#4F63F8#4F63F8

#4F63F8 is a mid, highly saturated blue. Relative luminance 0.174; OKLCH L 57.4% C 0.221 H 271.6°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#4F63F8
RGB	rgb(79, 99, 248)
HSL	hsl(233, 92%, 64%)
HSV	hsv(233, 68%, 97%)
CMYK	cmyk(68.1%, 60.1%, 0%, 2.7%)
CIE-LAB	lab(48.71, 39.81, -76.71)
CIE-LCH	lch(48.71, 86.43, 297.43°)
OKLab	oklab(57.36% 0.0062 -0.2213)
OKLCH	oklch(57.36% 0.221 271.6)
XYZ	xyz(24.6238, 17.3609, 90.8420)
Luminance	0.1736 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F63F8 #F8E44F

analogous

#4FB8F8 #4F63F8 #8F4FF8

triadic

#4F63F8 #F84F63 #63F84F

tetradic

#4F63F8 #F84FB8 #F8E44F #4FF88F

square

#4F63F8 #F84FB8 #F8E44F #4FF88F

split-complementary

#4F63F8 #F88F4F #B8F84F

monochromatic

#081EC5 #142FF6 #4F63F8 #8A97FA #C5CBFD

Accessibility & contrast

On white

4.70

#4F63F8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#4F63F8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F63F8

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F63F8	#FFFFFF	#000000	##FFFFFF
##4F63F8	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007CFD

Deuteranopia (green-blind)

#006CF5

Tritanopia (blue-blind)

#0089A4

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4f63f8;
/* rgb */ color: rgb(79, 99, 248);
/* oklch */ color: oklch(57.4% 0.221 271.6);

Tailwind

colors: {
  custom: {
    50: '#948ffc',
    500: '#4f63f8',
    950: '#000000',
  },
}

SCSS

$custom: #4f63f8;
$custom-light: #948ffc;
$custom-dark: #000000;

JSON

{
  "hex": "#4f63f8",
  "rgb": {
    "r": 79,
    "g": 99,
    "b": 248
  },
  "hsl": {
    "h": 232.899,
    "s": 92.35,
    "l": 64.118
  },
  "oklch": {
    "l": 0.57358,
    "c": 0.22137,
    "h": 271.6
  },
  "luminance": 0.17363
}

Semantic roles & 50–950 ramp

primary

#4F63F8

secondary

#EFE8B4

accent

#CA00E6

background

#FAF8FF

surface

#F3F0FF

border

#CDCBD7

text

#0F0C18

muted

#7F7D86

Preview Lab

Preview with #4F63F8

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

Preview Lab → · Contrast checker → · Palette generator →