#63D2EF#63D2EF

#63D2EF is a light, moderate cyan. Relative luminance 0.550; OKLCH L 81.0% C 0.109 H 217.5°. Best body text is #000000 at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#63D2EF
RGB	rgb(99, 210, 239)
HSL	hsl(192, 81%, 66%)
HSV	hsv(192, 59%, 94%)
CMYK	cmyk(58.6%, 12.1%, 0%, 6.3%)
CIE-LAB	lab(79.03, -23.49, -23.82)
CIE-LCH	lch(79.03, 33.46, 225.40°)
OKLab	oklab(80.99% -0.0862 -0.0661)
OKLCH	oklch(80.99% 0.109 217.5)
XYZ	xyz(43.7659, 54.9735, 89.9491)
Luminance	0.5498 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D2EF #EF8063

analogous

#63EFC6 #63D2EF #638CEF

triadic

#63D2EF #EF63D2 #D2EF63

tetradic

#63D2EF #C663EF #EF8063 #8CEF63

square

#63D2EF #C663EF #EF8063 #8CEF63

split-complementary

#63D2EF #EF638C #EFC663

monochromatic

#149FC4 #2BC2E9 #63D2EF #9BE2F5 #D2F2FA

Accessibility & contrast

On white

1.75

#63D2EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.00

#63D2EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D2EF

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D2EF	#FFFFFF	#000000	##000000
##63D2EF	1.00	1.75	12.00	12.00
#FFFFFF	1.75	1.00	21.00	21.00
#000000	12.00	21.00	1.00	1.00
##000000	12.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFCCF1

Deuteranopia (green-blind)

#AABDEF

Tritanopia (blue-blind)

#00DCDB

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #63d2ef;
/* rgb */ color: rgb(99, 210, 239);
/* oklch */ color: oklch(81.0% 0.109 217.5);

Tailwind

colors: {
  custom: {
    50: '#9be0f4',
    500: '#63d2ef',
    950: '#000000',
  },
}

SCSS

$custom: #63d2ef;
$custom-light: #9be0f4;
$custom-dark: #000000;

JSON

{
  "hex": "#63d2ef",
  "rgb": {
    "r": 99,
    "g": 210,
    "b": 239
  },
  "hsl": {
    "h": 192.429,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.80988,
    "c": 0.10862,
    "h": 217.5
  },
  "luminance": 0.54978
}

Semantic roles & 50–950 ramp

primary

#63D2EF

secondary

#C15235

accent

#3408DE

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D2EF

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

Preview Lab → · Contrast checker → · Palette generator →