#4F63D3#4F63D3

#4F63D3 is a mid, vivid blue. Relative luminance 0.153; OKLCH L 54.5% C 0.173 H 271.8°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#4F63D3
RGB	rgb(79, 99, 211)
HSL	hsl(231, 60%, 57%)
HSV	hsv(231, 63%, 83%)
CMYK	cmyk(62.6%, 53.1%, 0%, 17.3%)
CIE-LAB	lab(46.03, 27.24, -60.19)
CIE-LCH	lch(46.03, 66.07, 294.35°)
OKLab	oklab(54.51% 0.0055 -0.1727)
OKLCH	oklch(54.51% 0.173 271.8)
XYZ	xyz(19.4402, 15.2874, 63.5417)
Luminance	0.1529 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F63D3 #D3BF4F

analogous

#4FA5D3 #4F63D3 #7D4FD3

triadic

#4F63D3 #D34F63 #63D34F

tetradic

#4F63D3 #D34FA5 #D3BF4F #4FD37D

square

#4F63D3 #D34FA5 #D3BF4F #4FD37D

split-complementary

#4F63D3 #D37D4F #A5D34F

monochromatic

#223186 #2E43B7 #4F63D3 #808EDF #B1BAEB

Accessibility & contrast

On white

5.18

#4F63D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#4F63D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F63D3

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F63D3	#FFFFFF	#000000	##FFFFFF
##4F63D3	1.00	5.18	4.06	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1973D7

Deuteranopia (green-blind)

#0067D1

Tritanopia (blue-blind)

#007D91

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #4f63d3;
/* rgb */ color: rgb(79, 99, 211);
/* oklch */ color: oklch(54.5% 0.173 271.8);

Tailwind

colors: {
  custom: {
    50: '#8d8fe1',
    500: '#4f63d3',
    950: '#000000',
  },
}

SCSS

$custom: #4f63d3;
$custom-light: #8d8fe1;
$custom-dark: #000000;

JSON

{
  "hex": "#4f63d3",
  "rgb": {
    "r": 79,
    "g": 99,
    "b": 211
  },
  "hsl": {
    "h": 230.909,
    "s": 60,
    "l": 56.863
  },
  "oklch": {
    "l": 0.5451,
    "c": 0.17282,
    "h": 271.8
  },
  "luminance": 0.15289
}

Semantic roles & 50–950 ramp

primary

#4F63D3

secondary

#DAD2A4

accent

#CB45E3

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4F63D3

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

Preview Lab → · Contrast checker → · Palette generator →