#21A0BA#21A0BA

#21A0BA is a light, moderate cyan. Relative luminance 0.290; OKLCH L 65.2% C 0.109 H 215.8°. Best body text is #000000 at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#21A0BA
RGB	rgb(33, 160, 186)
HSL	hsl(190, 70%, 43%)
HSV	hsv(190, 82%, 73%)
CMYK	cmyk(82.3%, 14%, 0%, 27.1%)
CIE-LAB	lab(60.79, -23.72, -22.81)
CIE-LCH	lch(60.79, 32.91, 223.87°)
OKLab	oklab(65.25% -0.0883 -0.0637)
OKLCH	oklch(65.25% 0.109 215.8)
XYZ	xyz(22.0571, 29.0073, 50.8813)
Luminance	0.2901 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A0BA #BA3B21

analogous

#21BA87 #21A0BA #2153BA

triadic

#21A0BA #BA21A0 #A0BA21

tetradic

#21A0BA #8721BA #BA3B21 #53BA21

square

#21A0BA #8721BA #BA3B21 #53BA21

split-complementary

#21A0BA #BA2153 #BA8721

monochromatic

#0F4752 #187386 #21A0BA #3CC1DC #70D2E6

Accessibility & contrast

On white

3.09

#21A0BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.80

#21A0BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21A0BA

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A0BA	#FFFFFF	#000000	##000000
##21A0BA	1.00	3.09	6.80	6.80
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.80	21.00	1.00	1.00
##000000	6.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E9BBB

Deuteranopia (green-blind)

#7A8CBA

Tritanopia (blue-blind)

#00A9A8

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #21a0ba;
/* rgb */ color: rgb(33, 160, 186);
/* oklch */ color: oklch(65.2% 0.109 215.8);

Tailwind

colors: {
  custom: {
    50: '#79bcce',
    500: '#21a0ba',
    950: '#000000',
  },
}

SCSS

$custom: #21a0ba;
$custom-light: #79bcce;
$custom-dark: #000000;

JSON

{
  "hex": "#21a0ba",
  "rgb": {
    "r": 33,
    "g": 160,
    "b": 186
  },
  "hsl": {
    "h": 190.196,
    "s": 69.863,
    "l": 42.941
  },
  "oklch": {
    "l": 0.65249,
    "c": 0.10888,
    "h": 215.8
  },
  "luminance": 0.2901
}

Semantic roles & 50–950 ramp

primary

#21A0BA

secondary

#CC7B6B

accent

#593BED

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #21A0BA

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

Preview Lab → · Contrast checker → · Palette generator →