#288B97#288B97
#288B97 is a mid, moderate teal. Relative luminance 0.212; OKLCH L 58.7% C 0.089 H 206.9°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).
Color values
| HEX | #288B97 |
|---|---|
| RGB | rgb(40, 139, 151) |
| HSL | hsl(186, 58%, 37%) |
| HSV | hsv(186, 74%, 59%) |
| CMYK | cmyk(73.5%, 7.9%, 0%, 40.8%) |
| CIE-LAB | lab(53.11, -23.61, -14.54) |
| CIE-LCH | lch(53.11, 27.73, 211.63°) |
| OKLab | oklab(58.67% -0.0796 -0.0404) |
| OKLCH | oklch(58.67% 0.089 206.9) |
| XYZ | xyz(15.6912, 21.1489, 32.5273) |
| Luminance | 0.2115 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Teal Blue
#01889F
ΔE00 4.05
Dark Cyan
#0A888A
ΔE00 4.98
Darkcyan
#008B8B
ΔE00 5.72
Greenish Blue
#0B8B87
ΔE00 7.19
Teal
#008080
ΔE00 7.21
Ocean
#017B92
ΔE00 7.32
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#288B97 #973428
analogous
#28976B #288B97 #285497
triadic
#288B97 #97288B #8B9728
tetradic
#288B97 #6B2897 #973428 #549728
square
#288B97 #6B2897 #973428 #549728
split-complementary
#288B97 #972854 #976B28
monochromatic
#0E3236 #1B5E67 #288B97 #35B8C7 #64C9D6
Accessibility & contrast
On white
4.02
#288B97 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.23
#288B97 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #288B97
5.23:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##288B97 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##288B97 | 1.00 | 4.02 | 5.23 | 5.23 |
| #FFFFFF | 4.02 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.23 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.23 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7F8598
Deuteranopia (green-blind)
#6F7A97
Tritanopia (blue-blind)
#00918F
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #288b97; /* rgb */ color: rgb(40, 139, 151); /* oklch */ color: oklch(58.7% 0.089 206.9);
Tailwind
colors: {
custom: {
50: '#74adb5',
500: '#288b97',
950: '#000000',
},
}SCSS
$custom: #288b97; $custom-light: #74adb5; $custom-dark: #000000;
JSON
{
"hex": "#288b97",
"rgb": {
"r": 40,
"g": 139,
"b": 151
},
"hsl": {
"h": 186.486,
"s": 58.115,
"l": 37.451
},
"oklch": {
"l": 0.58667,
"c": 0.08925,
"h": 206.9
},
"luminance": 0.21151
}Semantic roles & 50–950 ramp
primary
#288B97
secondary
#BC695F
accent
#5746E1
background
#F7FAFB
surface
#EEF4F6
border
#C9CED0
text
#091011
muted
#7B7F80