#4B408C#4B408C

#4B408C is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.3% C 0.121 H 286.6°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#4B408C
RGB	rgb(75, 64, 140)
HSL	hsl(249, 37%, 40%)
HSV	hsv(249, 54%, 55%)
CMYK	cmyk(46.4%, 54.3%, 0%, 45.1%)
CIE-LAB	lab(31.93, 25.17, -40.91)
CIE-LCH	lch(31.93, 48.03, 301.60°)
OKLab	oklab(42.35% 0.0348 -0.1164)
OKLCH	oklch(42.35% 0.122 286.6)
XYZ	xyz(9.4673, 7.0557, 25.6689)
Luminance	0.0706 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B408C #818C40

analogous

#405B8C #4B408C #71408C

triadic

#4B408C #8C4B40 #408C4B

tetradic

#4B408C #8C405B #818C40 #408C71

square

#4B408C #8C405B #818C40 #408C71

split-complementary

#4B408C #8C7140 #5B8C40

monochromatic

#1E1A38 #342D62 #4B408C #6457B2 #8B81C5

Accessibility & contrast

On white

8.71

#4B408C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#4B408C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B408C

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B408C	#FFFFFF	#000000	##FFFFFF
##4B408C	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4D8F

Deuteranopia (green-blind)

#1A498A

Tritanopia (blue-blind)

#36505F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4b408c;
/* rgb */ color: rgb(75, 64, 140);
/* oklch */ color: oklch(42.3% 0.121 286.6);

Tailwind

colors: {
  custom: {
    50: '#8275ae',
    500: '#4b408c',
    950: '#000000',
  },
}

SCSS

$custom: #4b408c;
$custom-light: #8275ae;
$custom-dark: #000000;

JSON

{
  "hex": "#4b408c",
  "rgb": {
    "r": 75,
    "g": 64,
    "b": 140
  },
  "hsl": {
    "h": 248.684,
    "s": 37.255,
    "l": 40
  },
  "oklch": {
    "l": 0.42345,
    "c": 0.1215,
    "h": 286.6
  },
  "luminance": 0.07056
}

Semantic roles & 50–950 ramp

primary

#4B408C

secondary

#A8B078

accent

#CD5BBD

background

#F8F7FA

surface

#EFEDF4

border

#CAC8CE

text

#0B0810

muted

#7C7B7F

Preview Lab

Preview with #4B408C

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

Preview Lab → · Contrast checker → · Palette generator →