#21A8A3#21A8A3

#21A8A3 is a light, moderate teal. Relative luminance 0.310; OKLCH L 66.4% C 0.108 H 190.9°. Best body text is #000000 at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#21A8A3
RGB	rgb(33, 168, 163)
HSL	hsl(178, 67%, 39%)
HSV	hsv(178, 80%, 66%)
CMYK	cmyk(80.4%, 0%, 3%, 34.1%)
CIE-LAB	lab(62.48, -34.88, -7.33)
CIE-LCH	lch(62.48, 35.64, 191.86°)
OKLab	oklab(66.36% -0.106 -0.0205)
OKLCH	oklch(66.36% 0.108 190.9)
XYZ	xyz(21.2376, 30.9703, 39.5018)
Luminance	0.3097 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A8A3 #A82126

analogous

#21A860 #21A8A3 #216AA8

triadic

#21A8A3 #A321A8 #A8A321

tetradic

#21A8A3 #6021A8 #A82126 #6AA821

square

#21A8A3 #6021A8 #A82126 #6AA821

split-complementary

#21A8A3 #A8216A #A86021

monochromatic

#0D4240 #177571 #21A8A3 #30D6D0 #63E0DC

Accessibility & contrast

On white

2.92

#21A8A3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.19

#21A8A3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21A8A3

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A8A3	#FFFFFF	#000000	##000000
##21A8A3	1.00	2.92	7.19	7.19
#FFFFFF	2.92	1.00	21.00	21.00
#000000	7.19	21.00	1.00	1.00
##000000	7.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9D9FA3

Deuteranopia (green-blind)

#8B91A4

Tritanopia (blue-blind)

#00ADA6

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #21a8a3;
/* rgb */ color: rgb(33, 168, 163);
/* oklch */ color: oklch(66.4% 0.108 190.9);

Tailwind

colors: {
  custom: {
    50: '#77c2be',
    500: '#21a8a3',
    950: '#000000',
  },
}

SCSS

$custom: #21a8a3;
$custom-light: #77c2be;
$custom-dark: #000000;

JSON

{
  "hex": "#21a8a3",
  "rgb": {
    "r": 33,
    "g": 168,
    "b": 163
  },
  "hsl": {
    "h": 177.778,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.66364,
    "c": 0.10795,
    "h": 190.9
  },
  "luminance": 0.30973
}

Semantic roles & 50–950 ramp

primary

#21A8A3

secondary

#C55F63

accent

#3E44EA

background

#F7FCFB

surface

#EEF8F6

border

#C9D1D0

text

#0A1212

muted

#7C8181

Preview Lab

Preview with #21A8A3

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

Preview Lab → · Contrast checker → · Palette generator →