#21ACBB#21ACBB

#21ACBB is a light, moderate teal. Relative luminance 0.334; OKLCH L 68.3% C 0.111 H 206.4°. Best body text is #000000 at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#21ACBB
RGB	rgb(33, 172, 187)
HSL	hsl(186, 70%, 43%)
HSV	hsv(186, 82%, 73%)
CMYK	cmyk(82.4%, 8%, 0%, 26.7%)
CIE-LAB	lab(64.49, -29.42, -17.72)
CIE-LCH	lch(64.49, 34.34, 211.06°)
OKLab	oklab(68.26% -0.0993 -0.0493)
OKLCH	oklch(68.26% 0.111 206.4)
XYZ	xyz(24.3454, 33.4131, 52.1703)
Luminance	0.3342 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21ACBB #BB3021

analogous

#21BB7D #21ACBB #215FBB

triadic

#21ACBB #BB21AC #ACBB21

tetradic

#21ACBB #7D21BB #BB3021 #5FBB21

square

#21ACBB #7D21BB #BB3021 #5FBB21

split-complementary

#21ACBB #BB215F #BB7D21

monochromatic

#0F4C53 #187C87 #21ACBB #3DCDDD #71DAE6

Accessibility & contrast

On white

2.73

#21ACBB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.68

#21ACBB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21ACBB

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21ACBB	#FFFFFF	#000000	##000000
##21ACBB	1.00	2.73	7.68	7.68
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.68	21.00	1.00	1.00
##000000	7.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CA5BC

Deuteranopia (green-blind)

#8896BB

Tritanopia (blue-blind)

#00B4B0

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #21acbb;
/* rgb */ color: rgb(33, 172, 187);
/* oklch */ color: oklch(68.3% 0.111 206.4);

Tailwind

colors: {
  custom: {
    50: '#7ac5cf',
    500: '#21acbb',
    950: '#000000',
  },
}

SCSS

$custom: #21acbb;
$custom-light: #7ac5cf;
$custom-dark: #000000;

JSON

{
  "hex": "#21acbb",
  "rgb": {
    "r": 33,
    "g": 172,
    "b": 187
  },
  "hsl": {
    "h": 185.844,
    "s": 70,
    "l": 43.137
  },
  "oklch": {
    "l": 0.68255,
    "c": 0.11086,
    "h": 206.4
  },
  "luminance": 0.33416
}

Semantic roles & 50–950 ramp

primary

#21ACBB

secondary

#CC756B

accent

#4C3BED

background

#F8FCFC

surface

#EFF8F9

border

#CAD1D2

text

#0B1313

muted

#7C8282

Preview Lab

Preview with #21ACBB

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

Preview Lab → · Contrast checker → · Palette generator →