#21A4A0#21A4A0

#21A4A0 is a light, moderate teal. Relative luminance 0.294; OKLCH L 65.2% C 0.106 H 191.6°. Best body text is #000000 at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#21A4A0
RGB	rgb(33, 164, 160)
HSL	hsl(178, 66%, 39%)
HSV	hsv(178, 80%, 64%)
CMYK	cmyk(79.9%, 0%, 2.4%, 35.7%)
CIE-LAB	lab(61.14, -33.90, -7.64)
CIE-LCH	lch(61.14, 34.75, 192.69°)
OKLab	oklab(65.24% -0.1034 -0.0213)
OKLCH	oklch(65.24% 0.106 191.6)
XYZ	xyz(20.2448, 29.4098, 37.8605)
Luminance	0.2941 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A4A0 #A42125

analogous

#21A45E #21A4A0 #2166A4

triadic

#21A4A0 #A021A4 #A4A021

tetradic

#21A4A0 #5E21A4 #A42125 #66A421

square

#21A4A0 #5E21A4 #A42125 #66A421

split-complementary

#21A4A0 #A42166 #A45E21

monochromatic

#0C3E3D #17716E #21A4A0 #2DD5D0 #60DFDB

Accessibility & contrast

On white

3.05

#21A4A0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.88

#21A4A0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21A4A0

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A4A0	#FFFFFF	#000000	##000000
##21A4A0	1.00	3.05	6.88	6.88
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.88	21.00	1.00	1.00
##000000	6.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9A9BA0

Deuteranopia (green-blind)

#888EA1

Tritanopia (blue-blind)

#00A9A2

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #21a4a0;
/* rgb */ color: rgb(33, 164, 160);
/* oklch */ color: oklch(65.2% 0.106 191.6);

Tailwind

colors: {
  custom: {
    50: '#76bfbc',
    500: '#21a4a0',
    950: '#000000',
  },
}

SCSS

$custom: #21a4a0;
$custom-light: #76bfbc;
$custom-dark: #000000;

JSON

{
  "hex": "#21a4a0",
  "rgb": {
    "r": 33,
    "g": 164,
    "b": 160
  },
  "hsl": {
    "h": 178.168,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.65242,
    "c": 0.10558,
    "h": 191.6
  },
  "luminance": 0.29412
}

Semantic roles & 50–950 ramp

primary

#21A4A0

secondary

#C45D60

accent

#3E44E9

background

#F7FBFB

surface

#EEF7F6

border

#C9D0D0

text

#0A1212

muted

#7C8181

Preview Lab

Preview with #21A4A0

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

Preview Lab → · Contrast checker → · Palette generator →