#21909B#21909B
#21909B is a mid, moderate teal. Relative luminance 0.226; OKLCH L 60.0% C 0.095 H 205.2°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).
Color values
| HEX | #21909B |
|---|---|
| RGB | rgb(33, 144, 155) |
| HSL | hsl(185, 65%, 37%) |
| HSV | hsv(185, 79%, 61%) |
| CMYK | cmyk(78.7%, 7.1%, 0%, 39.2%) |
| CIE-LAB | lab(54.69, -25.71, -14.47) |
| CIE-LCH | lch(54.69, 29.50, 209.36°) |
| OKLab | oklab(59.95% -0.0857 -0.0402) |
| OKLCH | oklch(59.95% 0.095 205.2) |
| XYZ | xyz(16.5142, 22.6344, 34.5025) |
| Luminance | 0.2264 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Dark Cyan
#0A888A
ΔE00 5.05
Teal Blue
#01889F
ΔE00 5.28
Darkcyan
#008B8B
ΔE00 5.34
Greenish Blue
#0B8B87
ΔE00 6.78
Cadetblue
#5F9EA0
ΔE00 7.57
Sea
#3C9992
ΔE00 7.75
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21909B #9B2C21
analogous
#219B69 #21909B #21539B
triadic
#21909B #9B2190 #909B21
tetradic
#21909B #69219B #9B2C21 #539B21
square
#21909B #69219B #9B2C21 #539B21
split-complementary
#21909B #9B2153 #9B6921
monochromatic
#0C3236 #166169 #21909B #2CBFCD #5AD0DC
Accessibility & contrast
On white
3.80
#21909B on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.53
#21909B on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #21909B
5.53:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21909B | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##21909B | 1.00 | 3.80 | 5.53 | 5.53 |
| #FFFFFF | 3.80 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.53 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.53 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#838A9C
Deuteranopia (green-blind)
#737E9B
Tritanopia (blue-blind)
#009693
Achromatopsia (no color)
#838383
Design tokens & code
CSS
--color: #21909b; /* rgb */ color: rgb(33, 144, 155); /* oklch */ color: oklch(60.0% 0.095 205.2);
Tailwind
colors: {
custom: {
50: '#73b1b8',
500: '#21909b',
950: '#000000',
},
}SCSS
$custom: #21909b; $custom-light: #73b1b8; $custom-dark: #000000;
JSON
{
"hex": "#21909b",
"rgb": {
"r": 33,
"g": 144,
"b": 155
},
"hsl": {
"h": 185.41,
"s": 64.894,
"l": 36.863
},
"oklch": {
"l": 0.59954,
"c": 0.09465,
"h": 205.2
},
"luminance": 0.22636
}Semantic roles & 50–950 ramp
primary
#21909B
secondary
#C06158
accent
#4F40E8
background
#F7FAFB
surface
#EEF5F6
border
#C9CFD0
text
#091011
muted
#7B7F80