#63A7FB#63A7FB

#63A7FB is a light, vivid cyan. Relative luminance 0.373; OKLCH L 72.0% C 0.141 H 254.6°. Best body text is #000000 at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#63A7FB
RGB	rgb(99, 167, 251)
HSL	hsl(213, 95%, 69%)
HSV	hsv(213, 61%, 98%)
CMYK	cmyk(60.6%, 33.5%, 0%, 1.6%)
CIE-LAB	lab(67.47, 3.24, -48.22)
CIE-LCH	lch(67.47, 48.33, 273.84°)
OKLab	oklab(71.99% -0.0375 -0.1364)
OKLCH	oklch(71.99% 0.142 254.6)
XYZ	xyz(36.3706, 37.2518, 96.5217)
Luminance	0.3725 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A7FB #FBB763

analogous

#63F3FB #63A7FB #6B63FB

triadic

#63A7FB #FB63A7 #A7FB63

tetradic

#63A7FB #FB63F3 #FBB763 #63FB6B

square

#63A7FB #FB63F3 #FBB763 #63FB6B

split-complementary

#63A7FB #FB6B63 #F3FB63

monochromatic

#0666DE #2785F9 #63A7FB #9FC9FD #DAEAFE

Accessibility & contrast

On white

2.48

#63A7FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.45

#63A7FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A7FB

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A7FB	#FFFFFF	#000000	##000000
##63A7FB	1.00	2.48	8.45	8.45
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.45	21.00	1.00	1.00
##000000	8.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83ACFF

Deuteranopia (green-blind)

#6F9EF9

Tritanopia (blue-blind)

#00BAC5

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #63a7fb;
/* rgb */ color: rgb(99, 167, 251);
/* oklch */ color: oklch(72.0% 0.141 254.6);

Tailwind

colors: {
  custom: {
    50: '#9bc0fd',
    500: '#63a7fb',
    950: '#000000',
  },
}

SCSS

$custom: #63a7fb;
$custom-light: #9bc0fd;
$custom-dark: #000000;

JSON

{
  "hex": "#63a7fb",
  "rgb": {
    "r": 99,
    "g": 167,
    "b": 251
  },
  "hsl": {
    "h": 213.158,
    "s": 95,
    "l": 68.627
  },
  "oklch": {
    "l": 0.71987,
    "c": 0.1415,
    "h": 254.6
  },
  "luminance": 0.37255
}

Semantic roles & 50–950 ramp

primary

#63A7FB

secondary

#F4DFC6

accent

#7F00E6

background

#FAFBFF

surface

#F4F7FF

border

#CED0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A7FB

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

Preview Lab → · Contrast checker → · Palette generator →