#21B3CA#21B3CA

#21B3CA is a light, moderate teal. Relative luminance 0.368; OKLCH L 70.6% C 0.117 H 211.6°. Best body text is #000000 at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#21B3CA
RGB	rgb(33, 179, 202)
HSL	hsl(188, 72%, 46%)
HSV	hsv(188, 84%, 79%)
CMYK	cmyk(83.7%, 11.4%, 0%, 20.8%)
CIE-LAB	lab(67.14, -28.07, -22.00)
CIE-LCH	lch(67.14, 35.66, 218.08°)
OKLab	oklab(70.57% -0.0996 -0.0614)
OKLCH	oklch(70.57% 0.117 211.6)
XYZ	xyz(27.4033, 36.8243, 61.5292)
Luminance	0.3683 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B3CA #CA3821

analogous

#21CA8C #21B3CA #215ECA

triadic

#21B3CA #CA21B3 #B3CA21

tetradic

#21B3CA #8C21CA #CA3821 #5ECA21

square

#21B3CA #8C21CA #CA3821 #5ECA21

split-complementary

#21B3CA #CA215E #CA8C21

monochromatic

#105661 #188495 #21B3CA #47CCE1 #7CDBEA

Accessibility & contrast

On white

2.51

#21B3CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.37

#21B3CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B3CA

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B3CA	#FFFFFF	#000000	##000000
##21B3CA	1.00	2.51	8.37	8.37
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.37	21.00	1.00	1.00
##000000	8.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1ACCB

Deuteranopia (green-blind)

#8B9DCA

Tritanopia (blue-blind)

#00BCBA

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #21b3ca;
/* rgb */ color: rgb(33, 179, 202);
/* oklch */ color: oklch(70.6% 0.117 211.6);

Tailwind

colors: {
  custom: {
    50: '#7dcada',
    500: '#21b3ca',
    950: '#000000',
  },
}

SCSS

$custom: #21b3ca;
$custom-light: #7dcada;
$custom-dark: #000000;

JSON

{
  "hex": "#21b3ca",
  "rgb": {
    "r": 33,
    "g": 179,
    "b": 202
  },
  "hsl": {
    "h": 188.166,
    "s": 71.915,
    "l": 46.078
  },
  "oklch": {
    "l": 0.70573,
    "c": 0.11704,
    "h": 211.6
  },
  "luminance": 0.36828
}

Semantic roles & 50–950 ramp

primary

#21B3CA

secondary

#D28275

accent

#5239EF

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1314

muted

#7D8283

Preview Lab

Preview with #21B3CA

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

Preview Lab → · Contrast checker → · Palette generator →