#21A8A5#21A8A5

#21A8A5 is a light, moderate teal. Relative luminance 0.310; OKLCH L 66.4% C 0.108 H 192.5°. Best body text is #000000 at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#21A8A5
RGB	rgb(33, 168, 165)
HSL	hsl(179, 67%, 39%)
HSV	hsv(179, 80%, 66%)
CMYK	cmyk(80.4%, 0%, 1.8%, 34.1%)
CIE-LAB	lab(62.54, -34.28, -8.36)
CIE-LCH	lch(62.54, 35.29, 193.70°)
OKLab	oklab(66.43% -0.1051 -0.0233)
OKLCH	oklch(66.43% 0.108 192.5)
XYZ	xyz(21.4182, 31.0425, 40.4530)
Luminance	0.3105 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A8A5 #A82124

analogous

#21A862 #21A8A5 #2167A8

triadic

#21A8A5 #A521A8 #A8A521

tetradic

#21A8A5 #6221A8 #A82124 #67A821

square

#21A8A5 #6221A8 #A82124 #67A821

split-complementary

#21A8A5 #A82167 #A86221

monochromatic

#0D4241 #177573 #21A8A5 #30D6D3 #63E0DE

Accessibility & contrast

On white

2.91

#21A8A5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.21

#21A8A5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21A8A5

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A8A5	#FFFFFF	#000000	##000000
##21A8A5	1.00	2.91	7.21	7.21
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.21	21.00	1.00	1.00
##000000	7.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9D9FA5

Deuteranopia (green-blind)

#8B92A6

Tritanopia (blue-blind)

#00ADA7

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #21a8a5;
/* rgb */ color: rgb(33, 168, 165);
/* oklch */ color: oklch(66.4% 0.108 192.5);

Tailwind

colors: {
  custom: {
    50: '#77c2bf',
    500: '#21a8a5',
    950: '#000000',
  },
}

SCSS

$custom: #21a8a5;
$custom-light: #77c2bf;
$custom-dark: #000000;

JSON

{
  "hex": "#21a8a5",
  "rgb": {
    "r": 33,
    "g": 168,
    "b": 165
  },
  "hsl": {
    "h": 178.667,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.66434,
    "c": 0.10764,
    "h": 192.5
  },
  "luminance": 0.31045
}

Semantic roles & 50–950 ramp

primary

#21A8A5

secondary

#C55F62

accent

#3E42EA

background

#F8FCFB

surface

#EFF8F7

border

#CAD1D0

text

#0A1212

muted

#7C8181

Preview Lab

Preview with #21A8A5

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

Preview Lab → · Contrast checker → · Palette generator →