#21AEB3#21AEB3

#21AEB3 is a light, moderate teal. Relative luminance 0.339; OKLCH L 68.4% C 0.110 H 198.7°. Best body text is #000000 at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#21AEB3
RGB	rgb(33, 174, 179)
HSL	hsl(182, 69%, 42%)
HSV	hsv(182, 82%, 70%)
CMYK	cmyk(81.6%, 2.8%, 0%, 29.8%)
CIE-LAB	lab(64.84, -32.88, -12.74)
CIE-LCH	lch(64.84, 35.26, 201.18°)
OKLab	oklab(68.45% -0.1046 -0.0354)
OKLCH	oklch(68.45% 0.11 198.7)
XYZ	xyz(23.8962, 33.8471, 47.9128)
Luminance	0.3385 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21AEB3 #B32621

analogous

#21B36F #21AEB3 #2165B3

triadic

#21AEB3 #B321AE #AEB321

tetradic

#21AEB3 #6F21B3 #B32621 #65B321

square

#21AEB3 #6F21B3 #B32621 #65B321

split-complementary

#21AEB3 #B32165 #B36F21

monochromatic

#0E4A4C #177C7F #21AEB3 #37D5DA #6BE0E4

Accessibility & contrast

On white

2.70

#21AEB3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.77

#21AEB3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21AEB3

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21AEB3	#FFFFFF	#000000	##000000
##21AEB3	1.00	2.70	7.77	7.77
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.77	21.00	1.00	1.00
##000000	7.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1A6B4

Deuteranopia (green-blind)

#8D97B4

Tritanopia (blue-blind)

#00B5AF

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #21aeb3;
/* rgb */ color: rgb(33, 174, 179);
/* oklch */ color: oklch(68.4% 0.110 198.7);

Tailwind

colors: {
  custom: {
    50: '#79c6c9',
    500: '#21aeb3',
    950: '#000000',
  },
}

SCSS

$custom: #21aeb3;
$custom-light: #79c6c9;
$custom-dark: #000000;

JSON

{
  "hex": "#21aeb3",
  "rgb": {
    "r": 33,
    "g": 174,
    "b": 179
  },
  "hsl": {
    "h": 182.055,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.68447,
    "c": 0.11048,
    "h": 198.7
  },
  "luminance": 0.3385
}

Semantic roles & 50–950 ramp

primary

#21AEB3

secondary

#CA6A66

accent

#423CEC

background

#F8FCFC

surface

#EFF8F8

border

#CAD1D1

text

#0B1313

muted

#7C8282

Preview Lab

Preview with #21AEB3

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

Preview Lab → · Contrast checker → · Palette generator →