#21AFB3#21AFB3

#21AFB3 is a light, moderate teal. Relative luminance 0.342; OKLCH L 68.7% C 0.111 H 197.9°. Best body text is #000000 at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#21AFB3
RGB	rgb(33, 175, 179)
HSL	hsl(182, 69%, 42%)
HSV	hsv(182, 82%, 70%)
CMYK	cmyk(81.6%, 2.2%, 0%, 29.8%)
CIE-LAB	lab(65.15, -33.35, -12.28)
CIE-LCH	lch(65.15, 35.54, 200.21°)
OKLab	oklab(68.7% -0.1056 -0.0341)
OKLCH	oklch(68.7% 0.111 197.9)
XYZ	xyz(24.0901, 34.2349, 47.9774)
Luminance	0.3424 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21AFB3 #B32521

analogous

#21B36E #21AFB3 #2166B3

triadic

#21AFB3 #B321AF #AFB321

tetradic

#21AFB3 #6E21B3 #B32521 #66B321

square

#21AFB3 #6E21B3 #B32521 #66B321

split-complementary

#21AFB3 #B32166 #B36E21

monochromatic

#0E4A4C #177C7F #21AFB3 #37D6DA #6BE0E4

Accessibility & contrast

On white

2.68

#21AFB3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.85

#21AFB3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21AFB3

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21AFB3	#FFFFFF	#000000	##000000
##21AFB3	1.00	2.68	7.85	7.85
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.85	21.00	1.00	1.00
##000000	7.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2A6B3

Deuteranopia (green-blind)

#8E98B4

Tritanopia (blue-blind)

#00B5B0

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #21afb3;
/* rgb */ color: rgb(33, 175, 179);
/* oklch */ color: oklch(68.7% 0.111 197.9);

Tailwind

colors: {
  custom: {
    50: '#7ac7c9',
    500: '#21afb3',
    950: '#000000',
  },
}

SCSS

$custom: #21afb3;
$custom-light: #7ac7c9;
$custom-dark: #000000;

JSON

{
  "hex": "#21afb3",
  "rgb": {
    "r": 33,
    "g": 175,
    "b": 179
  },
  "hsl": {
    "h": 181.644,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.68697,
    "c": 0.11099,
    "h": 197.9
  },
  "luminance": 0.34238
}

Semantic roles & 50–950 ramp

primary

#21AFB3

secondary

#CA6966

accent

#413CEC

background

#F8FCFC

surface

#EFF8F8

border

#CAD1D1

text

#0B1313

muted

#7C8282

Preview Lab

Preview with #21AFB3

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

Preview Lab → · Contrast checker → · Palette generator →