#21A2B4#21A2B4
#21A2B4 is a light, moderate teal. Relative luminance 0.295; OKLCH L 65.5% C 0.106 H 209.5°. Best body text is #000000 at 6.89:1 contrast (WCAG AA passes).
Color values
| HEX | #21A2B4 |
|---|---|
| RGB | rgb(33, 162, 180) |
| HSL | hsl(187, 69%, 42%) |
| HSV | hsv(187, 82%, 71%) |
| CMYK | cmyk(81.7%, 10%, 0%, 29.4%) |
| CIE-LAB | lab(61.18, -26.70, -18.83) |
| CIE-LCH | lch(61.18, 32.68, 215.19°) |
| OKLab | oklab(65.49% -0.0927 -0.0525) |
| OKLCH | oklch(65.49% 0.106 209.5) |
| XYZ | xyz(21.7821, 29.4565, 47.7088) |
| Luminance | 0.2946 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 4.43
Cadetblue
#5F9EA0
ΔE00 6.92
Teal Blue
#01889F
ΔE00 8.98
Sea
#3C9992
ΔE00 9.95
Greyblue
#77A1B5
ΔE00 10.52
Darkcyan
#008B8B
ΔE00 10.74
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21A2B4 #B43321
analogous
#21B47D #21A2B4 #2159B4
triadic
#21A2B4 #B421A2 #A2B421
tetradic
#21A2B4 #7D21B4 #B43321 #59B421
square
#21A2B4 #7D21B4 #B43321 #59B421
split-complementary
#21A2B4 #B42159 #B47D21
monochromatic
#0E454D #187380 #21A2B4 #38C7DA #6BD5E4
Accessibility & contrast
On white
3.05
#21A2B4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.89
#21A2B4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #21A2B4
6.89:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21A2B4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##21A2B4 | 1.00 | 3.05 | 6.89 | 6.89 |
| #FFFFFF | 3.05 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.89 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.89 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#929CB5
Deuteranopia (green-blind)
#7F8EB4
Tritanopia (blue-blind)
#00AAA7
Achromatopsia (no color)
#949494
Design tokens & code
CSS
--color: #21a2b4; /* rgb */ color: rgb(33, 162, 180); /* oklch */ color: oklch(65.5% 0.106 209.5);
Tailwind
colors: {
custom: {
50: '#78beca',
500: '#21a2b4',
950: '#000000',
},
}SCSS
$custom: #21a2b4; $custom-light: #78beca; $custom-dark: #000000;
JSON
{
"hex": "#21a2b4",
"rgb": {
"r": 33,
"g": 162,
"b": 180
},
"hsl": {
"h": 187.347,
"s": 69.014,
"l": 41.765
},
"oklch": {
"l": 0.65494,
"c": 0.10649,
"h": 209.5
},
"luminance": 0.29459
}Semantic roles & 50–950 ramp
primary
#21A2B4
secondary
#CA7367
accent
#513CEC
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1213
muted
#7C8182