#4C40AF#4C40AF

#4C40AF is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.1% C 0.170 H 282.1°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#4C40AF
RGB	rgb(76, 64, 175)
HSL	hsl(246, 46%, 47%)
HSV	hsv(246, 63%, 69%)
CMYK	cmyk(56.6%, 63.4%, 0%, 31.4%)
CIE-LAB	lab(34.60, 36.52, -57.76)
CIE-LCH	lch(34.60, 68.34, 302.30°)
OKLab	oklab(45.14% 0.0355 -0.1659)
OKLCH	oklch(45.14% 0.17 282.1)
XYZ	xyz(12.5494, 8.2976, 41.4895)
Luminance	0.0830 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.08

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C40AF #A3AF40

analogous

#406CAF #4C40AF #8340AF

triadic

#4C40AF #AF4C40 #40AF4C

tetradic

#4C40AF #AF406C #A3AF40 #40AF83

square

#4C40AF #AF406C #A3AF40 #40AF83

split-complementary

#4C40AF #AF8340 #6CAF40

monochromatic

#251F55 #393082 #4C40AF #7065C7 #9A92D7

Accessibility & contrast

On white

7.90

#4C40AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#4C40AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C40AF

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C40AF	#FFFFFF	#000000	##FFFFFF
##4C40AF	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B3

Deuteranopia (green-blind)

#004DAD

Tritanopia (blue-blind)

#1A5B71

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4c40af;
/* rgb */ color: rgb(76, 64, 175);
/* oklch */ color: oklch(45.1% 0.170 282.1);

Tailwind

colors: {
  custom: {
    50: '#8875c8',
    500: '#4c40af',
    950: '#000000',
  },
}

SCSS

$custom: #4c40af;
$custom-light: #8875c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4c40af",
  "rgb": {
    "r": 76,
    "g": 64,
    "b": 175
  },
  "hsl": {
    "h": 246.486,
    "s": 46.444,
    "l": 46.863
  },
  "oklch": {
    "l": 0.45144,
    "c": 0.16971,
    "h": 282.1
  },
  "luminance": 0.08298
}

Semantic roles & 50–950 ramp

primary

#4C40AF

secondary

#BCC388

accent

#D652C8

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4C40AF

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

Preview Lab → · Contrast checker → · Palette generator →