#4540AE#4540AE

#4540AE is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.5% C 0.170 H 279.0°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#4540AE
RGB	rgb(69, 64, 174)
HSL	hsl(243, 46%, 47%)
HSV	hsv(243, 63%, 68%)
CMYK	cmyk(60.3%, 63.2%, 0%, 31.8%)
CIE-LAB	lab(33.96, 34.98, -58.23)
CIE-LCH	lch(33.96, 67.93, 300.99°)
OKLab	oklab(44.51% 0.0265 -0.1675)
OKLCH	oklch(44.51% 0.17 279)
XYZ	xyz(11.9252, 7.9871, 40.9494)
Luminance	0.0799 (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

#4540AE #A9AE40

analogous

#4072AE #4540AE #7C40AE

triadic

#4540AE #AE4540 #40AE45

tetradic

#4540AE #AE4072 #A9AE40 #40AE7C

square

#4540AE #AE4072 #A9AE40 #40AE7C

split-complementary

#4540AE #AE7C40 #72AE40

monochromatic

#221F55 #333081 #4540AE #6965C6 #9592D7

Accessibility & contrast

On white

8.08

#4540AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#4540AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4540AE

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4540AE	#FFFFFF	#000000	##FFFFFF
##4540AE	1.00	8.08	2.60	8.08
#FFFFFF	8.08	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B2

Deuteranopia (green-blind)

#004BAC

Tritanopia (blue-blind)

#005B71

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4540ae;
/* rgb */ color: rgb(69, 64, 174);
/* oklch */ color: oklch(44.5% 0.170 279.0);

Tailwind

colors: {
  custom: {
    50: '#8475c7',
    500: '#4540ae',
    950: '#000000',
  },
}

SCSS

$custom: #4540ae;
$custom-light: #8475c7;
$custom-dark: #000000;

JSON

{
  "hex": "#4540ae",
  "rgb": {
    "r": 69,
    "g": 64,
    "b": 174
  },
  "hsl": {
    "h": 242.727,
    "s": 46.218,
    "l": 46.667
  },
  "oklch": {
    "l": 0.44511,
    "c": 0.16962,
    "h": 279
  },
  "luminance": 0.07988
}

Semantic roles & 50–950 ramp

primary

#4540AE

secondary

#BFC288

accent

#D652D0

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4540AE

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

Preview Lab → · Contrast checker → · Palette generator →