#4539AF#4539AF

#4539AF is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.4% C 0.180 H 280.4°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#4539AF
RGB	rgb(69, 57, 175)
HSL	hsl(246, 51%, 45%)
HSV	hsv(246, 67%, 69%)
CMYK	cmyk(60.6%, 67.4%, 0%, 31.4%)
CIE-LAB	lab(32.45, 39.56, -61.29)
CIE-LCH	lch(32.45, 72.95, 302.84°)
OKLab	oklab(43.44% 0.0326 -0.1765)
OKLCH	oklch(43.44% 0.18 280.4)
XYZ	xyz(11.6528, 7.2858, 41.3414)
Luminance	0.0729 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.77

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4539AF #A3AF39

analogous

#3968AF #4539AF #8039AF

triadic

#4539AF #AF4539 #39AF45

tetradic

#4539AF #AF3968 #A3AF39 #39AF80

square

#4539AF #AF3968 #A3AF39 #39AF80

split-complementary

#4539AF #AF8039 #68AF39

monochromatic

#211B53 #332A81 #4539AF #675BCA #928AD9

Accessibility & contrast

On white

8.55

#4539AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#4539AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4539AF

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4539AF	#FFFFFF	#000000	##FFFFFF
##4539AF	1.00	8.55	2.46	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B3

Deuteranopia (green-blind)

#0048AD

Tritanopia (blue-blind)

#00586F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #4539af;
/* rgb */ color: rgb(69, 57, 175);
/* oklch */ color: oklch(43.4% 0.180 280.4);

Tailwind

colors: {
  custom: {
    50: '#8470c8',
    500: '#4539af',
    950: '#000000',
  },
}

SCSS

$custom: #4539af;
$custom-light: #8470c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4539af",
  "rgb": {
    "r": 69,
    "g": 57,
    "b": 175
  },
  "hsl": {
    "h": 246.102,
    "s": 50.862,
    "l": 45.49
  },
  "oklch": {
    "l": 0.43442,
    "c": 0.17952,
    "h": 280.4
  },
  "luminance": 0.07287
}

Semantic roles & 50–950 ramp

primary

#4539AF

secondary

#BCC381

accent

#DA4DCC

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4539AF

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

Preview Lab → · Contrast checker → · Palette generator →