#4F48CB#4F48CB

#4F48CB is a mid, vivid blue. Relative luminance 0.106; OKLCH L 49.1% C 0.196 H 278.7°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#4F48CB
RGB	rgb(79, 72, 203)
HSL	hsl(243, 56%, 54%)
HSV	hsv(243, 65%, 80%)
CMYK	cmyk(61.1%, 64.5%, 0%, 20.4%)
CIE-LAB	lab(38.91, 41.21, -67.15)
CIE-LCH	lch(38.91, 78.78, 301.54°)
OKLab	oklab(49.05% 0.0297 -0.1934)
OKLCH	oklch(49.05% 0.196 278.7)
XYZ	xyz(16.3179, 10.6076, 57.6759)
Luminance	0.1061 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F48CB #C4CB48

analogous

#4883CB #4F48CB #9148CB

triadic

#4F48CB #CB4F48 #48CB4F

tetradic

#4F48CB #CB4883 #C4CB48 #48CB91

square

#4F48CB #CB4883 #C4CB48 #48CB91

split-complementary

#4F48CB #CB9148 #83CB48

monochromatic

#262277 #362FA6 #4F48CB #7D78D9 #ABA7E6

Accessibility & contrast

On white

6.73

#4F48CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#4F48CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F48CB

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F48CB	#FFFFFF	#000000	##FFFFFF
##4F48CB	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061CF

Deuteranopia (green-blind)

#0056C8

Tritanopia (blue-blind)

#006983

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4f48cb;
/* rgb */ color: rgb(79, 72, 203);
/* oklch */ color: oklch(49.1% 0.196 278.7);

Tailwind

colors: {
  custom: {
    50: '#8d7cdc',
    500: '#4f48cb',
    950: '#000000',
  },
}

SCSS

$custom: #4f48cb;
$custom-light: #8d7cdc;
$custom-dark: #000000;

JSON

{
  "hex": "#4f48cb",
  "rgb": {
    "r": 79,
    "g": 72,
    "b": 203
  },
  "hsl": {
    "h": 243.206,
    "s": 55.745,
    "l": 53.922
  },
  "oklch": {
    "l": 0.49054,
    "c": 0.19567,
    "h": 278.7
  },
  "luminance": 0.10609
}

Semantic roles & 50–950 ramp

primary

#4F48CB

secondary

#D0D39B

accent

#DF49D7

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4F48CB

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

Preview Lab → · Contrast checker → · Palette generator →