#21A09B#21A09B

#21A09B is a light, moderate teal. Relative luminance 0.278; OKLCH L 64.0% C 0.104 H 190.8°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#21A09B
RGB	rgb(33, 160, 155)
HSL	hsl(178, 66%, 38%)
HSV	hsv(178, 79%, 63%)
CMYK	cmyk(79.4%, 0%, 3.1%, 37.3%)
CIE-LAB	lab(59.73, -33.51, -6.91)
CIE-LCH	lch(59.73, 34.22, 191.64°)
OKLab	oklab(64.05% -0.1017 -0.0193)
OKLCH	oklch(64.05% 0.104 190.8)
XYZ	xyz(19.1116, 27.8291, 35.3683)
Luminance	0.2783 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A09B #A02126

analogous

#21A05C #21A09B #2165A0

triadic

#21A09B #9B21A0 #A09B21

tetradic

#21A09B #5C21A0 #A02126 #65A021

square

#21A09B #5C21A0 #A02126 #65A021

split-complementary

#21A09B #A02165 #A05C21

monochromatic

#0C3B39 #176D6A #21A09B #2BD3CC #5EDED9

Accessibility & contrast

On white

3.20

#21A09B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#21A09B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21A09B

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A09B	#FFFFFF	#000000	##000000
##21A09B	1.00	3.20	6.57	6.57
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.57	21.00	1.00	1.00
##000000	6.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96979B

Deuteranopia (green-blind)

#858B9C

Tritanopia (blue-blind)

#00A59E

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #21a09b;
/* rgb */ color: rgb(33, 160, 155);
/* oklch */ color: oklch(64.0% 0.104 190.8);

Tailwind

colors: {
  custom: {
    50: '#75bcb8',
    500: '#21a09b',
    950: '#000000',
  },
}

SCSS

$custom: #21a09b;
$custom-light: #75bcb8;
$custom-dark: #000000;

JSON

{
  "hex": "#21a09b",
  "rgb": {
    "r": 33,
    "g": 160,
    "b": 155
  },
  "hsl": {
    "h": 177.638,
    "s": 65.803,
    "l": 37.843
  },
  "oklch": {
    "l": 0.64045,
    "c": 0.10356,
    "h": 190.8
  },
  "luminance": 0.27832
}

Semantic roles & 50–950 ramp

primary

#21A09B

secondary

#C25B5F

accent

#3F46E9

background

#F7FBFB

surface

#EEF6F6

border

#C9D0D0

text

#0A1211

muted

#7C8180

Preview Lab

Preview with #21A09B

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

Preview Lab → · Contrast checker → · Palette generator →