#21CFD4#21CFD4

#21CFD4 is a light, vivid teal. Relative luminance 0.497; OKLCH L 77.8% C 0.128 H 198.1°. Best body text is #000000 at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#21CFD4
RGB	rgb(33, 207, 212)
HSL	hsl(182, 73%, 48%)
HSV	hsv(182, 84%, 83%)
CMYK	cmyk(84.4%, 2.4%, 0%, 16.9%)
CIE-LAB	lab(75.88, -38.29, -14.22)
CIE-LCH	lch(75.88, 40.84, 200.38°)
OKLab	oklab(77.77% -0.1214 -0.0396)
OKLCH	oklch(77.77% 0.128 198.1)
XYZ	xyz(34.8182, 49.6979, 70.0321)
Luminance	0.4970 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21CFD4 #D42621

analogous

#21D47F #21CFD4 #2175D4

triadic

#21CFD4 #D421CF #CFD421

tetradic

#21CFD4 #7F21D4 #D42621 #75D421

square

#21CFD4 #7F21D4 #D42621 #75D421

split-complementary

#21CFD4 #D42175 #D47F21

monochromatic

#11686A #199B9F #21CFD4 #4FDFE4 #84E9EC

Accessibility & contrast

On white

1.92

#21CFD4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.94

#21CFD4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21CFD4

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21CFD4	#FFFFFF	#000000	##000000
##21CFD4	1.00	1.92	10.94	10.94
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.94	21.00	1.00	1.00
##000000	10.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0C5D5

Deuteranopia (green-blind)

#A8B4D5

Tritanopia (blue-blind)

#00D7D0

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #21cfd4;
/* rgb */ color: rgb(33, 207, 212);
/* oklch */ color: oklch(77.8% 0.128 198.1);

Tailwind

colors: {
  custom: {
    50: '#82dee1',
    500: '#21cfd4',
    950: '#000000',
  },
}

SCSS

$custom: #21cfd4;
$custom-light: #82dee1;
$custom-dark: #000000;

JSON

{
  "hex": "#21cfd4",
  "rgb": {
    "r": 33,
    "g": 207,
    "b": 212
  },
  "hsl": {
    "h": 181.676,
    "s": 73.061,
    "l": 48.039
  },
  "oklch": {
    "l": 0.77765,
    "c": 0.1277,
    "h": 198.1
  },
  "luminance": 0.49702
}

Semantic roles & 50–950 ramp

primary

#21CFD4

secondary

#D57F7C

accent

#3D38F0

background

#F8FDFD

surface

#F0FBFB

border

#CBD4D4

text

#0D1515

muted

#7D8383

Preview Lab

Preview with #21CFD4

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

Preview Lab → · Contrast checker → · Palette generator →