#4C39B4#4C39B4

#4C39B4 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.5% C 0.185 H 282.9°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#4C39B4
RGB	rgb(76, 57, 180)
HSL	hsl(249, 52%, 46%)
HSV	hsv(249, 68%, 71%)
CMYK	cmyk(57.8%, 68.3%, 0%, 29.4%)
CIE-LAB	lab(33.47, 42.24, -62.57)
CIE-LCH	lch(33.47, 75.49, 304.02°)
OKLab	oklab(44.46% 0.0413 -0.1801)
OKLCH	oklch(44.46% 0.185 282.9)
XYZ	xyz(12.6793, 7.7572, 44.0003)
Luminance	0.0776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.40

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C39B4 #A1B439

analogous

#3964B4 #4C39B4 #8A39B4

triadic

#4C39B4 #B44C39 #39B44C

tetradic

#4C39B4 #B43964 #A1B439 #39B48A

square

#4C39B4 #B43964 #A1B439 #39B48A

split-complementary

#4C39B4 #B48A39 #64B439

monochromatic

#251C57 #382A86 #4C39B4 #6F5ECC #998DDB

Accessibility & contrast

On white

8.23

#4C39B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#4C39B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C39B4

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C39B4	#FFFFFF	#000000	##FFFFFF
##4C39B4	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B8

Deuteranopia (green-blind)

#004AB2

Tritanopia (blue-blind)

#125972

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4c39b4;
/* rgb */ color: rgb(76, 57, 180);
/* oklch */ color: oklch(44.5% 0.185 282.9);

Tailwind

colors: {
  custom: {
    50: '#8971cb',
    500: '#4c39b4',
    950: '#000000',
  },
}

SCSS

$custom: #4c39b4;
$custom-light: #8971cb;
$custom-dark: #000000;

JSON

{
  "hex": "#4c39b4",
  "rgb": {
    "r": 76,
    "g": 57,
    "b": 180
  },
  "hsl": {
    "h": 249.268,
    "s": 51.899,
    "l": 46.471
  },
  "oklch": {
    "l": 0.4446,
    "c": 0.18475,
    "h": 282.9
  },
  "luminance": 0.07758
}

Semantic roles & 50–950 ramp

primary

#4C39B4

secondary

#BBC583

accent

#DB4CC5

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0D0813

muted

#7D7B82

Preview Lab

Preview with #4C39B4

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

Preview Lab → · Contrast checker → · Palette generator →