#4539B9#4539B9

#4539B9 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.4% C 0.192 H 279.3°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#4539B9
RGB	rgb(69, 57, 185)
HSL	hsl(246, 53%, 47%)
HSV	hsv(246, 69%, 73%)
CMYK	cmyk(62.7%, 69.2%, 0%, 27.5%)
CIE-LAB	lab(33.34, 42.77, -65.77)
CIE-LCH	lch(33.34, 78.46, 303.04°)
OKLab	oklab(44.35% 0.0311 -0.1897)
OKLCH	oklch(44.35% 0.192 279.3)
XYZ	xyz(12.6715, 7.6933, 46.7067)
Luminance	0.0769 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.67

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4539B9 #ADB939

analogous

#396DB9 #4539B9 #8539B9

triadic

#4539B9 #B94539 #39B945

tetradic

#4539B9 #B9396D #ADB939 #39B985

square

#4539B9 #B9396D #ADB939 #39B985

split-complementary

#4539B9 #B98539 #6DB939

monochromatic

#221C5B #342B8A #4539B9 #6B61CE #9790DD

Accessibility & contrast

On white

8.27

#4539B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#4539B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4539B9

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4539B9	#FFFFFF	#000000	##FFFFFF
##4539B9	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BD

Deuteranopia (green-blind)

#0049B7

Tritanopia (blue-blind)

#005B74

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4539b9;
/* rgb */ color: rgb(69, 57, 185);
/* oklch */ color: oklch(44.4% 0.192 279.3);

Tailwind

colors: {
  custom: {
    50: '#8671cf',
    500: '#4539b9',
    950: '#000000',
  },
}

SCSS

$custom: #4539b9;
$custom-light: #8671cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4539b9",
  "rgb": {
    "r": 69,
    "g": 57,
    "b": 185
  },
  "hsl": {
    "h": 245.625,
    "s": 52.893,
    "l": 47.451
  },
  "oklch": {
    "l": 0.44353,
    "c": 0.1922,
    "h": 279.3
  },
  "luminance": 0.07694
}

Semantic roles & 50–950 ramp

primary

#4539B9

secondary

#C1C886

accent

#DC4BCF

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #4539B9

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

Preview Lab → · Contrast checker → · Palette generator →