#4F63C8#4F63C8

#4F63C8 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.7% C 0.158 H 271.7°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#4F63C8
RGB	rgb(79, 99, 200)
HSL	hsl(230, 52%, 55%)
HSV	hsv(230, 61%, 78%)
CMYK	cmyk(60.5%, 50.5%, 0%, 21.6%)
CIE-LAB	lab(45.30, 23.50, -55.06)
CIE-LCH	lch(45.30, 59.86, 293.11°)
OKLab	oklab(53.73% 0.0046 -0.1576)
OKLCH	oklch(53.73% 0.158 271.7)
XYZ	xyz(18.1081, 14.7546, 56.5261)
Luminance	0.1476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F63C8 #C8B44F

analogous

#4F9FC8 #4F63C8 #784FC8

triadic

#4F63C8 #C84F63 #63C84F

tetradic

#4F63C8 #C84F9F #C8B44F #4FC878

square

#4F63C8 #C84F9F #C8B44F #4FC878

split-complementary

#4F63C8 #C8784F #9FC84F

monochromatic

#253377 #3447A6 #4F63C8 #7E8CD7 #ACB6E5

Accessibility & contrast

On white

5.31

#4F63C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#4F63C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F63C8

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F63C8	#FFFFFF	#000000	##FFFFFF
##4F63C8	1.00	5.31	3.95	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C71CC

Deuteranopia (green-blind)

#0E66C6

Tritanopia (blue-blind)

#007A8C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #4f63c8;
/* rgb */ color: rgb(79, 99, 200);
/* oklch */ color: oklch(53.7% 0.158 271.7);

Tailwind

colors: {
  custom: {
    50: '#8b8fd9',
    500: '#4f63c8',
    950: '#000000',
  },
}

SCSS

$custom: #4f63c8;
$custom-light: #8b8fd9;
$custom-dark: #000000;

JSON

{
  "hex": "#4f63c8",
  "rgb": {
    "r": 79,
    "g": 99,
    "b": 200
  },
  "hsl": {
    "h": 230.083,
    "s": 52.381,
    "l": 54.706
  },
  "oklch": {
    "l": 0.53727,
    "c": 0.15769,
    "h": 271.7
  },
  "luminance": 0.14756
}

Semantic roles & 50–950 ramp

primary

#4F63C8

secondary

#D3CAA0

accent

#C44CDC

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4F63C8

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

Preview Lab → · Contrast checker → · Palette generator →