#21787B#21787B

#21787B is a mid, moderate teal. Relative luminance 0.152; OKLCH L 52.5% C 0.079 H 198.4°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#21787B
RGB	rgb(33, 120, 123)
HSL	hsl(182, 58%, 31%)
HSV	hsv(182, 73%, 48%)
CMYK	cmyk(73.2%, 2.4%, 0%, 51.8%)
CIE-LAB	lab(45.89, -23.70, -9.02)
CIE-LCH	lch(45.89, 25.36, 200.83°)
OKLab	oklab(52.46% -0.0751 -0.025)
OKLCH	oklch(52.46% 0.079 198.4)
XYZ	xyz(10.9172, 15.1851, 21.0907)
Luminance	0.1519 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21787B #7B2421

analogous

#217B51 #21787B #214B7B

triadic

#21787B #7B2178 #787B21

tetradic

#21787B #51217B #7B2421 #4B7B21

square

#21787B #51217B #7B2421 #4B7B21

split-complementary

#21787B #7B214B #7B5121

monochromatic

#071A1A #14494B #21787B #2EA7AB #48CACE

Accessibility & contrast

On white

5.20

#21787B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#21787B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21787B

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21787B	#FFFFFF	#000000	##FFFFFF
##21787B	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F727B

Deuteranopia (green-blind)

#62697B

Tritanopia (blue-blind)

#007C79

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #21787b;
/* rgb */ color: rgb(33, 120, 123);
/* oklch */ color: oklch(52.5% 0.079 198.4);

Tailwind

colors: {
  custom: {
    50: '#6c9fa1',
    500: '#21787b',
    950: '#000000',
  },
}

SCSS

$custom: #21787b;
$custom-light: #6c9fa1;
$custom-dark: #000000;

JSON

{
  "hex": "#21787b",
  "rgb": {
    "r": 33,
    "g": 120,
    "b": 123
  },
  "hsl": {
    "h": 182,
    "s": 57.692,
    "l": 30.588
  },
  "oklch": {
    "l": 0.52455,
    "c": 0.0792,
    "h": 198.4
  },
  "luminance": 0.15186
}

Semantic roles & 50–950 ramp

primary

#21787B

secondary

#AE4D4A

accent

#4C47E1

background

#F6F9F9

surface

#ECF2F2

border

#C7CCCC

text

#080E0E

muted

#7A7E7E

Preview Lab

Preview with #21787B

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

Preview Lab → · Contrast checker → · Palette generator →