#21ABB3#21ABB3

#21ABB3 is a light, moderate teal. Relative luminance 0.327; OKLCH L 67.7% C 0.109 H 201.1°. Best body text is #000000 at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#21ABB3
RGB	rgb(33, 171, 179)
HSL	hsl(183, 69%, 42%)
HSV	hsv(183, 82%, 70%)
CMYK	cmyk(81.6%, 4.5%, 0%, 29.8%)
CIE-LAB	lab(63.92, -31.44, -14.13)
CIE-LCH	lch(63.92, 34.47, 204.20°)
OKLab	oklab(67.7% -0.1018 -0.0393)
OKLCH	oklch(67.7% 0.109 201.1)
XYZ	xyz(23.3231, 32.7009, 47.7217)
Luminance	0.3270 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21ABB3 #B32921

analogous

#21B372 #21ABB3 #2162B3

triadic

#21ABB3 #B321AB #ABB321

tetradic

#21ABB3 #7221B3 #B32921 #62B321

square

#21ABB3 #7221B3 #B32921 #62B321

split-complementary

#21ABB3 #B32162 #B37221

monochromatic

#0E484C #177A7F #21ABB3 #37D1DA #6BDDE4

Accessibility & contrast

On white

2.78

#21ABB3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.54

#21ABB3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21ABB3

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21ABB3	#FFFFFF	#000000	##000000
##21ABB3	1.00	2.78	7.54	7.54
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.54	21.00	1.00	1.00
##000000	7.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DA3B4

Deuteranopia (green-blind)

#8A95B4

Tritanopia (blue-blind)

#00B2AD

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #21abb3;
/* rgb */ color: rgb(33, 171, 179);
/* oklch */ color: oklch(67.7% 0.109 201.1);

Tailwind

colors: {
  custom: {
    50: '#79c4c9',
    500: '#21abb3',
    950: '#000000',
  },
}

SCSS

$custom: #21abb3;
$custom-light: #79c4c9;
$custom-dark: #000000;

JSON

{
  "hex": "#21abb3",
  "rgb": {
    "r": 33,
    "g": 171,
    "b": 179
  },
  "hsl": {
    "h": 183.288,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.67698,
    "c": 0.10909,
    "h": 201.1
  },
  "luminance": 0.32704
}

Semantic roles & 50–950 ramp

primary

#21ABB3

secondary

#CA6C66

accent

#463CEC

background

#F8FCFC

surface

#EFF8F8

border

#CAD1D1

text

#0B1313

muted

#7C8282

Preview Lab

Preview with #21ABB3

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

Preview Lab → · Contrast checker → · Palette generator →