#63D1F0#63D1F0

#63D1F0 is a light, moderate cyan. Relative luminance 0.545; OKLCH L 80.8% C 0.109 H 219.0°. Best body text is #000000 at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#63D1F0
RGB	rgb(99, 209, 240)
HSL	hsl(193, 82%, 66%)
HSV	hsv(193, 59%, 94%)
CMYK	cmyk(58.8%, 12.9%, 0%, 5.9%)
CIE-LAB	lab(78.78, -22.70, -24.74)
CIE-LCH	lch(78.78, 33.58, 227.46°)
OKLab	oklab(80.8% -0.0847 -0.0687)
OKLCH	oklch(80.8% 0.109 219)
XYZ	xyz(43.6680, 54.5405, 90.6473)
Luminance	0.5454 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D1F0 #F08263

analogous

#63F0C8 #63D1F0 #638BF0

triadic

#63D1F0 #F063D1 #D1F063

tetradic

#63D1F0 #C863F0 #F08263 #8BF063

square

#63D1F0 #C863F0 #F08263 #8BF063

split-complementary

#63D1F0 #F0638B #F0C863

monochromatic

#139EC6 #2BC1EB #63D1F0 #9BE1F5 #D3F2FB

Accessibility & contrast

On white

1.76

#63D1F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.91

#63D1F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D1F0

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D1F0	#FFFFFF	#000000	##000000
##63D1F0	1.00	1.76	11.91	11.91
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.91	21.00	1.00	1.00
##000000	11.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDCCF2

Deuteranopia (green-blind)

#A9BCF0

Tritanopia (blue-blind)

#00DCDB

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #63d1f0;
/* rgb */ color: rgb(99, 209, 240);
/* oklch */ color: oklch(80.8% 0.109 219.0);

Tailwind

colors: {
  custom: {
    50: '#9bdff5',
    500: '#63d1f0',
    950: '#000000',
  },
}

SCSS

$custom: #63d1f0;
$custom-light: #9bdff5;
$custom-dark: #000000;

JSON

{
  "hex": "#63d1f0",
  "rgb": {
    "r": 99,
    "g": 209,
    "b": 240
  },
  "hsl": {
    "h": 193.191,
    "s": 82.456,
    "l": 66.471
  },
  "oklch": {
    "l": 0.80799,
    "c": 0.10911,
    "h": 219
  },
  "luminance": 0.54545
}

Semantic roles & 50–950 ramp

primary

#63D1F0

secondary

#C35434

accent

#3607DF

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D1F0

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

Preview Lab → · Contrast checker → · Palette generator →