#21878C#21878C

#21878C is a mid, moderate teal. Relative luminance 0.195; OKLCH L 57.0% C 0.089 H 200.0°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#21878C
RGB	rgb(33, 135, 140)
HSL	hsl(183, 62%, 34%)
HSV	hsv(183, 76%, 55%)
CMYK	cmyk(76.4%, 3.6%, 0%, 45.1%)
CIE-LAB	lab(51.32, -25.96, -10.88)
CIE-LCH	lch(51.32, 28.14, 202.73°)
OKLab	oklab(57.05% -0.0832 -0.0302)
OKLCH	oklch(57.05% 0.089 200)
XYZ	xyz(14.0227, 19.5430, 27.8390)
Luminance	0.1955 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21878C #8C2621

analogous

#218C5C #21878C #21528C

triadic

#21878C #8C2187 #878C21

tetradic

#21878C #5C218C #8C2621 #528C21

square

#21878C #5C218C #8C2621 #528C21

split-complementary

#21878C #8C2152 #8C5C21

monochromatic

#0A2729 #15575A #21878C #2DB7BE #51D0D6

Accessibility & contrast

On white

4.28

#21878C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#21878C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21878C

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21878C	#FFFFFF	#000000	##000000
##21878C	1.00	4.28	4.91	4.91
#FFFFFF	4.28	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)

#7D818C

Deuteranopia (green-blind)

#6D768D

Tritanopia (blue-blind)

#008C88

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #21878c;
/* rgb */ color: rgb(33, 135, 140);
/* oklch */ color: oklch(57.0% 0.089 200.0);

Tailwind

colors: {
  custom: {
    50: '#70aaad',
    500: '#21878c',
    950: '#000000',
  },
}

SCSS

$custom: #21878c;
$custom-light: #70aaad;
$custom-dark: #000000;

JSON

{
  "hex": "#21878c",
  "rgb": {
    "r": 33,
    "g": 135,
    "b": 140
  },
  "hsl": {
    "h": 182.804,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.57047,
    "c": 0.08851,
    "h": 200
  },
  "luminance": 0.19545
}

Semantic roles & 50–950 ramp

primary

#21878C

secondary

#B9544F

accent

#4A43E5

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #21878C

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

Preview Lab → · Contrast checker → · Palette generator →