#21918B#21918B

#21918B is a mid, moderate teal. Relative luminance 0.224; OKLCH L 59.6% C 0.095 H 189.4°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#21918B
RGB	rgb(33, 145, 139)
HSL	hsl(177, 63%, 35%)
HSV	hsv(177, 77%, 57%)
CMYK	cmyk(77.2%, 0%, 4.1%, 43.1%)
CIE-LAB	lab(54.49, -31.18, -5.56)
CIE-LCH	lch(54.49, 31.67, 190.12°)
OKLab	oklab(59.61% -0.094 -0.0156)
OKLCH	oklch(59.61% 0.095 189.4)
XYZ	xyz(15.4106, 22.4363, 27.9395)
Luminance	0.2244 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21918B #912127

analogous

#219153 #21918B #215F91

triadic

#21918B #8B2191 #918B21

tetradic

#21918B #532191 #912127 #5F9121

square

#21918B #532191 #912127 #5F9121

split-complementary

#21918B #91215F #915321

monochromatic

#0A2D2B #165F5B #21918B #2CC3BB #54D8D1

Accessibility & contrast

On white

3.83

#21918B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#21918B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21918B

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21918B	#FFFFFF	#000000	##000000
##21918B	1.00	3.83	5.49	5.49
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#88898B

Deuteranopia (green-blind)

#797E8C

Tritanopia (blue-blind)

#00958F

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #21918b;
/* rgb */ color: rgb(33, 145, 139);
/* oklch */ color: oklch(59.6% 0.095 189.4);

Tailwind

colors: {
  custom: {
    50: '#71b2ac',
    500: '#21918b',
    950: '#000000',
  },
}

SCSS

$custom: #21918b;
$custom-light: #71b2ac;
$custom-dark: #000000;

JSON

{
  "hex": "#21918b",
  "rgb": {
    "r": 33,
    "g": 145,
    "b": 139
  },
  "hsl": {
    "h": 176.786,
    "s": 62.921,
    "l": 34.902
  },
  "oklch": {
    "l": 0.59612,
    "c": 0.09529,
    "h": 189.4
  },
  "luminance": 0.22438
}

Semantic roles & 50–950 ramp

primary

#21918B

secondary

#BC5258

accent

#424BE6

background

#F7FBFA

surface

#EDF6F4

border

#C8D0CE

text

#091110

muted

#7B807F

Preview Lab

Preview with #21918B

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

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