#21A4B2#21A4B2
#21A4B2 is a light, moderate teal. Relative luminance 0.301; OKLCH L 65.9% C 0.106 H 206.2°. Best body text is #000000 at 7.02:1 contrast (WCAG AA passes).
Color values
| HEX | #21A4B2 |
|---|---|
| RGB | rgb(33, 164, 178) |
| HSL | hsl(186, 69%, 41%) |
| HSV | hsv(186, 81%, 70%) |
| CMYK | cmyk(81.5%, 7.9%, 0%, 30.2%) |
| CIE-LAB | lab(61.73, -28.34, -16.88) |
| CIE-LCH | lch(61.73, 32.99, 210.78°) |
| OKLab | oklab(65.91% -0.0954 -0.047) |
| OKLCH | oklch(65.91% 0.106 206.2) |
| XYZ | xyz(21.9350, 30.0858, 46.7619) |
| Luminance | 0.3009 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 4.05
Cadetblue
#5F9EA0
ΔE00 6.33
Sea
#3C9992
ΔE00 8.77
Lightseagreen
#20B2AA
ΔE00 9.27
Teal Blue
#01889F
ΔE00 9.98
Darkcyan
#008B8B
ΔE00 10.25
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21A4B2 #B22F21
analogous
#21B278 #21A4B2 #215CB2
triadic
#21A4B2 #B221A4 #A4B221
tetradic
#21A4B2 #7821B2 #B22F21 #5CB221
square
#21A4B2 #7821B2 #B22F21 #5CB221
split-complementary
#21A4B2 #B2215C #B27821
monochromatic
#0E454B #17747E #21A4B2 #36CADA #6AD8E3
Accessibility & contrast
On white
2.99
#21A4B2 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.02
#21A4B2 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #21A4B2
7.02:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21A4B2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##21A4B2 | 1.00 | 2.99 | 7.02 | 7.02 |
| #FFFFFF | 2.99 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.02 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.02 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#959DB3
Deuteranopia (green-blind)
#828FB2
Tritanopia (blue-blind)
#00ACA8
Achromatopsia (no color)
#959595
Design tokens & code
CSS
--color: #21a4b2; /* rgb */ color: rgb(33, 164, 178); /* oklch */ color: oklch(65.9% 0.106 206.2);
Tailwind
colors: {
custom: {
50: '#78bfc9',
500: '#21a4b2',
950: '#000000',
},
}SCSS
$custom: #21a4b2; $custom-light: #78bfc9; $custom-dark: #000000;
JSON
{
"hex": "#21a4b2",
"rgb": {
"r": 33,
"g": 164,
"b": 178
},
"hsl": {
"h": 185.793,
"s": 68.72,
"l": 41.373
},
"oklch": {
"l": 0.65913,
"c": 0.10637,
"h": 206.2
},
"luminance": 0.30089
}Semantic roles & 50–950 ramp
primary
#21A4B2
secondary
#C96F66
accent
#4D3CEC
background
#F8FBFC
surface
#EFF7F8
border
#CAD0D1
text
#0B1213
muted
#7C8182