#63D7FD#63D7FD

#63D7FD is a very light, moderate cyan. Relative luminance 0.583; OKLCH L 82.7% C 0.117 H 222.5°. Best body text is #000000 at 12.67:1 contrast (WCAG AA passes).

Color values

HEX	#63D7FD
RGB	rgb(99, 215, 253)
HSL	hsl(195, 97%, 69%)
HSV	hsv(195, 61%, 99%)
CMYK	cmyk(60.9%, 15%, 0%, 0.8%)
CIE-LAB	lab(80.93, -21.93, -28.37)
CIE-LCH	lch(80.93, 35.86, 232.30°)
OKLab	oklab(82.67% -0.0861 -0.079)
OKLCH	oklch(82.67% 0.117 222.5)
XYZ	xyz(47.1686, 58.3406, 101.6845)
Luminance	0.5835 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D7FD #FD8963

analogous

#63FDD6 #63D7FD #638AFD

triadic

#63D7FD #FD63D7 #D7FD63

tetradic

#63D7FD #D663FD #FD8963 #8AFD63

square

#63D7FD #D663FD #FD8963 #8AFD63

split-complementary

#63D7FD #FD638A #FDD663

monochromatic

#03ABE3 #27C8FC #63D7FD #9FE6FE #DCF6FF

Accessibility & contrast

On white

1.66

#63D7FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.67

#63D7FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D7FD

12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D7FD	#FFFFFF	#000000	##000000
##63D7FD	1.00	1.66	12.67	12.67
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.67	21.00	1.00	1.00
##000000	12.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1D2FF

Deuteranopia (green-blind)

#ABC2FD

Tritanopia (blue-blind)

#00E3E3

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #63d7fd;
/* rgb */ color: rgb(99, 215, 253);
/* oklch */ color: oklch(82.7% 0.117 222.5);

Tailwind

colors: {
  custom: {
    50: '#9de3fe',
    500: '#63d7fd',
    950: '#000000',
  },
}

SCSS

$custom: #63d7fd;
$custom-light: #9de3fe;
$custom-dark: #000000;

JSON

{
  "hex": "#63d7fd",
  "rgb": {
    "r": 99,
    "g": 215,
    "b": 253
  },
  "hsl": {
    "h": 194.805,
    "s": 97.468,
    "l": 69.02
  },
  "oklch": {
    "l": 0.82671,
    "c": 0.11688,
    "h": 222.5
  },
  "luminance": 0.58345
}

Semantic roles & 50–950 ramp

primary

#63D7FD

secondary

#D7572D

accent

#3900E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#101517

muted

#808485

Preview Lab

Preview with #63D7FD

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

Preview Lab → · Contrast checker → · Palette generator →