#63C4FC#63C4FC

#63C4FC is a light, vivid cyan. Relative luminance 0.492; OKLCH L 78.4% C 0.121 H 236.5°. Best body text is #000000 at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#63C4FC
RGB	rgb(99, 196, 252)
HSL	hsl(202, 96%, 69%)
HSV	hsv(202, 61%, 99%)
CMYK	cmyk(60.7%, 22.2%, 0%, 1.2%)
CIE-LAB	lab(75.55, -12.41, -36.13)
CIE-LCH	lch(75.55, 38.20, 251.04°)
OKLab	oklab(78.37% -0.067 -0.1012)
OKLCH	oklch(78.37% 0.121 236.5)
XYZ	xyz(42.4495, 49.1566, 99.3277)
Luminance	0.4916 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C4FC #FC9B63

analogous

#63FCE8 #63C4FC #6378FC

triadic

#63C4FC #FC63C4 #C4FC63

tetradic

#63C4FC #E863FC #FC9B63 #78FC63

square

#63C4FC #E863FC #FC9B63 #78FC63

split-complementary

#63C4FC #FC6378 #FCE863

monochromatic

#0490E0 #27ADFB #63C4FC #9FDBFD #DBF1FE

Accessibility & contrast

On white

1.94

#63C4FC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.83

#63C4FC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C4FC

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C4FC	#FFFFFF	#000000	##000000
##63C4FC	1.00	1.94	10.83	10.83
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.83	21.00	1.00	1.00
##000000	10.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAC3FF

Deuteranopia (green-blind)

#95B3FB

Tritanopia (blue-blind)

#00D2D7

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #63c4fc;
/* rgb */ color: rgb(99, 196, 252);
/* oklch */ color: oklch(78.4% 0.121 236.5);

Tailwind

colors: {
  custom: {
    50: '#9cd5fd',
    500: '#63c4fc',
    950: '#000000',
  },
}

SCSS

$custom: #63c4fc;
$custom-light: #9cd5fd;
$custom-dark: #000000;

JSON

{
  "hex": "#63c4fc",
  "rgb": {
    "r": 99,
    "g": 196,
    "b": 252
  },
  "hsl": {
    "h": 201.961,
    "s": 96.226,
    "l": 68.824
  },
  "oklch": {
    "l": 0.78371,
    "c": 0.12139,
    "h": 236.5
  },
  "luminance": 0.49161
}

Semantic roles & 50–950 ramp

primary

#63C4FC

secondary

#F4D7C7

accent

#5400E6

background

#FAFDFF

surface

#F4FAFF

border

#CED3D7

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #63C4FC

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

Preview Lab → · Contrast checker → · Palette generator →