#4539BE#4539BE

#4539BE is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.8% C 0.198 H 278.8°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#4539BE
RGB	rgb(69, 57, 190)
HSL	hsl(245, 54%, 48%)
HSV	hsv(245, 70%, 75%)
CMYK	cmyk(63.7%, 70%, 0%, 25.5%)
CIE-LAB	lab(33.79, 44.37, -67.97)
CIE-LCH	lch(33.79, 81.18, 303.13°)
OKLab	oklab(44.82% 0.0303 -0.1961)
OKLCH	oklch(44.82% 0.198 278.8)
XYZ	xyz(13.2087, 7.9081, 49.5356)
Luminance	0.0791 (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

#4539BE #B2BE39

analogous

#396FBE #4539BE #8739BE

triadic

#4539BE #BE4539 #39BE45

tetradic

#4539BE #BE396F #B2BE39 #39BE87

square

#4539BE #BE396F #B2BE39 #39BE87

split-complementary

#4539BE #BE8739 #6FBE39

monochromatic

#231D60 #342B8F #4539BE #6E64D0 #9A93DF

Accessibility & contrast

On white

8.13

#4539BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#4539BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4539BE

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4539BE	#FFFFFF	#000000	##FFFFFF
##4539BE	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C2

Deuteranopia (green-blind)

#004ABC

Tritanopia (blue-blind)

#005D77

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4539be;
/* rgb */ color: rgb(69, 57, 190);
/* oklch */ color: oklch(44.8% 0.198 278.8);

Tailwind

colors: {
  custom: {
    50: '#8771d3',
    500: '#4539be',
    950: '#000000',
  },
}

SCSS

$custom: #4539be;
$custom-light: #8771d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4539be",
  "rgb": {
    "r": 69,
    "g": 57,
    "b": 190
  },
  "hsl": {
    "h": 245.414,
    "s": 53.846,
    "l": 48.431
  },
  "oklch": {
    "l": 0.44818,
    "c": 0.19845,
    "h": 278.8
  },
  "luminance": 0.07909
}

Semantic roles & 50–950 ramp

primary

#4539BE

secondary

#C4CA89

accent

#DD4BD0

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0814

muted

#7E7B83

Preview Lab

Preview with #4539BE

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

Preview Lab → · Contrast checker → · Palette generator →