#21878D#21878D

#21878D is a mid, moderate teal. Relative luminance 0.196; OKLCH L 57.1% C 0.089 H 201.0°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#21878D
RGB	rgb(33, 135, 141)
HSL	hsl(183, 62%, 34%)
HSV	hsv(183, 77%, 55%)
CMYK	cmyk(76.6%, 4.3%, 0%, 44.7%)
CIE-LAB	lab(51.35, -25.64, -11.41)
CIE-LCH	lch(51.35, 28.06, 203.98°)
OKLab	oklab(57.09% -0.0827 -0.0317)
OKLCH	oklch(57.09% 0.089 201)
XYZ	xyz(14.0967, 19.5727, 28.2291)
Luminance	0.1957 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21878D #8D2721

analogous

#218D5D #21878D #21518D

triadic

#21878D #8D2187 #878D21

tetradic

#21878D #5D218D #8D2721 #518D21

square

#21878D #5D218D #8D2721 #518D21

split-complementary

#21878D #8D2151 #8D5D21

monochromatic

#0A282A #15585B #21878D #2DB6BF #52CFD6

Accessibility & contrast

On white

4.27

#21878D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#21878D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21878D

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21878D	#FFFFFF	#000000	##000000
##21878D	1.00	4.27	4.91	4.91
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C818E

Deuteranopia (green-blind)

#6D768D

Tritanopia (blue-blind)

#008C89

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #21878d;
/* rgb */ color: rgb(33, 135, 141);
/* oklch */ color: oklch(57.1% 0.089 201.0);

Tailwind

colors: {
  custom: {
    50: '#70aaae',
    500: '#21878d',
    950: '#000000',
  },
}

SCSS

$custom: #21878d;
$custom-light: #70aaae;
$custom-dark: #000000;

JSON

{
  "hex": "#21878d",
  "rgb": {
    "r": 33,
    "g": 135,
    "b": 141
  },
  "hsl": {
    "h": 183.333,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.57086,
    "c": 0.0886,
    "h": 201
  },
  "luminance": 0.19574
}

Semantic roles & 50–950 ramp

primary

#21878D

secondary

#BA5650

accent

#4C43E5

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #21878D

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

Preview Lab → · Contrast checker → · Palette generator →