#21AAA3#21AAA3

#21AAA3 is a light, moderate teal. Relative luminance 0.317; OKLCH L 66.9% C 0.109 H 189.4°. Best body text is #000000 at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#21AAA3
RGB	rgb(33, 170, 163)
HSL	hsl(177, 67%, 40%)
HSV	hsv(177, 81%, 67%)
CMYK	cmyk(80.6%, 0%, 4.1%, 33.3%)
CIE-LAB	lab(63.11, -35.81, -6.40)
CIE-LCH	lch(63.11, 36.37, 190.14°)
OKLab	oklab(66.87% -0.1079 -0.018)
OKLCH	oklch(66.87% 0.109 189.4)
XYZ	xyz(21.6096, 31.7144, 39.6258)
Luminance	0.3172 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21AAA3 #AA2128

analogous

#21AA5E #21AAA3 #216DAA

triadic

#21AAA3 #A321AA #AAA321

tetradic

#21AAA3 #5E21AA #AA2128 #6DAA21

square

#21AAA3 #5E21AA #AA2128 #6DAA21

split-complementary

#21AAA3 #AA216D #AA5E21

monochromatic

#0D4341 #177772 #21AAA3 #31D7CF #64E1DB

Accessibility & contrast

On white

2.86

#21AAA3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.34

#21AAA3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21AAA3

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21AAA3	#FFFFFF	#000000	##000000
##21AAA3	1.00	2.86	7.34	7.34
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.34	21.00	1.00	1.00
##000000	7.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0A1A3

Deuteranopia (green-blind)

#8D93A4

Tritanopia (blue-blind)

#00AFA8

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #21aaa3;
/* rgb */ color: rgb(33, 170, 163);
/* oklch */ color: oklch(66.9% 0.109 189.4);

Tailwind

colors: {
  custom: {
    50: '#77c4be',
    500: '#21aaa3',
    950: '#000000',
  },
}

SCSS

$custom: #21aaa3;
$custom-light: #77c4be;
$custom-dark: #000000;

JSON

{
  "hex": "#21aaa3",
  "rgb": {
    "r": 33,
    "g": 170,
    "b": 163
  },
  "hsl": {
    "h": 176.934,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.66872,
    "c": 0.10943,
    "h": 189.4
  },
  "luminance": 0.31717
}

Semantic roles & 50–950 ramp

primary

#21AAA3

secondary

#C66166

accent

#3D46EA

background

#F8FCFB

surface

#EFF8F6

border

#CAD1D0

text

#0A1312

muted

#7C8281

Preview Lab

Preview with #21AAA3

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

Preview Lab → · Contrast checker → · Palette generator →