#21A9AC#21A9AC

#21A9AC is a light, moderate teal. Relative luminance 0.317; OKLCH L 66.9% C 0.108 H 197.2°. Best body text is #000000 at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#21A9AC
RGB	rgb(33, 169, 172)
HSL	hsl(181, 68%, 40%)
HSV	hsv(181, 81%, 67%)
CMYK	cmyk(80.8%, 1.7%, 0%, 32.5%)
CIE-LAB	lab(63.07, -32.64, -11.49)
CIE-LCH	lch(63.07, 34.60, 199.39°)
OKLab	oklab(66.94% -0.1029 -0.0319)
OKLCH	oklch(66.94% 0.108 197.2)
XYZ	xyz(22.2581, 31.6750, 43.9625)
Luminance	0.3168 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A9AC #AC2421

analogous

#21AC69 #21A9AC #2163AC

triadic

#21A9AC #AC21A9 #A9AC21

tetradic

#21A9AC #6921AC #AC2421 #63AC21

square

#21A9AC #6921AC #AC2421 #63AC21

split-complementary

#21A9AC #AC2163 #AC6921

monochromatic

#0D4445 #177779 #21A9AC #32D4D8 #66DFE2

Accessibility & contrast

On white

2.86

#21A9AC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.34

#21A9AC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21A9AC

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A9AC	#FFFFFF	#000000	##000000
##21A9AC	1.00	2.86	7.34	7.34
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.34	21.00	1.00	1.00
##000000	7.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DA1AC

Deuteranopia (green-blind)

#8A93AD

Tritanopia (blue-blind)

#00AFAA

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #21a9ac;
/* rgb */ color: rgb(33, 169, 172);
/* oklch */ color: oklch(66.9% 0.108 197.2);

Tailwind

colors: {
  custom: {
    50: '#78c3c4',
    500: '#21a9ac',
    950: '#000000',
  },
}

SCSS

$custom: #21a9ac;
$custom-light: #78c3c4;
$custom-dark: #000000;

JSON

{
  "hex": "#21a9ac",
  "rgb": {
    "r": 33,
    "g": 169,
    "b": 172
  },
  "hsl": {
    "h": 181.295,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.66937,
    "c": 0.10775,
    "h": 197.2
  },
  "luminance": 0.31678
}

Semantic roles & 50–950 ramp

primary

#21A9AC

secondary

#C76462

accent

#413DEB

background

#F8FCFC

surface

#EFF8F8

border

#CAD1D1

text

#0B1212

muted

#7C8181

Preview Lab

Preview with #21A9AC

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

Preview Lab → · Contrast checker → · Palette generator →