#21898B#21898B

#21898B is a mid, moderate teal. Relative luminance 0.201; OKLCH L 57.5% C 0.090 H 196.9°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#21898B
RGB	rgb(33, 137, 139)
HSL	hsl(181, 62%, 34%)
HSV	hsv(181, 76%, 55%)
CMYK	cmyk(76.3%, 1.4%, 0%, 45.5%)
CIE-LAB	lab(51.92, -27.27, -9.38)
CIE-LCH	lch(51.92, 28.84, 198.98°)
OKLab	oklab(57.53% -0.0857 -0.0261)
OKLCH	oklch(57.53% 0.09 196.9)
XYZ	xyz(14.2309, 20.0770, 27.5463)
Luminance	0.2008 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21898B #8B2321

analogous

#218B58 #21898B #21548B

triadic

#21898B #8B2189 #898B21

tetradic

#21898B #58218B #8B2321 #548B21

square

#21898B #58218B #8B2321 #548B21

split-complementary

#21898B #8B2154 #8B5821

monochromatic

#0A2828 #15585A #21898B #2DBABC #51D3D6

Accessibility & contrast

On white

4.19

#21898B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#21898B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21898B

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21898B	#FFFFFF	#000000	##000000
##21898B	1.00	4.19	5.02	5.02
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F828B

Deuteranopia (green-blind)

#70778C

Tritanopia (blue-blind)

#008E89

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #21898b;
/* rgb */ color: rgb(33, 137, 139);
/* oklch */ color: oklch(57.5% 0.090 196.9);

Tailwind

colors: {
  custom: {
    50: '#70acac',
    500: '#21898b',
    950: '#000000',
  },
}

SCSS

$custom: #21898b;
$custom-light: #70acac;
$custom-dark: #000000;

JSON

{
  "hex": "#21898b",
  "rgb": {
    "r": 33,
    "g": 137,
    "b": 139
  },
  "hsl": {
    "h": 181.132,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.57529,
    "c": 0.08961,
    "h": 196.9
  },
  "luminance": 0.20079
}

Semantic roles & 50–950 ramp

primary

#21898B

secondary

#B9514F

accent

#4643E5

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #21898B

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

Preview Lab → · Contrast checker → · Palette generator →