#21BDB8#21BDB8

#21BDB8 is a light, moderate teal. Relative luminance 0.402; OKLCH L 72.4% C 0.119 H 191.4°. Best body text is #000000 at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#21BDB8
RGB	rgb(33, 189, 184)
HSL	hsl(178, 70%, 44%)
HSV	hsv(178, 83%, 74%)
CMYK	cmyk(82.5%, 0%, 2.6%, 25.9%)
CIE-LAB	lab(69.59, -38.35, -8.40)
CIE-LCH	lch(69.59, 39.26, 192.35°)
OKLab	oklab(72.36% -0.1168 -0.0235)
OKLCH	oklch(72.36% 0.119 191.4)
XYZ	xyz(27.4724, 40.1757, 51.6449)
Luminance	0.4018 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21BDB8 #BD2126

analogous

#21BD6A #21BDB8 #2174BD

triadic

#21BDB8 #B821BD #BDB821

tetradic

#21BDB8 #6A21BD #BD2126 #74BD21

square

#21BDB8 #6A21BD #BD2126 #74BD21

split-complementary

#21BDB8 #BD2174 #BD6A21

monochromatic

#0F5553 #188985 #21BDB8 #3EDDD8 #72E6E3

Accessibility & contrast

On white

2.32

#21BDB8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.04

#21BDB8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BDB8

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21BDB8	#FFFFFF	#000000	##000000
##21BDB8	1.00	2.32	9.04	9.04
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.04	21.00	1.00	1.00
##000000	9.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1B3B8

Deuteranopia (green-blind)

#9CA4B9

Tritanopia (blue-blind)

#00C3BB

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #21bdb8;
/* rgb */ color: rgb(33, 189, 184);
/* oklch */ color: oklch(72.4% 0.119 191.4);

Tailwind

colors: {
  custom: {
    50: '#7cd1cd',
    500: '#21bdb8',
    950: '#000000',
  },
}

SCSS

$custom: #21bdb8;
$custom-light: #7cd1cd;
$custom-dark: #000000;

JSON

{
  "hex": "#21bdb8",
  "rgb": {
    "r": 33,
    "g": 189,
    "b": 184
  },
  "hsl": {
    "h": 178.077,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.72365,
    "c": 0.11914,
    "h": 191.4
  },
  "luminance": 0.40179
}

Semantic roles & 50–950 ramp

primary

#21BDB8

secondary

#CD6D70

accent

#3B40ED

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0B1413

muted

#7C8282

Preview Lab

Preview with #21BDB8

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

Preview Lab → · Contrast checker → · Palette generator →