#21A4A3#21A4A3

#21A4A3 is a light, moderate teal. Relative luminance 0.295; OKLCH L 65.3% C 0.105 H 194.1°. Best body text is #000000 at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#21A4A3
RGB	rgb(33, 164, 163)
HSL	hsl(180, 66%, 39%)
HSV	hsv(180, 80%, 64%)
CMYK	cmyk(79.9%, 0%, 0.6%, 35.7%)
CIE-LAB	lab(61.23, -33.00, -9.19)
CIE-LCH	lch(61.23, 34.26, 195.56°)
OKLab	oklab(65.35% -0.102 -0.0256)
OKLCH	oklch(65.35% 0.105 194.1)
XYZ	xyz(20.5104, 29.5160, 39.2594)
Luminance	0.2952 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A4A3 #A42122

analogous

#21A461 #21A4A3 #2163A4

triadic

#21A4A3 #A321A4 #A4A321

tetradic

#21A4A3 #6121A4 #A42122 #63A421

square

#21A4A3 #6121A4 #A42122 #63A421

split-complementary

#21A4A3 #A42163 #A46121

monochromatic

#0C3E3E #177170 #21A4A3 #2DD5D4 #60DFDE

Accessibility & contrast

On white

3.04

#21A4A3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.90

#21A4A3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21A4A3

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A4A3	#FFFFFF	#000000	##000000
##21A4A3	1.00	3.04	6.90	6.90
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.90	21.00	1.00	1.00
##000000	6.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#999BA3

Deuteranopia (green-blind)

#878EA4

Tritanopia (blue-blind)

#00A9A3

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #21a4a3;
/* rgb */ color: rgb(33, 164, 163);
/* oklch */ color: oklch(65.3% 0.105 194.1);

Tailwind

colors: {
  custom: {
    50: '#76bfbe',
    500: '#21a4a3',
    950: '#000000',
  },
}

SCSS

$custom: #21a4a3;
$custom-light: #76bfbe;
$custom-dark: #000000;

JSON

{
  "hex": "#21a4a3",
  "rgb": {
    "r": 33,
    "g": 164,
    "b": 163
  },
  "hsl": {
    "h": 179.542,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.65348,
    "c": 0.10521,
    "h": 194.1
  },
  "luminance": 0.29519
}

Semantic roles & 50–950 ramp

primary

#21A4A3

secondary

#C45D5E

accent

#3E40E9

background

#F7FBFB

surface

#EEF7F6

border

#C9D0D0

text

#0A1212

muted

#7C8181

Preview Lab

Preview with #21A4A3

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

Preview Lab → · Contrast checker → · Palette generator →