#63C4FD#63C4FD

#63C4FD is a light, vivid cyan. Relative luminance 0.492; OKLCH L 78.4% C 0.122 H 237.0°. Best body text is #000000 at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#63C4FD
RGB	rgb(99, 196, 253)
HSL	hsl(202, 97%, 69%)
HSV	hsv(202, 61%, 99%)
CMYK	cmyk(60.9%, 22.5%, 0%, 0.8%)
CIE-LAB	lab(75.59, -12.11, -36.60)
CIE-LCH	lch(75.59, 38.55, 251.70°)
OKLab	oklab(78.42% -0.0667 -0.1026)
OKLCH	oklch(78.42% 0.122 237)
XYZ	xyz(42.6084, 49.2202, 100.1644)
Luminance	0.4922 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C4FD #FD9C63

analogous

#63FDE9 #63C4FD #6377FD

triadic

#63C4FD #FD63C4 #C4FD63

tetradic

#63C4FD #E963FD #FD9C63 #77FD63

square

#63C4FD #E963FD #FD9C63 #77FD63

split-complementary

#63C4FD #FD6377 #FDE963

monochromatic

#0390E3 #27ADFC #63C4FD #9FDBFE #DCF2FF

Accessibility & contrast

On white

1.94

#63C4FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.84

#63C4FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C4FD

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C4FD	#FFFFFF	#000000	##000000
##63C4FD	1.00	1.94	10.84	10.84
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.84	21.00	1.00	1.00
##000000	10.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9C3FF

Deuteranopia (green-blind)

#94B3FC

Tritanopia (blue-blind)

#00D3D7

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #63c4fd;
/* rgb */ color: rgb(99, 196, 253);
/* oklch */ color: oklch(78.4% 0.122 237.0);

Tailwind

colors: {
  custom: {
    50: '#9cd5fe',
    500: '#63c4fd',
    950: '#000000',
  },
}

SCSS

$custom: #63c4fd;
$custom-light: #9cd5fe;
$custom-dark: #000000;

JSON

{
  "hex": "#63c4fd",
  "rgb": {
    "r": 99,
    "g": 196,
    "b": 253
  },
  "hsl": {
    "h": 202.208,
    "s": 97.468,
    "l": 69.02
  },
  "oklch": {
    "l": 0.78416,
    "c": 0.12235,
    "h": 237
  },
  "luminance": 0.49224
}

Semantic roles & 50–950 ramp

primary

#63C4FD

secondary

#F4D8C7

accent

#5500E6

background

#FAFDFF

surface

#F4FAFF

border

#CED3D7

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #63C4FD

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

Preview Lab → · Contrast checker → · Palette generator →