#63C5FC#63C5FC

#63C5FC is a light, vivid cyan. Relative luminance 0.496; OKLCH L 78.6% C 0.121 H 235.8°. Best body text is #000000 at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#63C5FC
RGB	rgb(99, 197, 252)
HSL	hsl(202, 96%, 69%)
HSV	hsv(202, 61%, 99%)
CMYK	cmyk(60.7%, 21.8%, 0%, 1.2%)
CIE-LAB	lab(75.83, -12.94, -35.69)
CIE-LCH	lch(75.83, 37.97, 250.07°)
OKLab	oklab(78.59% -0.068 -0.1)
OKLCH	oklch(78.59% 0.121 235.8)
XYZ	xyz(42.6758, 49.6092, 99.4031)
Luminance	0.4961 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C5FC #FC9A63

analogous

#63FCE7 #63C5FC #6379FC

triadic

#63C5FC #FC63C5 #C5FC63

tetradic

#63C5FC #E763FC #FC9A63 #79FC63

square

#63C5FC #E763FC #FC9A63 #79FC63

split-complementary

#63C5FC #FC6379 #FCE763

monochromatic

#0491E0 #27AFFB #63C5FC #9FDBFD #DBF2FE

Accessibility & contrast

On white

1.92

#63C5FC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.92

#63C5FC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C5FC

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C5FC	#FFFFFF	#000000	##000000
##63C5FC	1.00	1.92	10.92	10.92
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.92	21.00	1.00	1.00
##000000	10.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABC4FF

Deuteranopia (green-blind)

#96B4FB

Tritanopia (blue-blind)

#00D3D7

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #63c5fc;
/* rgb */ color: rgb(99, 197, 252);
/* oklch */ color: oklch(78.6% 0.121 235.8);

Tailwind

colors: {
  custom: {
    50: '#9cd6fd',
    500: '#63c5fc',
    950: '#000000',
  },
}

SCSS

$custom: #63c5fc;
$custom-light: #9cd6fd;
$custom-dark: #000000;

JSON

{
  "hex": "#63c5fc",
  "rgb": {
    "r": 99,
    "g": 197,
    "b": 252
  },
  "hsl": {
    "h": 201.569,
    "s": 96.226,
    "l": 68.824
  },
  "oklch": {
    "l": 0.78594,
    "c": 0.12092,
    "h": 235.8
  },
  "luminance": 0.49613
}

Semantic roles & 50–950 ramp

primary

#63C5FC

secondary

#F4D7C7

accent

#5300E6

background

#FAFDFF

surface

#F4FAFF

border

#CED3D7

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #63C5FC

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

Preview Lab → · Contrast checker → · Palette generator →