#4F40BF#4F40BF

#4F40BF is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.7% C 0.190 H 281.5°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#4F40BF
RGB	rgb(79, 64, 191)
HSL	hsl(247, 50%, 50%)
HSV	hsv(247, 66%, 75%)
CMYK	cmyk(58.6%, 66.5%, 0%, 25.1%)
CIE-LAB	lab(36.16, 42.10, -64.66)
CIE-LCH	lch(36.16, 77.15, 303.07°)
OKLab	oklab(46.75% 0.0378 -0.1861)
OKLCH	oklch(46.75% 0.19 281.5)
XYZ	xyz(14.4589, 9.0897, 50.2727)
Luminance	0.0909 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.53

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F40BF #B0BF40

analogous

#4070BF #4F40BF #8F40BF

triadic

#4F40BF #BF4F40 #40BF4F

tetradic

#4F40BF #BF4070 #B0BF40 #40BF8F

square

#4F40BF #BF4070 #B0BF40 #40BF8F

split-complementary

#4F40BF #BF8F40 #70BF40

monochromatic

#292163 #3C3191 #4F40BF #796ECE #A39CDE

Accessibility & contrast

On white

7.45

#4F40BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#4F40BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F40BF

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F40BF	#FFFFFF	#000000	##FFFFFF
##4F40BF	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C3

Deuteranopia (green-blind)

#0050BD

Tritanopia (blue-blind)

#04617A

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4f40bf;
/* rgb */ color: rgb(79, 64, 191);
/* oklch */ color: oklch(46.7% 0.190 281.5);

Tailwind

colors: {
  custom: {
    50: '#8c76d3',
    500: '#4f40bf',
    950: '#000000',
  },
}

SCSS

$custom: #4f40bf;
$custom-light: #8c76d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4f40bf",
  "rgb": {
    "r": 79,
    "g": 64,
    "b": 191
  },
  "hsl": {
    "h": 247.087,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.46748,
    "c": 0.18991,
    "h": 281.5
  },
  "luminance": 0.09091
}

Semantic roles & 50–950 ramp

primary

#4F40BF

secondary

#C3CA91

accent

#D94EC9

background

#F9F7FD

surface

#F1EDFA

border

#CBC8D3

text

#0D0814

muted

#7E7B83

Preview Lab

Preview with #4F40BF

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

Preview Lab → · Contrast checker → · Palette generator →