rgb(40, 140, 145) |
| HSL | hsl(183, 57%, 36%) |
| HSV | hsv(183, 72%, 57%) |
| CMYK | cmyk(72.4%, 3.4%, 0%, 43.1%) |
| CIE-LAB | lab(53.22, -26.01, -10.90) |
| CIE-LCH | lch(53.22, 28.21, 202.74°) |
| OKLab | oklab(58.69% -0.0833 -0.0303) |
| OKLCH | oklch(58.69% 0.089 200) |
| XYZ | xyz(15.3617, 21.2498, 30.0746) |
| Luminance | 0.2125 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Dark Cyan
#0A888A
ΔE00 2.63
Darkcyan
#008B8B
ΔE00 2.98
Greenish Blue
#0B8B87
ΔE00 4.31
Teal
#008080
ΔE00 5.50
Sea
#3C9992
ΔE00 6.53
Teal Blue
#01889F
ΔE00 6.91
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#288C91 #912D28
analogous
#289162 #288C91 #285891
triadic
#288C91 #91288C #8C9128
tetradic
#288C91 #622891 #912D28 #589128
square
#288C91 #622891 #912D28 #589128
split-complementary
#288C91 #912858 #916228
monochromatic
#0E2F31 #1B5E61 #288C91 #35BAC1 #60CED3
Accessibility & contrast
On white
4.00
#288C91 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.25
#288C91 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #288C91
5.25:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##288C91 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##288C91 | 1.00 | 4.00 | 5.25 | 5.25 |
| #FFFFFF | 4.00 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.25 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.25 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#818691
Deuteranopia (green-blind)
#727A92
Tritanopia (blue-blind)
#00918D
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #288c91; /* rgb */ color: rgb(40, 140, 145); /* oklch */ color: oklch(58.7% 0.089 200.0);
Tailwind
colors: {
custom: {
50: '#73aeb1',
500: '#288c91',
950: '#000000',
},
}SCSS
$custom: #288c91; $custom-light: #73aeb1; $custom-dark: #000000;
JSON
{
"hex": "#288c91",
"rgb": {
"r": 40,
"g": 140,
"b": 145
},
"hsl": {
"h": 182.857,
"s": 56.757,
"l": 36.275
},
"oklch": {
"l": 0.58688,
"c": 0.08862,
"h": 200
},
"luminance": 0.21252
}Semantic roles & 50–950 ramp
primary
#288C91
secondary
#B9605C
accent
#4F48E0
background
#F7FAFA
surface
#EDF4F5
border
#C8CECF
text
#091010
muted
#7B7F7F