#4B39B7#4B39B7

#4B39B7 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.6% C 0.189 H 282.1°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#4B39B7
RGB	rgb(75, 57, 183)
HSL	hsl(249, 53%, 47%)
HSV	hsv(249, 69%, 72%)
CMYK	cmyk(59%, 68.9%, 0%, 28.2%)
CIE-LAB	lab(33.65, 43.02, -64.06)
CIE-LCH	lch(33.65, 77.16, 303.88°)
OKLab	oklab(44.65% 0.0395 -0.1845)
OKLCH	oklch(44.65% 0.189 282.1)
XYZ	xyz(12.9094, 7.8401, 45.6236)
Luminance	0.0784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.41

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B39B7 #A5B739

analogous

#3966B7 #4B39B7 #8A39B7

triadic

#4B39B7 #B74B39 #39B74B

tetradic

#4B39B7 #B73966 #A5B739 #39B78A

square

#4B39B7 #B73966 #A5B739 #39B78A

split-complementary

#4B39B7 #B78A39 #66B739

monochromatic

#251C5A #382A88 #4B39B7 #6F60CD #9A8EDC

Accessibility & contrast

On white

8.18

#4B39B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#4B39B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B39B7

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B39B7	#FFFFFF	#000000	##FFFFFF
##4B39B7	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BB

Deuteranopia (green-blind)

#004BB5

Tritanopia (blue-blind)

#025A73

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4b39b7;
/* rgb */ color: rgb(75, 57, 183);
/* oklch */ color: oklch(44.6% 0.189 282.1);

Tailwind

colors: {
  custom: {
    50: '#8971ce',
    500: '#4b39b7',
    950: '#000000',
  },
}

SCSS

$custom: #4b39b7;
$custom-light: #8971ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4b39b7",
  "rgb": {
    "r": 75,
    "g": 57,
    "b": 183
  },
  "hsl": {
    "h": 248.571,
    "s": 52.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44645,
    "c": 0.18866,
    "h": 282.1
  },
  "luminance": 0.07841
}

Semantic roles & 50–950 ramp

primary

#4B39B7

secondary

#BDC785

accent

#DC4CC7

background

#F9F6FC

surface

#F1ECF9

border

#CBC7D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #4B39B7

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

Preview Lab → · Contrast checker → · Palette generator →