#21999C#21999C

#21999C is a light, moderate teal. Relative luminance 0.255; OKLCH L 62.3% C 0.099 H 197.5°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#21999C
RGB	rgb(33, 153, 156)
HSL	hsl(181, 65%, 37%)
HSV	hsv(181, 79%, 61%)
CMYK	cmyk(78.8%, 1.9%, 0%, 38.8%)
CIE-LAB	lab(57.56, -29.86, -10.72)
CIE-LCH	lch(57.56, 31.73, 199.74°)
OKLab	oklab(62.29% -0.0943 -0.0298)
OKLCH	oklch(62.29% 0.099 197.5)
XYZ	xyz(18.0164, 25.5039, 35.4192)
Luminance	0.2551 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21999C #9C2421

analogous

#219C61 #21999C #215C9C

triadic

#21999C #9C2199 #999C21

tetradic

#21999C #61219C #9C2421 #5C9C21

square

#21999C #61219C #9C2421 #5C9C21

split-complementary

#21999C #9C215C #9C6121

monochromatic

#0C3637 #166769 #21999C #2CCBCF #5BD9DC

Accessibility & contrast

On white

3.44

#21999C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#21999C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21999C

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21999C	#FFFFFF	#000000	##000000
##21999C	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E919C

Deuteranopia (green-blind)

#7D859D

Tritanopia (blue-blind)

#009F9A

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #21999c;
/* rgb */ color: rgb(33, 153, 156);
/* oklch */ color: oklch(62.3% 0.099 197.5);

Tailwind

colors: {
  custom: {
    50: '#74b7b9',
    500: '#21999c',
    950: '#000000',
  },
}

SCSS

$custom: #21999c;
$custom-light: #74b7b9;
$custom-dark: #000000;

JSON

{
  "hex": "#21999c",
  "rgb": {
    "r": 33,
    "g": 153,
    "b": 156
  },
  "hsl": {
    "h": 181.463,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.62291,
    "c": 0.09887,
    "h": 197.5
  },
  "luminance": 0.25506
}

Semantic roles & 50–950 ramp

primary

#21999C

secondary

#C15B58

accent

#4440E8

background

#F7FBFB

surface

#EEF6F6

border

#C9D0D0

text

#0A1111

muted

#7C8080

Preview Lab

Preview with #21999C

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

Preview Lab → · Contrast checker → · Palette generator →