#21BDB3#21BDB3
#21BDB3 is a light, vivid teal. Relative luminance 0.400; OKLCH L 72.2% C 0.120 H 187.9°. Best body text is #000000 at 8.99:1 contrast (WCAG AA passes).
Color values
| HEX | #21BDB3 |
|---|---|
| RGB | rgb(33, 189, 179) |
| HSL | hsl(176, 70%, 44%) |
| HSV | hsv(176, 83%, 74%) |
| CMYK | cmyk(82.5%, 0%, 5.3%, 25.9%) |
| CIE-LAB | lab(69.45, -39.80, -5.87) |
| CIE-LCH | lch(69.45, 40.23, 188.39°) |
| OKLab | oklab(72.2% -0.1191 -0.0166) |
| OKLCH | oklch(72.2% 0.12 187.9) |
| XYZ | xyz(26.9575, 39.9697, 48.9332) |
| Luminance | 0.3997 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Topaz
#13BBAF
ΔE00 1.02
Lightseagreen
#20B2AA
ΔE00 3.07
Tealish
#24BCA8
ΔE00 3.48
Turquoise (survey)
#06C2AC
ΔE00 4.15
Mediumturquoise
#48D1CC
ΔE00 5.89
Darkturquoise
#00CED1
ΔE00 6.41
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21BDB3 #BD212B
analogous
#21BD65 #21BDB3 #2179BD
triadic
#21BDB3 #B321BD #BDB321
tetradic
#21BDB3 #6521BD #BD212B #79BD21
square
#21BDB3 #6521BD #BD212B #79BD21
split-complementary
#21BDB3 #BD2179 #BD6521
monochromatic
#0F5550 #188982 #21BDB3 #3EDDD3 #72E6DF
Accessibility & contrast
On white
2.33
#21BDB3 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
8.99
#21BDB3 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #21BDB3
8.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21BDB3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##21BDB3 | 1.00 | 2.33 | 8.99 | 8.99 |
| #FFFFFF | 2.33 | 1.00 | 21.00 | 21.00 |
| #000000 | 8.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 8.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#B2B2B3
Deuteranopia (green-blind)
#9EA3B4
Tritanopia (blue-blind)
#00C2BA
Achromatopsia (no color)
#AAAAAA
Design tokens & code
CSS
--color: #21bdb3; /* rgb */ color: rgb(33, 189, 179); /* oklch */ color: oklch(72.2% 0.120 187.9);
Tailwind
colors: {
custom: {
50: '#7cd1c9',
500: '#21bdb3',
950: '#000000',
},
}SCSS
$custom: #21bdb3; $custom-light: #7cd1c9; $custom-dark: #000000;
JSON
{
"hex": "#21bdb3",
"rgb": {
"r": 33,
"g": 189,
"b": 179
},
"hsl": {
"h": 176.154,
"s": 70.27,
"l": 43.529
},
"oklch": {
"l": 0.72197,
"c": 0.12021,
"h": 187.9
},
"luminance": 0.39973
}Semantic roles & 50–950 ramp
primary
#21BDB3
secondary
#CD6D73
accent
#3B46ED
background
#F8FCFC
surface
#EFF9F8
border
#CAD2D1
text
#0B1413
muted
#7C8282