#63B0FC#63B0FC

#63B0FC is a light, vivid cyan. Relative luminance 0.407; OKLCH L 74.0% C 0.135 H 249.8°. Best body text is #000000 at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#63B0FC
RGB	rgb(99, 176, 252)
HSL	hsl(210, 96%, 69%)
HSV	hsv(210, 61%, 99%)
CMYK	cmyk(60.7%, 30.2%, 0%, 1.2%)
CIE-LAB	lab(69.98, -1.52, -44.80)
CIE-LCH	lch(69.98, 44.83, 268.05°)
OKLab	oklab(73.98% -0.0464 -0.1264)
OKLCH	oklch(73.98% 0.135 249.8)
XYZ	xyz(38.2352, 40.7280, 97.9229)
Luminance	0.4073 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B0FC #FCAF63

analogous

#63FCFB #63B0FC #6364FC

triadic

#63B0FC #FC63B0 #B0FC63

tetradic

#63B0FC #FB63FC #FCAF63 #64FC63

square

#63B0FC #FB63FC #FCAF63 #64FC63

split-complementary

#63B0FC #FC6364 #FCFB63

monochromatic

#0473E0 #2792FB #63B0FC #9FCEFD #DBEDFE

Accessibility & contrast

On white

2.30

#63B0FC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.15

#63B0FC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B0FC

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B0FC	#FFFFFF	#000000	##000000
##63B0FC	1.00	2.30	9.15	9.15
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.15	21.00	1.00	1.00
##000000	9.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8FB3FF

Deuteranopia (green-blind)

#7BA4FA

Tritanopia (blue-blind)

#00C2CB

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #63b0fc;
/* rgb */ color: rgb(99, 176, 252);
/* oklch */ color: oklch(74.0% 0.135 249.8);

Tailwind

colors: {
  custom: {
    50: '#9bc7fd',
    500: '#63b0fc',
    950: '#000000',
  },
}

SCSS

$custom: #63b0fc;
$custom-light: #9bc7fd;
$custom-dark: #000000;

JSON

{
  "hex": "#63b0fc",
  "rgb": {
    "r": 99,
    "g": 176,
    "b": 252
  },
  "hsl": {
    "h": 209.804,
    "s": 96.226,
    "l": 68.824
  },
  "oklch": {
    "l": 0.73976,
    "c": 0.13467,
    "h": 249.8
  },
  "luminance": 0.40732
}

Semantic roles & 50–950 ramp

primary

#63B0FC

secondary

#F4DDC7

accent

#7200E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63B0FC

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

Preview Lab → · Contrast checker → · Palette generator →