#21818D#21818D

#21818D is a mid, moderate teal. Relative luminance 0.179; OKLCH L 55.5% C 0.086 H 207.5°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#21818D
RGB	rgb(33, 129, 141)
HSL	hsl(187, 62%, 34%)
HSV	hsv(187, 77%, 55%)
CMYK	cmyk(76.6%, 8.5%, 0%, 44.7%)
CIE-LAB	lab(49.43, -22.55, -14.31)
CIE-LCH	lch(49.43, 26.71, 212.39°)
OKLab	oklab(55.53% -0.0765 -0.0398)
OKLCH	oklch(55.53% 0.086 207.5)
XYZ	xyz(13.2831, 17.9453, 27.9579)
Luminance	0.1795 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21818D #8D2D21

analogous

#218D63 #21818D #214B8D

triadic

#21818D #8D2181 #818D21

tetradic

#21818D #63218D #8D2D21 #4B8D21

square

#21818D #63218D #8D2D21 #4B8D21

split-complementary

#21818D #8D214B #8D6321

monochromatic

#0A262A #15545B #21818D #2DAEBF #52C8D6

Accessibility & contrast

On white

4.58

#21818D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#21818D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21818D

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21818D	#FFFFFF	#000000	##000000
##21818D	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#757C8E

Deuteranopia (green-blind)

#66718D

Tritanopia (blue-blind)

#008785

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #21818d;
/* rgb */ color: rgb(33, 129, 141);
/* oklch */ color: oklch(55.5% 0.086 207.5);

Tailwind

colors: {
  custom: {
    50: '#6fa6ae',
    500: '#21818d',
    950: '#000000',
  },
}

SCSS

$custom: #21818d;
$custom-light: #6fa6ae;
$custom-dark: #000000;

JSON

{
  "hex": "#21818d",
  "rgb": {
    "r": 33,
    "g": 129,
    "b": 141
  },
  "hsl": {
    "h": 186.667,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.55532,
    "c": 0.08624,
    "h": 207.5
  },
  "luminance": 0.17947
}

Semantic roles & 50–950 ramp

primary

#21818D

secondary

#BA5C50

accent

#5543E5

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #21818D

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

Preview Lab → · Contrast checker → · Palette generator →