#21ADB0#21ADB0

#21ADB0 is a light, moderate teal. Relative luminance 0.333; OKLCH L 68.1% C 0.110 H 197.2°. Best body text is #000000 at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#21ADB0
RGB	rgb(33, 173, 176)
HSL	hsl(181, 68%, 41%)
HSV	hsv(181, 81%, 69%)
CMYK	cmyk(81.3%, 1.7%, 0%, 31%)
CIE-LAB	lab(64.44, -33.32, -11.68)
CIE-LCH	lch(64.44, 35.31, 199.31°)
OKLab	oklab(68.09% -0.105 -0.0325)
OKLCH	oklch(68.09% 0.11 197.2)
XYZ	xyz(23.4036, 33.3421, 46.2681)
Luminance	0.3335 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21ADB0 #B02421

analogous

#21B06B #21ADB0 #2165B0

triadic

#21ADB0 #B021AD #ADB021

tetradic

#21ADB0 #6B21B0 #B02421 #65B021

square

#21ADB0 #6B21B0 #B02421 #65B021

split-complementary

#21ADB0 #B02165 #B06B21

monochromatic

#0E4849 #177A7C #21ADB0 #35D6D9 #69E0E3

Accessibility & contrast

On white

2.74

#21ADB0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.67

#21ADB0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21ADB0

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21ADB0	#FFFFFF	#000000	##000000
##21ADB0	1.00	2.74	7.67	7.67
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.67	21.00	1.00	1.00
##000000	7.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0A4B0

Deuteranopia (green-blind)

#8D96B1

Tritanopia (blue-blind)

#00B3AE

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #21adb0;
/* rgb */ color: rgb(33, 173, 176);
/* oklch */ color: oklch(68.1% 0.110 197.2);

Tailwind

colors: {
  custom: {
    50: '#79c6c7',
    500: '#21adb0',
    950: '#000000',
  },
}

SCSS

$custom: #21adb0;
$custom-light: #79c6c7;
$custom-dark: #000000;

JSON

{
  "hex": "#21adb0",
  "rgb": {
    "r": 33,
    "g": 173,
    "b": 176
  },
  "hsl": {
    "h": 181.259,
    "s": 68.421,
    "l": 40.98
  },
  "oklch": {
    "l": 0.68087,
    "c": 0.10992,
    "h": 197.2
  },
  "luminance": 0.33345
}

Semantic roles & 50–950 ramp

primary

#21ADB0

secondary

#C86664

accent

#403DEB

background

#F8FCFC

surface

#EFF8F8

border

#CAD1D1

text

#0B1313

muted

#7C8282

Preview Lab

Preview with #21ADB0

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

Preview Lab → · Contrast checker → · Palette generator →