#21879B#21879B
#21879B is a mid, moderate teal. Relative luminance 0.200; OKLCH L 57.7% C 0.093 H 214.4°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).
Color values
| HEX | #21879B |
|---|---|
| RGB | rgb(33, 135, 155) |
| HSL | hsl(190, 65%, 37%) |
| HSV | hsv(190, 79%, 61%) |
| CMYK | cmyk(78.7%, 12.9%, 0%, 39.2%) |
| CIE-LAB | lab(51.86, -21.05, -18.78) |
| CIE-LCH | lch(51.86, 28.21, 221.74°) |
| OKLab | oklab(57.66% -0.0766 -0.0524) |
| OKLCH | oklch(57.66% 0.093 214.4) |
| XYZ | xyz(15.2050, 20.0160, 34.0661) |
| Luminance | 0.2002 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Teal Blue
#01889F
ΔE00 1.13
Ocean
#017B92
ΔE00 4.72
Dirty Blue
#3F829D
ΔE00 5.37
Dark Cyan
#0A888A
ΔE00 7.83
Deep Aqua
#08787F
ΔE00 8.07
Sea Blue
#047495
ΔE00 8.63
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21879B #9B3521
analogous
#219B72 #21879B #214A9B
triadic
#21879B #9B2187 #879B21
tetradic
#21879B #72219B #9B3521 #4A9B21
square
#21879B #72219B #9B3521 #4A9B21
split-complementary
#21879B #9B214A #9B7221
monochromatic
#0C2F36 #165B69 #21879B #2CB3CD #5AC7DC
Accessibility & contrast
On white
4.20
#21879B on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.00
#21879B on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #21879B
5.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21879B | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##21879B | 1.00 | 4.20 | 5.00 | 5.00 |
| #FFFFFF | 4.20 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.00 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.00 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#79829C
Deuteranopia (green-blind)
#68769B
Tritanopia (blue-blind)
#008F8D
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #21879b; /* rgb */ color: rgb(33, 135, 155); /* oklch */ color: oklch(57.7% 0.093 214.4);
Tailwind
colors: {
custom: {
50: '#71aab8',
500: '#21879b',
950: '#000000',
},
}SCSS
$custom: #21879b; $custom-light: #71aab8; $custom-dark: #000000;
JSON
{
"hex": "#21879b",
"rgb": {
"r": 33,
"g": 135,
"b": 155
},
"hsl": {
"h": 189.836,
"s": 64.894,
"l": 36.863
},
"oklch": {
"l": 0.57661,
"c": 0.09283,
"h": 214.4
},
"luminance": 0.20018
}Semantic roles & 50–950 ramp
primary
#21879B
secondary
#C06958
accent
#5B40E8
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#091011
muted
#7B7F80