#4539B0#4539B0

#4539B0 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.5% C 0.181 H 280.3°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#4539B0
RGB	rgb(69, 57, 176)
HSL	hsl(246, 51%, 46%)
HSV	hsv(246, 68%, 69%)
CMYK	cmyk(60.8%, 67.6%, 0%, 31%)
CIE-LAB	lab(32.54, 39.88, -61.74)
CIE-LCH	lch(32.54, 73.50, 302.86°)
OKLab	oklab(43.53% 0.0324 -0.1779)
OKLCH	oklch(43.53% 0.181 280.3)
XYZ	xyz(11.7514, 7.3252, 41.8605)
Luminance	0.0733 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.73

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4539B0 #A4B039

analogous

#3969B0 #4539B0 #8039B0

triadic

#4539B0 #B04539 #39B045

tetradic

#4539B0 #B03969 #A4B039 #39B080

square

#4539B0 #B03969 #A4B039 #39B080

split-complementary

#4539B0 #B08039 #69B039

monochromatic

#211B54 #332A82 #4539B0 #675CCA #928AD9

Accessibility & contrast

On white

8.52

#4539B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#4539B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4539B0

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4539B0	#FFFFFF	#000000	##FFFFFF
##4539B0	1.00	8.52	2.47	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B4

Deuteranopia (green-blind)

#0048AE

Tritanopia (blue-blind)

#005870

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #4539b0;
/* rgb */ color: rgb(69, 57, 176);
/* oklch */ color: oklch(43.5% 0.181 280.3);

Tailwind

colors: {
  custom: {
    50: '#8570c9',
    500: '#4539b0',
    950: '#000000',
  },
}

SCSS

$custom: #4539b0;
$custom-light: #8570c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4539b0",
  "rgb": {
    "r": 69,
    "g": 57,
    "b": 176
  },
  "hsl": {
    "h": 246.05,
    "s": 51.073,
    "l": 45.686
  },
  "oklch": {
    "l": 0.43532,
    "c": 0.1808,
    "h": 280.3
  },
  "luminance": 0.07326
}

Semantic roles & 50–950 ramp

primary

#4539B0

secondary

#BDC481

accent

#DB4DCC

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4539B0

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

Preview Lab → · Contrast checker → · Palette generator →