#21A4A8#21A4A8

#21A4A8 is a light, moderate teal. Relative luminance 0.297; OKLCH L 65.5% C 0.105 H 198.1°. Best body text is #000000 at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#21A4A8
RGB	rgb(33, 164, 168)
HSL	hsl(182, 67%, 39%)
HSV	hsv(182, 80%, 66%)
CMYK	cmyk(80.4%, 2.4%, 0%, 34.1%)
CIE-LAB	lab(61.39, -31.48, -11.76)
CIE-LCH	lch(61.39, 33.60, 200.49°)
OKLab	oklab(65.53% -0.0998 -0.0327)
OKLCH	oklch(65.53% 0.105 198.1)
XYZ	xyz(20.9673, 29.6988, 41.6656)
Luminance	0.2970 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A4A8 #A82521

analogous

#21A869 #21A4A8 #2161A8

triadic

#21A4A8 #A821A4 #A4A821

tetradic

#21A4A8 #6921A8 #A82521 #61A821

square

#21A4A8 #6921A8 #A82521 #61A821

split-complementary

#21A4A8 #A82161 #A86921

monochromatic

#0D4042 #177275 #21A4A8 #30D1D6 #63DDE0

Accessibility & contrast

On white

3.03

#21A4A8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.94

#21A4A8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21A4A8

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A4A8	#FFFFFF	#000000	##000000
##21A4A8	1.00	3.03	6.94	6.94
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.94	21.00	1.00	1.00
##000000	6.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#989CA8

Deuteranopia (green-blind)

#858EA9

Tritanopia (blue-blind)

#00AAA5

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #21a4a8;
/* rgb */ color: rgb(33, 164, 168);
/* oklch */ color: oklch(65.5% 0.105 198.1);

Tailwind

colors: {
  custom: {
    50: '#77bfc1',
    500: '#21a4a8',
    950: '#000000',
  },
}

SCSS

$custom: #21a4a8;
$custom-light: #77bfc1;
$custom-dark: #000000;

JSON

{
  "hex": "#21a4a8",
  "rgb": {
    "r": 33,
    "g": 164,
    "b": 168
  },
  "hsl": {
    "h": 181.778,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.6553,
    "c": 0.10502,
    "h": 198.1
  },
  "luminance": 0.29701
}

Semantic roles & 50–950 ramp

primary

#21A4A8

secondary

#C5625F

accent

#433EEA

background

#F7FBFB

surface

#EEF7F7

border

#C9D0D0

text

#0A1212

muted

#7C8181

Preview Lab

Preview with #21A4A8

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

Preview Lab → · Contrast checker → · Palette generator →