#21977B#21977B

#21977B is a mid, moderate teal. Relative luminance 0.239; OKLCH L 60.7% C 0.109 H 172.3°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#21977B
RGB	rgb(33, 151, 123)
HSL	hsl(166, 64%, 36%)
HSV	hsv(166, 78%, 59%)
CMYK	cmyk(78.1%, 0%, 18.5%, 40.8%)
CIE-LAB	lab(55.97, -38.43, 5.78)
CIE-LCH	lch(55.97, 38.86, 171.45°)
OKLab	oklab(60.68% -0.1079 0.0147)
OKLCH	oklch(60.68% 0.109 172.3)
XYZ	xyz(15.2671, 23.8847, 22.5406)
Luminance	0.2389 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21977B #97213D

analogous

#219740 #21977B #217897

triadic

#21977B #7B2197 #977B21

tetradic

#21977B #402197 #97213D #789721

square

#21977B #402197 #97213D #789721

split-complementary

#21977B #972178 #974021

monochromatic

#0B3329 #166552 #21977B #2CC9A4 #58DABC

Accessibility & contrast

On white

3.63

#21977B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#21977B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21977B

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21977B	#FFFFFF	#000000	##000000
##21977B	1.00	3.63	5.78	5.78
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928D7A

Deuteranopia (green-blind)

#83827D

Tritanopia (blue-blind)

#00988F

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #21977b;
/* rgb */ color: rgb(33, 151, 123);
/* oklch */ color: oklch(60.7% 0.109 172.3);

Tailwind

colors: {
  custom: {
    50: '#71b6a1',
    500: '#21977b',
    950: '#000000',
  },
}

SCSS

$custom: #21977b;
$custom-light: #71b6a1;
$custom-dark: #000000;

JSON

{
  "hex": "#21977b",
  "rgb": {
    "r": 33,
    "g": 151,
    "b": 123
  },
  "hsl": {
    "h": 165.763,
    "s": 64.13,
    "l": 36.078
  },
  "oklch": {
    "l": 0.60677,
    "c": 0.10893,
    "h": 172.3
  },
  "luminance": 0.23887
}

Semantic roles & 50–950 ramp

primary

#21977B

secondary

#BE556E

accent

#4168E7

background

#F7FBF9

surface

#EDF6F2

border

#C8D0CC

text

#09110E

muted

#7B807E

Preview Lab

Preview with #21977B

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

Preview Lab → · Contrast checker → · Palette generator →