#4539B5#4539B5

#4539B5 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 44.0% C 0.187 H 279.8°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#4539B5
RGB	rgb(69, 57, 181)
HSL	hsl(246, 52%, 47%)
HSV	hsv(246, 69%, 71%)
CMYK	cmyk(61.9%, 68.5%, 0%, 29%)
CIE-LAB	lab(32.98, 41.49, -63.99)
CIE-LCH	lch(32.98, 76.27, 302.96°)
OKLab	oklab(43.99% 0.0317 -0.1845)
OKLCH	oklch(43.99% 0.187 279.8)
XYZ	xyz(12.2552, 7.5267, 44.5141)
Luminance	0.0753 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.63

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4539B5 #A9B539

analogous

#396BB5 #4539B5 #8339B5

triadic

#4539B5 #B54539 #39B545

tetradic

#4539B5 #B5396B #A9B539 #39B583

square

#4539B5 #B5396B #A9B539 #39B583

split-complementary

#4539B5 #B58339 #6BB539

monochromatic

#221C58 #332A86 #4539B5 #695FCD #958DDB

Accessibility & contrast

On white

8.38

#4539B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#4539B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4539B5

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4539B5	#FFFFFF	#000000	##FFFFFF
##4539B5	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B9

Deuteranopia (green-blind)

#0049B3

Tritanopia (blue-blind)

#005A72

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4539b5;
/* rgb */ color: rgb(69, 57, 181);
/* oklch */ color: oklch(44.0% 0.187 279.8);

Tailwind

colors: {
  custom: {
    50: '#8671cc',
    500: '#4539b5',
    950: '#000000',
  },
}

SCSS

$custom: #4539b5;
$custom-light: #8671cc;
$custom-dark: #000000;

JSON

{
  "hex": "#4539b5",
  "rgb": {
    "r": 69,
    "g": 57,
    "b": 181
  },
  "hsl": {
    "h": 245.806,
    "s": 52.101,
    "l": 46.667
  },
  "oklch": {
    "l": 0.43985,
    "c": 0.18717,
    "h": 279.8
  },
  "luminance": 0.07528
}

Semantic roles & 50–950 ramp

primary

#4539B5

secondary

#BFC684

accent

#DC4CCE

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4539B5

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

Preview Lab → · Contrast checker → · Palette generator →