#21808B#21808B

#21808B is a mid, moderate teal. Relative luminance 0.176; OKLCH L 55.2% C 0.085 H 206.6°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#21808B
RGB	rgb(33, 128, 139)
HSL	hsl(186, 62%, 34%)
HSV	hsv(186, 76%, 55%)
CMYK	cmyk(76.3%, 7.9%, 0%, 45.5%)
CIE-LAB	lab(49.04, -22.69, -13.73)
CIE-LCH	lch(49.04, 26.52, 211.18°)
OKLab	oklab(55.19% -0.0764 -0.0382)
OKLCH	oklch(55.19% 0.085 206.6)
XYZ	xyz(13.0045, 17.6242, 27.1375)
Luminance	0.1763 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21808B #8B2C21

analogous

#218B61 #21808B #214B8B

triadic

#21808B #8B2180 #808B21

tetradic

#21808B #61218B #8B2C21 #4B8B21

square

#21808B #61218B #8B2C21 #4B8B21

split-complementary

#21808B #8B214B #8B6121

monochromatic

#0A2528 #15525A #21808B #2DAEBC #51C8D6

Accessibility & contrast

On white

4.64

#21808B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#21808B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #21808B

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21808B	#FFFFFF	#000000	##FFFFFF
##21808B	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#757B8C

Deuteranopia (green-blind)

#66708B

Tritanopia (blue-blind)

#008683

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #21808b;
/* rgb */ color: rgb(33, 128, 139);
/* oklch */ color: oklch(55.2% 0.085 206.6);

Tailwind

colors: {
  custom: {
    50: '#6fa5ac',
    500: '#21808b',
    950: '#000000',
  },
}

SCSS

$custom: #21808b;
$custom-light: #6fa5ac;
$custom-dark: #000000;

JSON

{
  "hex": "#21808b",
  "rgb": {
    "r": 33,
    "g": 128,
    "b": 139
  },
  "hsl": {
    "h": 186.226,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.55191,
    "c": 0.08537,
    "h": 206.6
  },
  "luminance": 0.17626
}

Semantic roles & 50–950 ramp

primary

#21808B

secondary

#B95A4F

accent

#5443E5

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #21808B

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

Preview Lab → · Contrast checker → · Palette generator →