#21B7BD#21B7BD

#21B7BD is a light, moderate teal. Relative luminance 0.379; OKLCH L 71.1% C 0.115 H 199.2°. Best body text is #000000 at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#21B7BD
RGB	rgb(33, 183, 189)
HSL	hsl(182, 70%, 44%)
HSV	hsv(182, 83%, 74%)
CMYK	cmyk(82.5%, 3.2%, 0%, 25.9%)
CIE-LAB	lab(67.92, -34.08, -13.66)
CIE-LCH	lch(67.92, 36.72, 201.83°)
OKLab	oklab(71.05% -0.1089 -0.038)
OKLCH	oklch(71.05% 0.115 199.2)
XYZ	xyz(26.7418, 37.8610, 54.0327)
Luminance	0.3786 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B7BD #BD2721

analogous

#21BD75 #21B7BD #2169BD

triadic

#21B7BD #BD21B7 #B7BD21

tetradic

#21B7BD #7521BD #BD2721 #69BD21

square

#21B7BD #7521BD #BD2721 #69BD21

split-complementary

#21B7BD #BD2169 #BD7521

monochromatic

#0F5255 #188589 #21B7BD #3ED7DD #72E2E6

Accessibility & contrast

On white

2.45

#21B7BD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.57

#21B7BD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B7BD

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B7BD	#FFFFFF	#000000	##000000
##21B7BD	1.00	2.45	8.57	8.57
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.57	21.00	1.00	1.00
##000000	8.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9AEBE

Deuteranopia (green-blind)

#949FBE

Tritanopia (blue-blind)

#00BEB8

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #21b7bd;
/* rgb */ color: rgb(33, 183, 189);
/* oklch */ color: oklch(71.1% 0.115 199.2);

Tailwind

colors: {
  custom: {
    50: '#7ccdd0',
    500: '#21b7bd',
    950: '#000000',
  },
}

SCSS

$custom: #21b7bd;
$custom-light: #7ccdd0;
$custom-dark: #000000;

JSON

{
  "hex": "#21b7bd",
  "rgb": {
    "r": 33,
    "g": 183,
    "b": 189
  },
  "hsl": {
    "h": 182.308,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.71053,
    "c": 0.11532,
    "h": 199.2
  },
  "luminance": 0.37864
}

Semantic roles & 50–950 ramp

primary

#21B7BD

secondary

#CD706D

accent

#423BED

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0B1314

muted

#7C8282

Preview Lab

Preview with #21B7BD

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

Preview Lab → · Contrast checker → · Palette generator →