#21A1B2#21A1B2
#21A1B2 is a light, moderate teal. Relative luminance 0.290; OKLCH L 65.2% C 0.106 H 208.8°. Best body text is #000000 at 6.81:1 contrast (WCAG AA passes).
Color values
| HEX | #21A1B2 |
|---|---|
| RGB | rgb(33, 161, 178) |
| HSL | hsl(187, 69%, 41%) |
| HSV | hsv(187, 81%, 70%) |
| CMYK | cmyk(81.5%, 9.6%, 0%, 30.2%) |
| CIE-LAB | lab(60.80, -26.85, -18.28) |
| CIE-LCH | lch(60.80, 32.48, 214.25°) |
| OKLab | oklab(65.16% -0.0925 -0.0509) |
| OKLCH | oklch(65.16% 0.106 208.8) |
| XYZ | xyz(21.4044, 29.0247, 46.5851) |
| Luminance | 0.2903 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 4.73
Cadetblue
#5F9EA0
ΔE00 6.69
Teal Blue
#01889F
ΔE00 8.77
Sea
#3C9992
ΔE00 9.53
Darkcyan
#008B8B
ΔE00 10.27
Dark Cyan
#0A888A
ΔE00 10.50
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21A1B2 #B23221
analogous
#21B27B #21A1B2 #2159B2
triadic
#21A1B2 #B221A1 #A1B221
tetradic
#21A1B2 #7B21B2 #B23221 #59B221
square
#21A1B2 #7B21B2 #B23221 #59B221
split-complementary
#21A1B2 #B22159 #B27B21
monochromatic
#0E444B #17727E #21A1B2 #36C7DA #6AD5E3
Accessibility & contrast
On white
3.09
#21A1B2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.81
#21A1B2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #21A1B2
6.81:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21A1B2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##21A1B2 | 1.00 | 3.09 | 6.81 | 6.81 |
| #FFFFFF | 3.09 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.81 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.81 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#929BB3
Deuteranopia (green-blind)
#7F8DB2
Tritanopia (blue-blind)
#00A9A6
Achromatopsia (no color)
#939393
Design tokens & code
CSS
--color: #21a1b2; /* rgb */ color: rgb(33, 161, 178); /* oklch */ color: oklch(65.2% 0.106 208.8);
Tailwind
colors: {
custom: {
50: '#78bdc9',
500: '#21a1b2',
950: '#000000',
},
}SCSS
$custom: #21a1b2; $custom-light: #78bdc9; $custom-dark: #000000;
JSON
{
"hex": "#21a1b2",
"rgb": {
"r": 33,
"g": 161,
"b": 178
},
"hsl": {
"h": 187.034,
"s": 68.72,
"l": 41.373
},
"oklch": {
"l": 0.65165,
"c": 0.10563,
"h": 208.8
},
"luminance": 0.29027
}Semantic roles & 50–950 ramp
primary
#21A1B2
secondary
#C97166
accent
#513CEC
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0A1213
muted
#7C8182