#63A8FD#63A8FD

#63A8FD is a light, vivid cyan. Relative luminance 0.378; OKLCH L 72.3% C 0.143 H 254.6°. Best body text is #000000 at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#63A8FD
RGB	rgb(99, 168, 253)
HSL	hsl(213, 97%, 69%)
HSV	hsv(213, 61%, 99%)
CMYK	cmyk(60.9%, 33.6%, 0%, 0.8%)
CIE-LAB	lab(67.83, 3.31, -48.73)
CIE-LCH	lch(67.83, 48.84, 273.89°)
OKLab	oklab(72.3% -0.038 -0.1379)
OKLCH	oklch(72.3% 0.143 254.6)
XYZ	xyz(36.8715, 37.7463, 98.2521)
Luminance	0.3775 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A8FD #FDB863

analogous

#63F5FD #63A8FD #6B63FD

triadic

#63A8FD #FD63A8 #A8FD63

tetradic

#63A8FD #FD63F5 #FDB863 #63FD6B

square

#63A8FD #FD63F5 #FDB863 #63FD6B

split-complementary

#63A8FD #FD6B63 #F5FD63

monochromatic

#0367E3 #2786FC #63A8FD #9FCAFE #DCEBFF

Accessibility & contrast

On white

2.46

#63A8FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.55

#63A8FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A8FD

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A8FD	#FFFFFF	#000000	##000000
##63A8FD	1.00	2.46	8.55	8.55
#FFFFFF	2.46	1.00	21.00	21.00
#000000	8.55	21.00	1.00	1.00
##000000	8.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84ADFF

Deuteranopia (green-blind)

#6F9FFB

Tritanopia (blue-blind)

#00BBC7

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #63a8fd;
/* rgb */ color: rgb(99, 168, 253);
/* oklch */ color: oklch(72.3% 0.143 254.6);

Tailwind

colors: {
  custom: {
    50: '#9cc1fe',
    500: '#63a8fd',
    950: '#000000',
  },
}

SCSS

$custom: #63a8fd;
$custom-light: #9cc1fe;
$custom-dark: #000000;

JSON

{
  "hex": "#63a8fd",
  "rgb": {
    "r": 99,
    "g": 168,
    "b": 253
  },
  "hsl": {
    "h": 213.117,
    "s": 97.468,
    "l": 69.02
  },
  "oklch": {
    "l": 0.72305,
    "c": 0.14305,
    "h": 254.6
  },
  "luminance": 0.3775
}

Semantic roles & 50–950 ramp

primary

#63A8FD

secondary

#F4E0C7

accent

#7F00E6

background

#FAFBFF

surface

#F4F7FF

border

#CED0D7

text

#0F1218

muted

#7F8186

Preview Lab

Preview with #63A8FD

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

Preview Lab → · Contrast checker → · Palette generator →