#21B1CA#21B1CA

#21B1CA is a light, moderate teal. Relative luminance 0.360; OKLCH L 70.1% C 0.117 H 213.2°. Best body text is #000000 at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#21B1CA
RGB	rgb(33, 177, 202)
HSL	hsl(189, 72%, 46%)
HSV	hsv(189, 84%, 79%)
CMYK	cmyk(83.7%, 12.4%, 0%, 20.8%)
CIE-LAB	lab(66.54, -27.08, -22.92)
CIE-LCH	lch(66.54, 35.47, 220.24°)
OKLab	oklab(70.08% -0.0978 -0.064)
OKLCH	oklch(70.08% 0.117 213.2)
XYZ	xyz(27.0054, 36.0284, 61.3965)
Luminance	0.3603 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B1CA #CA3A21

analogous

#21CA8E #21B1CA #215CCA

triadic

#21B1CA #CA21B1 #B1CA21

tetradic

#21B1CA #8E21CA #CA3A21 #5CCA21

square

#21B1CA #8E21CA #CA3A21 #5CCA21

split-complementary

#21B1CA #CA215C #CA8E21

monochromatic

#105561 #188395 #21B1CA #47CAE1 #7CD9EA

Accessibility & contrast

On white

2.56

#21B1CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.21

#21B1CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B1CA

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B1CA	#FFFFFF	#000000	##000000
##21B1CA	1.00	2.56	8.21	8.21
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.21	21.00	1.00	1.00
##000000	8.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EABCB

Deuteranopia (green-blind)

#899BCA

Tritanopia (blue-blind)

#00BBB9

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #21b1ca;
/* rgb */ color: rgb(33, 177, 202);
/* oklch */ color: oklch(70.1% 0.117 213.2);

Tailwind

colors: {
  custom: {
    50: '#7dc8da',
    500: '#21b1ca',
    950: '#000000',
  },
}

SCSS

$custom: #21b1ca;
$custom-light: #7dc8da;
$custom-dark: #000000;

JSON

{
  "hex": "#21b1ca",
  "rgb": {
    "r": 33,
    "g": 177,
    "b": 202
  },
  "hsl": {
    "h": 188.876,
    "s": 71.915,
    "l": 46.078
  },
  "oklch": {
    "l": 0.70085,
    "c": 0.11687,
    "h": 213.2
  },
  "luminance": 0.36032
}

Semantic roles & 50–950 ramp

primary

#21B1CA

secondary

#D28375

accent

#5439EF

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1314

muted

#7D8283

Preview Lab

Preview with #21B1CA

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

Preview Lab → · Contrast checker → · Palette generator →