#21878F#21878F

#21878F is a mid, moderate teal. Relative luminance 0.196; OKLCH L 57.2% C 0.089 H 202.9°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#21878F
RGB	rgb(33, 135, 143)
HSL	hsl(184, 63%, 35%)
HSV	hsv(184, 77%, 56%)
CMYK	cmyk(76.9%, 5.6%, 0%, 43.9%)
CIE-LAB	lab(51.42, -25.00, -12.47)
CIE-LCH	lch(51.42, 27.94, 206.51°)
OKLab	oklab(57.17% -0.0818 -0.0346)
OKLCH	oklch(57.17% 0.089 202.9)
XYZ	xyz(14.2469, 19.6327, 29.0199)
Luminance	0.1963 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21878F #8F2921

analogous

#218F60 #21878F #21508F

triadic

#21878F #8F2187 #878F21

tetradic

#21878F #60218F #8F2921 #508F21

square

#21878F #60218F #8F2921 #508F21

split-complementary

#21878F #8F2150 #8F6021

monochromatic

#0A292C #16585D #21878F #2CB6C1 #53CED7

Accessibility & contrast

On white

4.26

#21878F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#21878F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21878F

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21878F	#FFFFFF	#000000	##000000
##21878F	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8190

Deuteranopia (green-blind)

#6D768F

Tritanopia (blue-blind)

#008D89

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #21878f;
/* rgb */ color: rgb(33, 135, 143);
/* oklch */ color: oklch(57.2% 0.089 202.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#21878f",
  "rgb": {
    "r": 33,
    "g": 135,
    "b": 143
  },
  "hsl": {
    "h": 184.364,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.57165,
    "c": 0.08887,
    "h": 202.9
  },
  "luminance": 0.19634
}

Semantic roles & 50–950 ramp

primary

#21878F

secondary

#BB5951

accent

#4E42E6

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #21878F

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

Preview Lab → · Contrast checker → · Palette generator →