#4540AF#4540AF

#4540AF is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.6% C 0.171 H 278.9°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#4540AF
RGB	rgb(69, 64, 175)
HSL	hsl(243, 46%, 47%)
HSV	hsv(243, 63%, 69%)
CMYK	cmyk(60.6%, 63.4%, 0%, 31.4%)
CIE-LAB	lab(34.04, 35.31, -58.70)
CIE-LCH	lch(34.04, 68.50, 301.03°)
OKLab	oklab(44.6% 0.0264 -0.1689)
OKLCH	oklch(44.6% 0.171 278.9)
XYZ	xyz(12.0230, 8.0263, 41.4648)
Luminance	0.0803 (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

#4540AF #AAAF40

analogous

#4073AF #4540AF #7D40AF

triadic

#4540AF #AF4540 #40AF45

tetradic

#4540AF #AF4073 #AAAF40 #40AF7D

square

#4540AF #AF4073 #AAAF40 #40AF7D

split-complementary

#4540AF #AF7D40 #73AF40

monochromatic

#221F55 #333082 #4540AF #6A65C7 #9592D7

Accessibility & contrast

On white

8.06

#4540AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#4540AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4540AF

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4540AF	#FFFFFF	#000000	##FFFFFF
##4540AF	1.00	8.06	2.61	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B3

Deuteranopia (green-blind)

#004CAD

Tritanopia (blue-blind)

#005C71

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4540af;
/* rgb */ color: rgb(69, 64, 175);
/* oklch */ color: oklch(44.6% 0.171 278.9);

Tailwind

colors: {
  custom: {
    50: '#8475c8',
    500: '#4540af',
    950: '#000000',
  },
}

SCSS

$custom: #4540af;
$custom-light: #8475c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4540af",
  "rgb": {
    "r": 69,
    "g": 64,
    "b": 175
  },
  "hsl": {
    "h": 242.703,
    "s": 46.444,
    "l": 46.863
  },
  "oklch": {
    "l": 0.44596,
    "c": 0.17096,
    "h": 278.9
  },
  "luminance": 0.08027
}

Semantic roles & 50–950 ramp

primary

#4540AF

secondary

#C0C388

accent

#D652D0

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4540AF

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

Preview Lab → · Contrast checker → · Palette generator →