#21A5B0#21A5B0

#21A5B0 is a light, moderate teal. Relative luminance 0.304; OKLCH L 66.1% C 0.106 H 203.8°. Best body text is #000000 at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#21A5B0
RGB	rgb(33, 165, 176)
HSL	hsl(185, 68%, 41%)
HSV	hsv(185, 81%, 69%)
CMYK	cmyk(81.3%, 6.2%, 0%, 31%)
CIE-LAB	lab(61.97, -29.47, -15.39)
CIE-LCH	lch(61.97, 33.25, 207.58°)
OKLab	oklab(66.08% -0.0973 -0.0428)
OKLCH	oklch(66.08% 0.106 203.8)
XYZ	xyz(21.9153, 30.3654, 45.7719)
Luminance	0.3037 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A5B0 #B02C21

analogous

#21B073 #21A5B0 #215EB0

triadic

#21A5B0 #B021A5 #A5B021

tetradic

#21A5B0 #7321B0 #B02C21 #5EB021

square

#21A5B0 #7321B0 #B02C21 #5EB021

split-complementary

#21A5B0 #B0215E #B07321

monochromatic

#0E4449 #17757C #21A5B0 #35CDD9 #69D9E3

Accessibility & contrast

On white

2.97

#21A5B0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.07

#21A5B0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21A5B0

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A5B0	#FFFFFF	#000000	##000000
##21A5B0	1.00	2.97	7.07	7.07
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.07	21.00	1.00	1.00
##000000	7.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#979EB1

Deuteranopia (green-blind)

#8490B0

Tritanopia (blue-blind)

#00ACA8

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #21a5b0;
/* rgb */ color: rgb(33, 165, 176);
/* oklch */ color: oklch(66.1% 0.106 203.8);

Tailwind

colors: {
  custom: {
    50: '#78c0c7',
    500: '#21a5b0',
    950: '#000000',
  },
}

SCSS

$custom: #21a5b0;
$custom-light: #78c0c7;
$custom-dark: #000000;

JSON

{
  "hex": "#21a5b0",
  "rgb": {
    "r": 33,
    "g": 165,
    "b": 176
  },
  "hsl": {
    "h": 184.615,
    "s": 68.421,
    "l": 40.98
  },
  "oklch": {
    "l": 0.66084,
    "c": 0.10627,
    "h": 203.8
  },
  "luminance": 0.30368
}

Semantic roles & 50–950 ramp

primary

#21A5B0

secondary

#C86C64

accent

#4A3DEB

background

#F8FBFC

surface

#EFF7F8

border

#CAD0D1

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #21A5B0

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

Preview Lab → · Contrast checker → · Palette generator →