#21BDB4#21BDB4

#21BDB4 is a light, moderate teal. Relative luminance 0.400; OKLCH L 72.2% C 0.120 H 188.6°. Best body text is #000000 at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#21BDB4
RGB	rgb(33, 189, 180)
HSL	hsl(177, 70%, 44%)
HSV	hsv(177, 83%, 74%)
CMYK	cmyk(82.5%, 0%, 4.8%, 25.9%)
CIE-LAB	lab(69.48, -39.51, -6.38)
CIE-LCH	lch(69.48, 40.02, 189.17°)
OKLab	oklab(72.23% -0.1186 -0.0179)
OKLCH	oklch(72.23% 0.12 188.6)
XYZ	xyz(27.0590, 40.0104, 49.4678)
Luminance	0.4001 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21BDB4 #BD212A

analogous

#21BD66 #21BDB4 #2178BD

triadic

#21BDB4 #B421BD #BDB421

tetradic

#21BDB4 #6621BD #BD212A #78BD21

square

#21BDB4 #6621BD #BD212A #78BD21

split-complementary

#21BDB4 #BD2178 #BD6621

monochromatic

#0F5551 #188982 #21BDB4 #3EDDD4 #72E6E0

Accessibility & contrast

On white

2.33

#21BDB4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.00

#21BDB4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BDB4

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21BDB4	#FFFFFF	#000000	##000000
##21BDB4	1.00	2.33	9.00	9.00
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.00	21.00	1.00	1.00
##000000	9.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2B2B4

Deuteranopia (green-blind)

#9DA3B5

Tritanopia (blue-blind)

#00C2BA

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #21bdb4;
/* rgb */ color: rgb(33, 189, 180);
/* oklch */ color: oklch(72.2% 0.120 188.6);

Tailwind

colors: {
  custom: {
    50: '#7cd1ca',
    500: '#21bdb4',
    950: '#000000',
  },
}

SCSS

$custom: #21bdb4;
$custom-light: #7cd1ca;
$custom-dark: #000000;

JSON

{
  "hex": "#21bdb4",
  "rgb": {
    "r": 33,
    "g": 189,
    "b": 180
  },
  "hsl": {
    "h": 176.538,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.7223,
    "c": 0.11996,
    "h": 188.6
  },
  "luminance": 0.40014
}

Semantic roles & 50–950 ramp

primary

#21BDB4

secondary

#CD6D72

accent

#3B45ED

background

#F8FCFC

surface

#F0F9F8

border

#CBD2D1

text

#0B1413

muted

#7C8282

Preview Lab

Preview with #21BDB4

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

Preview Lab → · Contrast checker → · Palette generator →