#4539B8#4539B8

#4539B8 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.3% C 0.191 H 279.4°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#4539B8
RGB	rgb(69, 57, 184)
HSL	hsl(246, 53%, 47%)
HSV	hsv(246, 69%, 72%)
CMYK	cmyk(62.5%, 69%, 0%, 27.8%)
CIE-LAB	lab(33.25, 42.45, -65.33)
CIE-LCH	lch(33.25, 77.91, 303.02°)
OKLab	oklab(44.26% 0.0313 -0.1884)
OKLCH	oklch(44.26% 0.191 279.4)
XYZ	xyz(12.5663, 7.6512, 46.1527)
Luminance	0.0765 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.65

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4539B8 #ACB839

analogous

#396DB8 #4539B8 #8439B8

triadic

#4539B8 #B84539 #39B845

tetradic

#4539B8 #B8396D #ACB839 #39B884

square

#4539B8 #B8396D #ACB839 #39B884

split-complementary

#4539B8 #B88439 #6DB839

monochromatic

#221C5B #332B89 #4539B8 #6B60CE #968FDC

Accessibility & contrast

On white

8.30

#4539B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#4539B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4539B8

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4539B8	#FFFFFF	#000000	##FFFFFF
##4539B8	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BC

Deuteranopia (green-blind)

#0049B6

Tritanopia (blue-blind)

#005B74

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4539b8;
/* rgb */ color: rgb(69, 57, 184);
/* oklch */ color: oklch(44.3% 0.191 279.4);

Tailwind

colors: {
  custom: {
    50: '#8671ce',
    500: '#4539b8',
    950: '#000000',
  },
}

SCSS

$custom: #4539b8;
$custom-light: #8671ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4539b8",
  "rgb": {
    "r": 69,
    "g": 57,
    "b": 184
  },
  "hsl": {
    "h": 245.669,
    "s": 52.697,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44261,
    "c": 0.19095,
    "h": 279.4
  },
  "luminance": 0.07652
}

Semantic roles & 50–950 ramp

primary

#4539B8

secondary

#C1C786

accent

#DC4CCE

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #4539B8

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

Preview Lab → · Contrast checker → · Palette generator →