#21ABB0#21ABB0

#21ABB0 is a light, moderate teal. Relative luminance 0.326; OKLCH L 67.6% C 0.109 H 198.8°. Best body text is #000000 at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#21ABB0
RGB	rgb(33, 171, 176)
HSL	hsl(182, 68%, 41%)
HSV	hsv(182, 81%, 69%)
CMYK	cmyk(81.3%, 2.8%, 0%, 31%)
CIE-LAB	lab(63.82, -32.37, -12.60)
CIE-LCH	lch(63.82, 34.74, 201.27°)
OKLab	oklab(67.59% -0.1031 -0.035)
OKLCH	oklch(67.59% 0.109 198.8)
XYZ	xyz(23.0230, 32.5808, 46.1412)
Luminance	0.3258 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21ABB0 #B02621

analogous

#21B06D #21ABB0 #2163B0

triadic

#21ABB0 #B021AB #ABB021

tetradic

#21ABB0 #6D21B0 #B02621 #63B021

square

#21ABB0 #6D21B0 #B02621 #63B021

split-complementary

#21ABB0 #B02163 #B06D21

monochromatic

#0E4749 #17797C #21ABB0 #35D3D9 #69DFE3

Accessibility & contrast

On white

2.79

#21ABB0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.52

#21ABB0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21ABB0

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21ABB0	#FFFFFF	#000000	##000000
##21ABB0	1.00	2.79	7.52	7.52
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.52	21.00	1.00	1.00
##000000	7.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EA3B1

Deuteranopia (green-blind)

#8B95B1

Tritanopia (blue-blind)

#00B1AC

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #21abb0;
/* rgb */ color: rgb(33, 171, 176);
/* oklch */ color: oklch(67.6% 0.109 198.8);

Tailwind

colors: {
  custom: {
    50: '#79c4c7',
    500: '#21abb0',
    950: '#000000',
  },
}

SCSS

$custom: #21abb0;
$custom-light: #79c4c7;
$custom-dark: #000000;

JSON

{
  "hex": "#21abb0",
  "rgb": {
    "r": 33,
    "g": 171,
    "b": 176
  },
  "hsl": {
    "h": 182.098,
    "s": 68.421,
    "l": 40.98
  },
  "oklch": {
    "l": 0.67586,
    "c": 0.10887,
    "h": 198.8
  },
  "luminance": 0.32584
}

Semantic roles & 50–950 ramp

primary

#21ABB0

secondary

#C86864

accent

#433DEB

background

#F8FCFC

surface

#EFF8F8

border

#CAD1D1

text

#0B1313

muted

#7C8282

Preview Lab

Preview with #21ABB0

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

Preview Lab → · Contrast checker → · Palette generator →