#4E40AB#4E40AB

#4E40AB is a dark, vivid blue. Relative luminance 0.082; OKLCH L 45.0% C 0.164 H 283.6°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#4E40AB
RGB	rgb(78, 64, 171)
HSL	hsl(248, 46%, 46%)
HSV	hsv(248, 63%, 67%)
CMYK	cmyk(54.4%, 62.6%, 0%, 32.9%)
CIE-LAB	lab(34.45, 35.61, -55.61)
CIE-LCH	lch(34.45, 66.04, 302.64°)
OKLab	oklab(44.98% 0.0385 -0.1596)
OKLCH	oklch(44.98% 0.164 283.6)
XYZ	xyz(12.3237, 8.2261, 39.4586)
Luminance	0.0823 (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

#4E40AB #9DAB40

analogous

#4067AB #4E40AB #8340AB

triadic

#4E40AB #AB4E40 #40AB4E

tetradic

#4E40AB #AB4067 #9DAB40 #40AB83

square

#4E40AB #AB4067 #9DAB40 #40AB83

split-complementary

#4E40AB #AB8340 #67AB40

monochromatic

#251F52 #3A2F7E #4E40AB #7063C5 #9990D5

Accessibility & contrast

On white

7.94

#4E40AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#4E40AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4E40AB

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E40AB	#FFFFFF	#000000	##FFFFFF
##4E40AB	1.00	7.94	2.65	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AE

Deuteranopia (green-blind)

#004DA9

Tritanopia (blue-blind)

#255A6F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4e40ab;
/* rgb */ color: rgb(78, 64, 171);
/* oklch */ color: oklch(45.0% 0.164 283.6);

Tailwind

colors: {
  custom: {
    50: '#8875c5',
    500: '#4e40ab',
    950: '#000000',
  },
}

SCSS

$custom: #4e40ab;
$custom-light: #8875c5;
$custom-dark: #000000;

JSON

{
  "hex": "#4e40ab",
  "rgb": {
    "r": 78,
    "g": 64,
    "b": 171
  },
  "hsl": {
    "h": 247.85,
    "s": 45.532,
    "l": 46.078
  },
  "oklch": {
    "l": 0.44981,
    "c": 0.16413,
    "h": 283.6
  },
  "luminance": 0.08227
}

Semantic roles & 50–950 ramp

primary

#4E40AB

secondary

#B9C186

accent

#D553C4

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4E40AB

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

Preview Lab → · Contrast checker → · Palette generator →