#21B1BD#21B1BD

#21B1BD is a light, moderate teal. Relative luminance 0.354; OKLCH L 69.6% C 0.113 H 203.9°. Best body text is #000000 at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#21B1BD
RGB	rgb(33, 177, 189)
HSL	hsl(185, 70%, 44%)
HSV	hsv(185, 83%, 74%)
CMYK	cmyk(82.5%, 6.3%, 0%, 25.9%)
CIE-LAB	lab(66.09, -31.22, -16.41)
CIE-LCH	lch(66.09, 35.27, 207.73°)
OKLab	oklab(69.57% -0.1032 -0.0457)
OKLCH	oklch(69.57% 0.113 203.9)
XYZ	xyz(25.5305, 35.4385, 53.6290)
Luminance	0.3544 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B1BD #BD2D21

analogous

#21BD7B #21B1BD #2163BD

triadic

#21B1BD #BD21B1 #B1BD21

tetradic

#21B1BD #7B21BD #BD2D21 #63BD21

square

#21B1BD #7B21BD #BD2D21 #63BD21

split-complementary

#21B1BD #BD2163 #BD7B21

monochromatic

#0F4F55 #188089 #21B1BD #3ED1DD #72DDE6

Accessibility & contrast

On white

2.60

#21B1BD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.09

#21B1BD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B1BD

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B1BD	#FFFFFF	#000000	##000000
##21B1BD	1.00	2.60	8.09	8.09
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.09	21.00	1.00	1.00
##000000	8.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2A9BE

Deuteranopia (green-blind)

#8D9ABD

Tritanopia (blue-blind)

#00B9B4

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #21b1bd;
/* rgb */ color: rgb(33, 177, 189);
/* oklch */ color: oklch(69.6% 0.113 203.9);

Tailwind

colors: {
  custom: {
    50: '#7bc8d0',
    500: '#21b1bd',
    950: '#000000',
  },
}

SCSS

$custom: #21b1bd;
$custom-light: #7bc8d0;
$custom-dark: #000000;

JSON

{
  "hex": "#21b1bd",
  "rgb": {
    "r": 33,
    "g": 177,
    "b": 189
  },
  "hsl": {
    "h": 184.615,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.69569,
    "c": 0.11285,
    "h": 203.9
  },
  "luminance": 0.35442
}

Semantic roles & 50–950 ramp

primary

#21B1BD

secondary

#CD746D

accent

#483BED

background

#F8FCFC

surface

#EFF8F9

border

#CAD1D2

text

#0B1314

muted

#7C8282

Preview Lab

Preview with #21B1BD

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →