#21A7B0#21A7B0

#21A7B0 is a light, moderate teal. Relative luminance 0.311; OKLCH L 66.6% C 0.107 H 202.1°. Best body text is #000000 at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#21A7B0
RGB	rgb(33, 167, 176)
HSL	hsl(184, 68%, 41%)
HSV	hsv(184, 81%, 69%)
CMYK	cmyk(81.3%, 5.1%, 0%, 31%)
CIE-LAB	lab(62.59, -30.44, -14.46)
CIE-LCH	lch(62.59, 33.70, 205.41°)
OKLab	oklab(66.59% -0.0992 -0.0402)
OKLCH	oklch(66.59% 0.107 202.1)
XYZ	xyz(22.2788, 31.0925, 45.8931)
Luminance	0.3110 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A7B0 #B02A21

analogous

#21B071 #21A7B0 #215FB0

triadic

#21A7B0 #B021A7 #A7B021

tetradic

#21A7B0 #7121B0 #B02A21 #5FB021

square

#21A7B0 #7121B0 #B02A21 #5FB021

split-complementary

#21A7B0 #B0215F #B07121

monochromatic

#0E4549 #17767C #21A7B0 #35CFD9 #69DBE3

Accessibility & contrast

On white

2.91

#21A7B0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.22

#21A7B0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21A7B0

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A7B0	#FFFFFF	#000000	##000000
##21A7B0	1.00	2.91	7.22	7.22
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.22	21.00	1.00	1.00
##000000	7.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#999FB1

Deuteranopia (green-blind)

#8691B1

Tritanopia (blue-blind)

#00AEA9

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #21a7b0;
/* rgb */ color: rgb(33, 167, 176);
/* oklch */ color: oklch(66.6% 0.107 202.1);

Tailwind

colors: {
  custom: {
    50: '#78c1c7',
    500: '#21a7b0',
    950: '#000000',
  },
}

SCSS

$custom: #21a7b0;
$custom-light: #78c1c7;
$custom-dark: #000000;

JSON

{
  "hex": "#21a7b0",
  "rgb": {
    "r": 33,
    "g": 167,
    "b": 176
  },
  "hsl": {
    "h": 183.776,
    "s": 68.421,
    "l": 40.98
  },
  "oklch": {
    "l": 0.66585,
    "c": 0.10704,
    "h": 202.1
  },
  "luminance": 0.31095
}

Semantic roles & 50–950 ramp

primary

#21A7B0

secondary

#C86B64

accent

#483DEB

background

#F8FBFC

surface

#EFF7F8

border

#CAD0D1

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #21A7B0

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

Preview Lab → · Contrast checker → · Palette generator →