#63D4FD#63D4FD

#63D4FD is a light, moderate cyan. Relative luminance 0.568; OKLCH L 82.0% C 0.117 H 224.9°. Best body text is #000000 at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#63D4FD
RGB	rgb(99, 212, 253)
HSL	hsl(196, 97%, 69%)
HSV	hsv(196, 61%, 99%)
CMYK	cmyk(60.9%, 16.2%, 0%, 0.8%)
CIE-LAB	lab(80.08, -20.42, -29.67)
CIE-LCH	lch(80.08, 36.02, 235.47°)
OKLab	oklab(81.99% -0.0831 -0.0827)
OKLCH	oklch(81.99% 0.117 224.9)
XYZ	xyz(46.4117, 56.8268, 101.4322)
Luminance	0.5683 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D4FD #FD8C63

analogous

#63FDD9 #63D4FD #6387FD

triadic

#63D4FD #FD63D4 #D4FD63

tetradic

#63D4FD #D963FD #FD8C63 #87FD63

square

#63D4FD #D963FD #FD8C63 #87FD63

split-complementary

#63D4FD #FD6387 #FDD963

monochromatic

#03A7E3 #27C3FC #63D4FD #9FE5FE #DCF5FF

Accessibility & contrast

On white

1.70

#63D4FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.37

#63D4FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D4FD

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D4FD	#FFFFFF	#000000	##000000
##63D4FD	1.00	1.70	12.37	12.37
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.37	21.00	1.00	1.00
##000000	12.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDD0FF

Deuteranopia (green-blind)

#A7C0FD

Tritanopia (blue-blind)

#00E0E1

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #63d4fd;
/* rgb */ color: rgb(99, 212, 253);
/* oklch */ color: oklch(82.0% 0.117 224.9);

Tailwind

colors: {
  custom: {
    50: '#9de1fe',
    500: '#63d4fd',
    950: '#000000',
  },
}

SCSS

$custom: #63d4fd;
$custom-light: #9de1fe;
$custom-dark: #000000;

JSON

{
  "hex": "#63d4fd",
  "rgb": {
    "r": 99,
    "g": 212,
    "b": 253
  },
  "hsl": {
    "h": 195.974,
    "s": 97.468,
    "l": 69.02
  },
  "oklch": {
    "l": 0.81995,
    "c": 0.11722,
    "h": 224.9
  },
  "luminance": 0.56831
}

Semantic roles & 50–950 ramp

primary

#63D4FD

secondary

#D75A2D

accent

#3D00E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D4FD

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

Preview Lab → · Contrast checker → · Palette generator →