#4C39B2#4C39B2

#4C39B2 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.3% C 0.182 H 283.2°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#4C39B2
RGB	rgb(76, 57, 178)
HSL	hsl(249, 51%, 46%)
HSV	hsv(249, 68%, 70%)
CMYK	cmyk(57.3%, 68%, 0%, 30.2%)
CIE-LAB	lab(33.30, 41.62, -61.66)
CIE-LCH	lch(33.30, 74.39, 304.02°)
OKLab	oklab(44.28% 0.0416 -0.1774)
OKLCH	oklch(44.28% 0.182 283.2)
XYZ	xyz(12.4770, 7.6763, 42.9351)
Luminance	0.0768 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.43

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C39B2 #9FB239

analogous

#3963B2 #4C39B2 #8839B2

triadic

#4C39B2 #B24C39 #39B24C

tetradic

#4C39B2 #B23963 #9FB239 #39B288

square

#4C39B2 #B23963 #9FB239 #39B288

split-complementary

#4C39B2 #B28839 #63B239

monochromatic

#241B55 #382A84 #4C39B2 #6E5DCB #988BDA

Accessibility & contrast

On white

8.28

#4C39B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#4C39B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C39B2

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C39B2	#FFFFFF	#000000	##FFFFFF
##4C39B2	1.00	8.28	2.54	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B6

Deuteranopia (green-blind)

#004AB0

Tritanopia (blue-blind)

#165871

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4c39b2;
/* rgb */ color: rgb(76, 57, 178);
/* oklch */ color: oklch(44.3% 0.182 283.2);

Tailwind

colors: {
  custom: {
    50: '#8971ca',
    500: '#4c39b2',
    950: '#000000',
  },
}

SCSS

$custom: #4c39b2;
$custom-light: #8971ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4c39b2",
  "rgb": {
    "r": 76,
    "g": 57,
    "b": 178
  },
  "hsl": {
    "h": 249.421,
    "s": 51.489,
    "l": 46.078
  },
  "oklch": {
    "l": 0.44283,
    "c": 0.18223,
    "h": 283.2
  },
  "luminance": 0.07677
}

Semantic roles & 50–950 ramp

primary

#4C39B2

secondary

#BAC482

accent

#DB4DC5

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0D0813

muted

#7D7B82

Preview Lab

Preview with #4C39B2

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

Preview Lab → · Contrast checker → · Palette generator →