#4043AF#4043AF

#4043AF is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.8% C 0.168 H 276.0°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#4043AF
RGB	rgb(64, 67, 175)
HSL	hsl(238, 46%, 47%)
HSV	hsv(238, 63%, 69%)
CMYK	cmyk(63.4%, 61.7%, 0%, 31.4%)
CIE-LAB	lab(34.39, 32.62, -58.13)
CIE-LCH	lch(34.39, 66.66, 299.30°)
OKLab	oklab(44.76% 0.0176 -0.1674)
OKLCH	oklch(44.76% 0.168 276)
XYZ	xyz(11.8568, 8.1985, 41.5068)
Luminance	0.0820 (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

#4043AF #AFAC40

analogous

#407BAF #4043AF #7440AF

triadic

#4043AF #AF4043 #43AF40

tetradic

#4043AF #AF407B #AFAC40 #40AF74

square

#4043AF #AF407B #AFAC40 #40AF74

split-complementary

#4043AF #AF7440 #7BAF40

monochromatic

#1F2155 #303282 #4043AF #6568C7 #9294D7

Accessibility & contrast

On white

7.96

#4043AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#4043AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4043AF

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4043AF	#FFFFFF	#000000	##FFFFFF
##4043AF	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B3

Deuteranopia (green-blind)

#004CAD

Tritanopia (blue-blind)

#005E72

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4043af;
/* rgb */ color: rgb(64, 67, 175);
/* oklch */ color: oklch(44.8% 0.168 276.0);

Tailwind

colors: {
  custom: {
    50: '#8177c8',
    500: '#4043af',
    950: '#000000',
  },
}

SCSS

$custom: #4043af;
$custom-light: #8177c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4043af",
  "rgb": {
    "r": 64,
    "g": 67,
    "b": 175
  },
  "hsl": {
    "h": 238.378,
    "s": 46.444,
    "l": 46.863
  },
  "oklch": {
    "l": 0.44764,
    "c": 0.16829,
    "h": 276
  },
  "luminance": 0.08199
}

Semantic roles & 50–950 ramp

primary

#4043AF

secondary

#C3C188

accent

#D352D6

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #4043AF

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

Preview Lab → · Contrast checker → · Palette generator →