#21B9C2#21B9C2

#21B9C2 is a light, moderate teal. Relative luminance 0.389; OKLCH L 71.7% C 0.117 H 201.3°. Best body text is #000000 at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#21B9C2
RGB	rgb(33, 185, 194)
HSL	hsl(183, 71%, 45%)
HSV	hsv(183, 83%, 76%)
CMYK	cmyk(83%, 4.6%, 0%, 23.9%)
CIE-LAB	lab(68.69, -33.50, -15.25)
CIE-LCH	lch(68.69, 36.80, 204.48°)
OKLab	oklab(71.73% -0.1086 -0.0424)
OKLCH	oklch(71.73% 0.117 201.3)
XYZ	xyz(27.7093, 38.9127, 57.0790)
Luminance	0.3892 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B9C2 #C22A21

analogous

#21C27B #21B9C2 #2169C2

triadic

#21B9C2 #C221B9 #B9C221

tetradic

#21B9C2 #7B21C2 #C22A21 #69C221

square

#21B9C2 #7B21C2 #C22A21 #69C221

split-complementary

#21B9C2 #C22169 #C27B21

monochromatic

#0F5559 #18878E #21B9C2 #41D6DF #76E1E8

Accessibility & contrast

On white

2.39

#21B9C2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.78

#21B9C2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B9C2

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B9C2	#FFFFFF	#000000	##000000
##21B9C2	1.00	2.39	8.78	8.78
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.78	21.00	1.00	1.00
##000000	8.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAB0C3

Deuteranopia (green-blind)

#95A1C3

Tritanopia (blue-blind)

#00C0BB

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #21b9c2;
/* rgb */ color: rgb(33, 185, 194);
/* oklch */ color: oklch(71.7% 0.117 201.3);

Tailwind

colors: {
  custom: {
    50: '#7dced4',
    500: '#21b9c2',
    950: '#000000',
  },
}

SCSS

$custom: #21b9c2;
$custom-light: #7dced4;
$custom-dark: #000000;

JSON

{
  "hex": "#21b9c2",
  "rgb": {
    "r": 33,
    "g": 185,
    "b": 194
  },
  "hsl": {
    "h": 183.354,
    "s": 70.925,
    "l": 44.51
  },
  "oklch": {
    "l": 0.71731,
    "c": 0.11661,
    "h": 201.3
  },
  "luminance": 0.38916
}

Semantic roles & 50–950 ramp

primary

#21B9C2

secondary

#CF7570

accent

#443AEE

background

#F8FCFD

surface

#F0F9FA

border

#CBD2D3

text

#0C1414

muted

#7D8283

Preview Lab

Preview with #21B9C2

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

Preview Lab → · Contrast checker → · Palette generator →