#21A4A9#21A4A9

#21A4A9 is a light, moderate teal. Relative luminance 0.297; OKLCH L 65.6% C 0.105 H 199.0°. Best body text is #000000 at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#21A4A9
RGB	rgb(33, 164, 169)
HSL	hsl(182, 67%, 40%)
HSV	hsv(182, 80%, 66%)
CMYK	cmyk(80.5%, 3%, 0%, 33.7%)
CIE-LAB	lab(61.43, -31.17, -12.28)
CIE-LCH	lch(61.43, 33.50, 201.50°)
OKLab	oklab(65.57% -0.0993 -0.0341)
OKLCH	oklch(65.57% 0.105 199)
XYZ	xyz(21.0608, 29.7362, 42.1581)
Luminance	0.2974 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A4A9 #A92621

analogous

#21A96A #21A4A9 #2160A9

triadic

#21A4A9 #A921A4 #A4A921

tetradic

#21A4A9 #6A21A9 #A92621 #60A921

square

#21A4A9 #6A21A9 #A92621 #60A921

split-complementary

#21A4A9 #A92160 #A96A21

monochromatic

#0D4143 #177276 #21A4A9 #31D1D7 #64DCE1

Accessibility & contrast

On white

3.02

#21A4A9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.95

#21A4A9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21A4A9

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A4A9	#FFFFFF	#000000	##000000
##21A4A9	1.00	3.02	6.95	6.95
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.95	21.00	1.00	1.00
##000000	6.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#989CAA

Deuteranopia (green-blind)

#858FAA

Tritanopia (blue-blind)

#00AAA5

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #21a4a9;
/* rgb */ color: rgb(33, 164, 169);
/* oklch */ color: oklch(65.6% 0.105 199.0);

Tailwind

colors: {
  custom: {
    50: '#77bfc2',
    500: '#21a4a9',
    950: '#000000',
  },
}

SCSS

$custom: #21a4a9;
$custom-light: #77bfc2;
$custom-dark: #000000;

JSON

{
  "hex": "#21a4a9",
  "rgb": {
    "r": 33,
    "g": 164,
    "b": 169
  },
  "hsl": {
    "h": 182.206,
    "s": 67.327,
    "l": 39.608
  },
  "oklch": {
    "l": 0.65567,
    "c": 0.10505,
    "h": 199
  },
  "luminance": 0.29739
}

Semantic roles & 50–950 ramp

primary

#21A4A9

secondary

#C66460

accent

#443EEA

background

#F7FBFB

surface

#EEF7F7

border

#C9D0D0

text

#0A1212

muted

#7C8181

Preview Lab

Preview with #21A4A9

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

Preview Lab → · Contrast checker → · Palette generator →