#63B1FC#63B1FC

#63B1FC is a light, vivid cyan. Relative luminance 0.411; OKLCH L 74.2% C 0.134 H 249.2°. Best body text is #000000 at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#63B1FC
RGB	rgb(99, 177, 252)
HSL	hsl(209, 96%, 69%)
HSV	hsv(209, 61%, 99%)
CMYK	cmyk(60.7%, 29.8%, 0%, 1.2%)
CIE-LAB	lab(70.26, -2.08, -44.37)
CIE-LCH	lch(70.26, 44.42, 267.31°)
OKLab	oklab(74.19% -0.0475 -0.1251)
OKLCH	oklch(74.19% 0.134 249.2)
XYZ	xyz(38.4320, 41.1216, 97.9885)
Luminance	0.4113 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B1FC #FCAE63

analogous

#63FCFB #63B1FC #6365FC

triadic

#63B1FC #FC63B1 #B1FC63

tetradic

#63B1FC #FB63FC #FCAE63 #65FC63

square

#63B1FC #FB63FC #FCAE63 #65FC63

split-complementary

#63B1FC #FC6365 #FCFB63

monochromatic

#0474E0 #2793FB #63B1FC #9FCFFD #DBEDFE

Accessibility & contrast

On white

2.28

#63B1FC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.23

#63B1FC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B1FC

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B1FC	#FFFFFF	#000000	##000000
##63B1FC	1.00	2.28	9.23	9.23
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.23	21.00	1.00	1.00
##000000	9.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91B4FF

Deuteranopia (green-blind)

#7CA5FB

Tritanopia (blue-blind)

#00C3CB

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #63b1fc;
/* rgb */ color: rgb(99, 177, 252);
/* oklch */ color: oklch(74.2% 0.134 249.2);

Tailwind

colors: {
  custom: {
    50: '#9bc8fd',
    500: '#63b1fc',
    950: '#000000',
  },
}

SCSS

$custom: #63b1fc;
$custom-light: #9bc8fd;
$custom-dark: #000000;

JSON

{
  "hex": "#63b1fc",
  "rgb": {
    "r": 99,
    "g": 177,
    "b": 252
  },
  "hsl": {
    "h": 209.412,
    "s": 96.226,
    "l": 68.824
  },
  "oklch": {
    "l": 0.74193,
    "c": 0.13384,
    "h": 249.2
  },
  "luminance": 0.41125
}

Semantic roles & 50–950 ramp

primary

#63B1FC

secondary

#F4DDC7

accent

#7100E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63B1FC

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

Preview Lab → · Contrast checker → · Palette generator →