#21ACB3#21ACB3

#21ACB3 is a light, moderate teal. Relative luminance 0.331; OKLCH L 67.9% C 0.110 H 200.3°. Best body text is #000000 at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#21ACB3
RGB	rgb(33, 172, 179)
HSL	hsl(183, 69%, 42%)
HSV	hsv(183, 82%, 70%)
CMYK	cmyk(81.6%, 3.9%, 0%, 29.8%)
CIE-LAB	lab(64.23, -31.92, -13.67)
CIE-LCH	lch(64.23, 34.73, 203.18°)
OKLab	oklab(67.95% -0.1027 -0.038)
OKLCH	oklch(67.95% 0.11 200.3)
XYZ	xyz(23.5127, 33.0801, 47.7849)
Luminance	0.3308 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21ACB3 #B32821

analogous

#21B371 #21ACB3 #2163B3

triadic

#21ACB3 #B321AC #ACB321

tetradic

#21ACB3 #7121B3 #B32821 #63B321

square

#21ACB3 #7121B3 #B32821 #63B321

split-complementary

#21ACB3 #B32163 #B37121

monochromatic

#0E494C #177A7F #21ACB3 #37D2DA #6BDEE4

Accessibility & contrast

On white

2.76

#21ACB3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.62

#21ACB3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21ACB3

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21ACB3	#FFFFFF	#000000	##000000
##21ACB3	1.00	2.76	7.62	7.62
#FFFFFF	2.76	1.00	21.00	21.00
#000000	7.62	21.00	1.00	1.00
##000000	7.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EA4B4

Deuteranopia (green-blind)

#8B96B4

Tritanopia (blue-blind)

#00B3AE

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #21acb3;
/* rgb */ color: rgb(33, 172, 179);
/* oklch */ color: oklch(67.9% 0.110 200.3);

Tailwind

colors: {
  custom: {
    50: '#79c5c9',
    500: '#21acb3',
    950: '#000000',
  },
}

SCSS

$custom: #21acb3;
$custom-light: #79c5c9;
$custom-dark: #000000;

JSON

{
  "hex": "#21acb3",
  "rgb": {
    "r": 33,
    "g": 172,
    "b": 179
  },
  "hsl": {
    "h": 182.877,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.67948,
    "c": 0.10953,
    "h": 200.3
  },
  "luminance": 0.33083
}

Semantic roles & 50–950 ramp

primary

#21ACB3

secondary

#CA6B66

accent

#453CEC

background

#F8FCFC

surface

#EFF8F8

border

#CAD1D1

text

#0B1313

muted

#7C8282

Preview Lab

Preview with #21ACB3

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

Preview Lab → · Contrast checker → · Palette generator →