#21878E#21878E

#21878E is a mid, moderate teal. Relative luminance 0.196; OKLCH L 57.1% C 0.089 H 202.0°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#21878E
RGB	rgb(33, 135, 142)
HSL	hsl(184, 62%, 34%)
HSV	hsv(184, 77%, 56%)
CMYK	cmyk(76.8%, 4.9%, 0%, 44.3%)
CIE-LAB	lab(51.38, -25.32, -11.94)
CIE-LCH	lch(51.38, 27.99, 205.24°)
OKLab	oklab(57.13% -0.0823 -0.0332)
OKLCH	oklch(57.13% 0.089 202)
XYZ	xyz(14.1715, 19.6025, 28.6227)
Luminance	0.1960 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21878E #8E2821

analogous

#218E5F #21878E #21518E

triadic

#21878E #8E2187 #878E21

tetradic

#21878E #5F218E #8E2821 #518E21

square

#21878E #5F218E #8E2821 #518E21

split-complementary

#21878E #8E2151 #8E5F21

monochromatic

#0A292B #15585C #21878E #2DB6C0 #52CED7

Accessibility & contrast

On white

4.27

#21878E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#21878E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21878E

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21878E	#FFFFFF	#000000	##000000
##21878E	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C818F

Deuteranopia (green-blind)

#6D768E

Tritanopia (blue-blind)

#008C89

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #21878e;
/* rgb */ color: rgb(33, 135, 142);
/* oklch */ color: oklch(57.1% 0.089 202.0);

Tailwind

colors: {
  custom: {
    50: '#70aaaf',
    500: '#21878e',
    950: '#000000',
  },
}

SCSS

$custom: #21878e;
$custom-light: #70aaaf;
$custom-dark: #000000;

JSON

{
  "hex": "#21878e",
  "rgb": {
    "r": 33,
    "g": 135,
    "b": 142
  },
  "hsl": {
    "h": 183.853,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.57125,
    "c": 0.08872,
    "h": 202
  },
  "luminance": 0.19604
}

Semantic roles & 50–950 ramp

primary

#21878E

secondary

#BA5750

accent

#4D42E5

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #21878E

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

Preview Lab → · Contrast checker → · Palette generator →