#21909C#21909C
#21909C is a mid, moderate teal. Relative luminance 0.227; OKLCH L 60.0% C 0.095 H 206.1°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).
Color values
| HEX | #21909C |
|---|---|
| RGB | rgb(33, 144, 156) |
| HSL | hsl(186, 65%, 37%) |
| HSV | hsv(186, 79%, 61%) |
| CMYK | cmyk(78.8%, 7.7%, 0%, 38.8%) |
| CIE-LAB | lab(54.73, -25.39, -14.99) |
| CIE-LCH | lch(54.73, 29.48, 210.56°) |
| OKLab | oklab(59.99% -0.0852 -0.0417) |
| OKLCH | oklch(59.99% 0.095 206.1) |
| XYZ | xyz(16.5985, 22.6681, 34.9466) |
| Luminance | 0.2267 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Teal Blue
#01889F
ΔE00 4.96
Dark Cyan
#0A888A
ΔE00 5.38
Darkcyan
#008B8B
ΔE00 5.72
Greenish Blue
#0B8B87
ΔE00 7.17
Cadetblue
#5F9EA0
ΔE00 7.66
Sea
#3C9992
ΔE00 8.11
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21909C #9C2D21
analogous
#219C6B #21909C #21529C
triadic
#21909C #9C2190 #909C21
tetradic
#21909C #6B219C #9C2D21 #529C21
square
#21909C #6B219C #9C2D21 #529C21
split-complementary
#21909C #9C2152 #9C6B21
monochromatic
#0C3337 #166169 #21909C #2CBFCF #5BD0DC
Accessibility & contrast
On white
3.79
#21909C on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.53
#21909C on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #21909C
5.53:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21909C | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##21909C | 1.00 | 3.79 | 5.53 | 5.53 |
| #FFFFFF | 3.79 | 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)
#838A9D
Deuteranopia (green-blind)
#727E9C
Tritanopia (blue-blind)
#009793
Achromatopsia (no color)
#838383
Design tokens & code
CSS
--color: #21909c; /* rgb */ color: rgb(33, 144, 156); /* oklch */ color: oklch(60.0% 0.095 206.1);
Tailwind
colors: {
custom: {
50: '#73b1b9',
500: '#21909c',
950: '#000000',
},
}SCSS
$custom: #21909c; $custom-light: #73b1b9; $custom-dark: #000000;
JSON
{
"hex": "#21909c",
"rgb": {
"r": 33,
"g": 144,
"b": 156
},
"hsl": {
"h": 185.854,
"s": 65.079,
"l": 37.059
},
"oklch": {
"l": 0.59994,
"c": 0.09489,
"h": 206.1
},
"luminance": 0.2267
}Semantic roles & 50–950 ramp
primary
#21909C
secondary
#C16258
accent
#5040E8
background
#F7FAFB
surface
#EEF5F6
border
#C9CFD0
text
#091011
muted
#7B7F80