#63A4FD#63A4FD

#63A4FD is a light, vivid cyan. Relative luminance 0.363; OKLCH L 71.5% C 0.147 H 256.6°. Best body text is #000000 at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#63A4FD
RGB	rgb(99, 164, 253)
HSL	hsl(215, 97%, 69%)
HSV	hsv(215, 61%, 99%)
CMYK	cmyk(60.9%, 35.2%, 0%, 0.8%)
CIE-LAB	lab(66.74, 5.60, -50.45)
CIE-LCH	lch(66.74, 50.76, 276.33°)
OKLab	oklab(71.45% -0.0339 -0.143)
OKLCH	oklch(71.45% 0.147 256.6)
XYZ	xyz(36.1443, 36.2921, 98.0098)
Luminance	0.3629 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A4FD #FDBC63

analogous

#63F1FD #63A4FD #6F63FD

triadic

#63A4FD #FD63A4 #A4FD63

tetradic

#63A4FD #FD63F1 #FDBC63 #63FD6F

square

#63A4FD #FD63F1 #FDBC63 #63FD6F

split-complementary

#63A4FD #FD6F63 #F1FD63

monochromatic

#0361E3 #2781FC #63A4FD #9FC7FE #DCEAFF

Accessibility & contrast

On white

2.54

#63A4FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.26

#63A4FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A4FD

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A4FD	#FFFFFF	#000000	##000000
##63A4FD	1.00	2.54	8.26	8.26
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.26	21.00	1.00	1.00
##000000	8.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7EAAFF

Deuteranopia (green-blind)

#699CFB

Tritanopia (blue-blind)

#00B8C5

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #63a4fd;
/* rgb */ color: rgb(99, 164, 253);
/* oklch */ color: oklch(71.5% 0.147 256.6);

Tailwind

colors: {
  custom: {
    50: '#9cbefe',
    500: '#63a4fd',
    950: '#000000',
  },
}

SCSS

$custom: #63a4fd;
$custom-light: #9cbefe;
$custom-dark: #000000;

JSON

{
  "hex": "#63a4fd",
  "rgb": {
    "r": 99,
    "g": 164,
    "b": 253
  },
  "hsl": {
    "h": 214.675,
    "s": 97.468,
    "l": 69.02
  },
  "oklch": {
    "l": 0.71453,
    "c": 0.14694,
    "h": 256.6
  },
  "luminance": 0.36295
}

Semantic roles & 50–950 ramp

primary

#63A4FD

secondary

#F4E1C7

accent

#8500E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1218

muted

#7F8186

Preview Lab

Preview with #63A4FD

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

Preview Lab → · Contrast checker → · Palette generator →