#21A5A8#21A5A8

#21A5A8 is a light, moderate teal. Relative luminance 0.301; OKLCH L 65.8% C 0.106 H 197.3°. Best body text is #000000 at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#21A5A8
RGB	rgb(33, 165, 168)
HSL	hsl(181, 67%, 39%)
HSV	hsv(181, 80%, 66%)
CMYK	cmyk(80.4%, 1.8%, 0%, 34.1%)
CIE-LAB	lab(61.70, -31.96, -11.30)
CIE-LCH	lch(61.70, 33.90, 199.47°)
OKLab	oklab(65.78% -0.1008 -0.0314)
OKLCH	oklch(65.78% 0.106 197.3)
XYZ	xyz(21.1470, 30.0581, 41.7254)
Luminance	0.3006 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A5A8 #A82421

analogous

#21A867 #21A5A8 #2162A8

triadic

#21A5A8 #A821A5 #A5A821

tetradic

#21A5A8 #6721A8 #A82421 #62A821

square

#21A5A8 #6721A8 #A82421 #62A821

split-complementary

#21A5A8 #A82162 #A86721

monochromatic

#0D4142 #177375 #21A5A8 #30D3D6 #63DEE0

Accessibility & contrast

On white

2.99

#21A5A8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.01

#21A5A8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21A5A8

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A5A8	#FFFFFF	#000000	##000000
##21A5A8	1.00	2.99	7.01	7.01
#FFFFFF	2.99	1.00	21.00	21.00
#000000	7.01	21.00	1.00	1.00
##000000	7.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#999DA8

Deuteranopia (green-blind)

#868FA9

Tritanopia (blue-blind)

#00ABA6

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #21a5a8;
/* rgb */ color: rgb(33, 165, 168);
/* oklch */ color: oklch(65.8% 0.106 197.3);

Tailwind

colors: {
  custom: {
    50: '#77c0c1',
    500: '#21a5a8',
    950: '#000000',
  },
}

SCSS

$custom: #21a5a8;
$custom-light: #77c0c1;
$custom-dark: #000000;

JSON

{
  "hex": "#21a5a8",
  "rgb": {
    "r": 33,
    "g": 165,
    "b": 168
  },
  "hsl": {
    "h": 181.333,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.65783,
    "c": 0.10556,
    "h": 197.3
  },
  "luminance": 0.30061
}

Semantic roles & 50–950 ramp

primary

#21A5A8

secondary

#C5625F

accent

#423EEA

background

#F7FBFB

surface

#EEF7F7

border

#C9D0D0

text

#0A1212

muted

#7C8181

Preview Lab

Preview with #21A5A8

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

Preview Lab → · Contrast checker → · Palette generator →