#4539B7#4539B7

#4539B7 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.2% C 0.190 H 279.5°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#4539B7
RGB	rgb(69, 57, 183)
HSL	hsl(246, 53%, 47%)
HSV	hsv(246, 69%, 72%)
CMYK	cmyk(62.3%, 68.9%, 0%, 28.2%)
CIE-LAB	lab(33.16, 42.13, -64.89)
CIE-LCH	lch(33.16, 77.36, 303.00°)
OKLab	oklab(44.17% 0.0314 -0.1871)
OKLCH	oklch(44.17% 0.19 279.5)
XYZ	xyz(12.4619, 7.6094, 45.6026)
Luminance	0.0761 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.64

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4539B7 #ABB739

analogous

#396CB7 #4539B7 #8439B7

triadic

#4539B7 #B74539 #39B745

tetradic

#4539B7 #B7396C #ABB739 #39B784

square

#4539B7 #B7396C #ABB739 #39B784

split-complementary

#4539B7 #B78439 #6CB739

monochromatic

#221C5A #332A88 #4539B7 #6A60CD #968EDC

Accessibility & contrast

On white

8.33

#4539B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#4539B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4539B7

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4539B7	#FFFFFF	#000000	##FFFFFF
##4539B7	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BB

Deuteranopia (green-blind)

#0049B5

Tritanopia (blue-blind)

#005A73

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4539b7;
/* rgb */ color: rgb(69, 57, 183);
/* oklch */ color: oklch(44.2% 0.190 279.5);

Tailwind

colors: {
  custom: {
    50: '#8671ce',
    500: '#4539b7',
    950: '#000000',
  },
}

SCSS

$custom: #4539b7;
$custom-light: #8671ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4539b7",
  "rgb": {
    "r": 69,
    "g": 57,
    "b": 183
  },
  "hsl": {
    "h": 245.714,
    "s": 52.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44169,
    "c": 0.18969,
    "h": 279.5
  },
  "luminance": 0.0761
}

Semantic roles & 50–950 ramp

primary

#4539B7

secondary

#C0C785

accent

#DC4CCE

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #4539B7

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

Preview Lab → · Contrast checker → · Palette generator →