#4F63D8#4F63D8

#4F63D8 is a mid, vivid blue. Relative luminance 0.155; OKLCH L 54.9% C 0.180 H 271.9°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#4F63D8
RGB	rgb(79, 99, 216)
HSL	hsl(231, 64%, 58%)
HSV	hsv(231, 63%, 85%)
CMYK	cmyk(63.4%, 54.2%, 0%, 15.3%)
CIE-LAB	lab(46.37, 28.95, -62.49)
CIE-LCH	lch(46.37, 68.87, 294.86°)
OKLab	oklab(54.88% 0.0058 -0.1795)
OKLCH	oklch(54.88% 0.18 271.9)
XYZ	xyz(20.0768, 15.5421, 66.8943)
Luminance	0.1554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F63D8 #D8C44F

analogous

#4FA7D8 #4F63D8 #7F4FD8

triadic

#4F63D8 #D84F63 #63D84F

tetradic

#4F63D8 #D84FA7 #D8C44F #4FD87F

square

#4F63D8 #D84FA7 #D8C44F #4FD87F

split-complementary

#4F63D8 #D87F4F #A7D84F

monochromatic

#1F2F8D #2A40BF #4F63D8 #818FE3 #B3BCEE

Accessibility & contrast

On white

5.11

#4F63D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#4F63D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F63D8

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F63D8	#FFFFFF	#000000	##FFFFFF
##4F63D8	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0874DC

Deuteranopia (green-blind)

#0068D6

Tritanopia (blue-blind)

#007F94

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #4f63d8;
/* rgb */ color: rgb(79, 99, 216);
/* oklch */ color: oklch(54.9% 0.180 271.9);

Tailwind

colors: {
  custom: {
    50: '#8e8fe5',
    500: '#4f63d8',
    950: '#000000',
  },
}

SCSS

$custom: #4f63d8;
$custom-light: #8e8fe5;
$custom-dark: #000000;

JSON

{
  "hex": "#4f63d8",
  "rgb": {
    "r": 79,
    "g": 99,
    "b": 216
  },
  "hsl": {
    "h": 231.241,
    "s": 63.721,
    "l": 57.843
  },
  "oklch": {
    "l": 0.54876,
    "c": 0.17958,
    "h": 271.9
  },
  "luminance": 0.15544
}

Semantic roles & 50–950 ramp

primary

#4F63D8

secondary

#DDD5A6

accent

#CF41E7

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4F63D8

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

Preview Lab → · Contrast checker → · Palette generator →