#4B40BF#4B40BF

#4B40BF is a mid, vivid blue. Relative luminance 0.089; OKLCH L 46.4% C 0.191 H 279.8°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#4B40BF
RGB	rgb(75, 64, 191)
HSL	hsl(245, 50%, 50%)
HSV	hsv(245, 66%, 75%)
CMYK	cmyk(60.7%, 66.5%, 0%, 25.1%)
CIE-LAB	lab(35.84, 41.48, -65.19)
CIE-LCH	lch(35.84, 77.27, 302.47°)
OKLab	oklab(46.44% 0.0326 -0.1878)
OKLCH	oklch(46.44% 0.191 279.8)
XYZ	xyz(14.1360, 8.9232, 50.2575)
Luminance	0.0892 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.59

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B40BF #B4BF40

analogous

#4074BF #4B40BF #8B40BF

triadic

#4B40BF #BF4B40 #40BF4B

tetradic

#4B40BF #BF4074 #B4BF40 #40BF8B

square

#4B40BF #BF4074 #B4BF40 #40BF8B

split-complementary

#4B40BF #BF8B40 #74BF40

monochromatic

#272163 #393191 #4B40BF #766ECE #A19CDE

Accessibility & contrast

On white

7.54

#4B40BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#4B40BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B40BF

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B40BF	#FFFFFF	#000000	##FFFFFF
##4B40BF	1.00	7.54	2.78	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C3

Deuteranopia (green-blind)

#004FBD

Tritanopia (blue-blind)

#00617A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4b40bf;
/* rgb */ color: rgb(75, 64, 191);
/* oklch */ color: oklch(46.4% 0.191 279.8);

Tailwind

colors: {
  custom: {
    50: '#8a76d3',
    500: '#4b40bf',
    950: '#000000',
  },
}

SCSS

$custom: #4b40bf;
$custom-light: #8a76d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4b40bf",
  "rgb": {
    "r": 75,
    "g": 64,
    "b": 191
  },
  "hsl": {
    "h": 245.197,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.46436,
    "c": 0.1906,
    "h": 279.8
  },
  "luminance": 0.08924
}

Semantic roles & 50–950 ramp

primary

#4B40BF

secondary

#C5CA91

accent

#D94ECD

background

#F9F7FD

surface

#F1EDFA

border

#CBC8D3

text

#0D0814

muted

#7E7B83

Preview Lab

Preview with #4B40BF

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

Preview Lab → · Contrast checker → · Palette generator →