#63D7FB#63D7FB

#63D7FB is a very light, moderate cyan. Relative luminance 0.582; OKLCH L 82.6% C 0.116 H 221.3°. Best body text is #000000 at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#63D7FB
RGB	rgb(99, 215, 251)
HSL	hsl(194, 95%, 69%)
HSV	hsv(194, 61%, 98%)
CMYK	cmyk(60.6%, 14.3%, 0%, 1.6%)
CIE-LAB	lab(80.86, -22.52, -27.42)
CIE-LCH	lch(80.86, 35.48, 230.61°)
OKLab	oklab(82.59% -0.0868 -0.0763)
OKLCH	oklch(82.59% 0.116 221.3)
XYZ	xyz(46.8517, 58.2138, 100.0154)
Luminance	0.5822 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D7FB #FB8763

analogous

#63FBD3 #63D7FB #638BFB

triadic

#63D7FB #FB63D7 #D7FB63

tetradic

#63D7FB #D363FB #FB8763 #8BFB63

square

#63D7FB #D363FB #FB8763 #8BFB63

split-complementary

#63D7FB #FB638B #FBD363

monochromatic

#06ABDE #27C8F9 #63D7FB #9FE6FD #DAF6FE

Accessibility & contrast

On white

1.66

#63D7FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.64

#63D7FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D7FB

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D7FB	#FFFFFF	#000000	##000000
##63D7FB	1.00	1.66	12.64	12.64
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.64	21.00	1.00	1.00
##000000	12.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2D2FD

Deuteranopia (green-blind)

#ACC2FB

Tritanopia (blue-blind)

#00E3E2

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #63d7fb;
/* rgb */ color: rgb(99, 215, 251);
/* oklch */ color: oklch(82.6% 0.116 221.3);

Tailwind

colors: {
  custom: {
    50: '#9de3fc',
    500: '#63d7fb',
    950: '#000000',
  },
}

SCSS

$custom: #63d7fb;
$custom-light: #9de3fc;
$custom-dark: #000000;

JSON

{
  "hex": "#63d7fb",
  "rgb": {
    "r": 99,
    "g": 215,
    "b": 251
  },
  "hsl": {
    "h": 194.211,
    "s": 95,
    "l": 68.627
  },
  "oklch": {
    "l": 0.82591,
    "c": 0.11561,
    "h": 221.3
  },
  "luminance": 0.58219
}

Semantic roles & 50–950 ramp

primary

#63D7FB

secondary

#D5552D

accent

#3600E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D7FB

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

Preview Lab → · Contrast checker → · Palette generator →