#4539BF#4539BF

#4539BF is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.9% C 0.200 H 278.7°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#4539BF
RGB	rgb(69, 57, 191)
HSL	hsl(245, 54%, 49%)
HSV	hsv(245, 70%, 75%)
CMYK	cmyk(63.9%, 70.2%, 0%, 25.1%)
CIE-LAB	lab(33.88, 44.69, -68.41)
CIE-LCH	lch(33.88, 81.71, 303.15°)
OKLab	oklab(44.91% 0.0301 -0.1974)
OKLCH	oklch(44.91% 0.2 278.7)
XYZ	xyz(13.3183, 7.9520, 50.1132)
Luminance	0.0795 (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

#4539BF #B3BF39

analogous

#3970BF #4539BF #8839BF

triadic

#4539BF #BF4539 #39BF45

tetradic

#4539BF #BF3970 #B3BF39 #39BF88

square

#4539BF #BF3970 #B3BF39 #39BF88

split-complementary

#4539BF #BF8839 #70BF39

monochromatic

#231D61 #342B90 #4539BF #6E64D1 #9A93DF

Accessibility & contrast

On white

8.11

#4539BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#4539BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4539BF

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4539BF	#FFFFFF	#000000	##FFFFFF
##4539BF	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C3

Deuteranopia (green-blind)

#004ABC

Tritanopia (blue-blind)

#005D78

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4539bf;
/* rgb */ color: rgb(69, 57, 191);
/* oklch */ color: oklch(44.9% 0.200 278.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#4539bf",
  "rgb": {
    "r": 69,
    "g": 57,
    "b": 191
  },
  "hsl": {
    "h": 245.373,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.44912,
    "c": 0.19968,
    "h": 278.7
  },
  "luminance": 0.07953
}

Semantic roles & 50–950 ramp

primary

#4539BF

secondary

#C4CA8A

accent

#DD4AD0

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0814

muted

#7E7B83

Preview Lab

Preview with #4539BF

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

Preview Lab → · Contrast checker → · Palette generator →