#4C39AE#4C39AE

#4C39AE is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.9% C 0.177 H 283.8°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#4C39AE
RGB	rgb(76, 57, 174)
HSL	hsl(250, 51%, 45%)
HSV	hsv(250, 67%, 68%)
CMYK	cmyk(56.3%, 67.2%, 0%, 31.8%)
CIE-LAB	lab(32.96, 40.37, -59.84)
CIE-LCH	lch(32.96, 72.18, 304.01°)
OKLab	oklab(43.93% 0.0422 -0.1721)
OKLCH	oklch(43.93% 0.177 283.8)
XYZ	xyz(12.0813, 7.5180, 40.8507)
Luminance	0.0752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.59

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C39AE #9BAE39

analogous

#3960AE #4C39AE #8739AE

triadic

#4C39AE #AE4C39 #39AE4C

tetradic

#4C39AE #AE3960 #9BAE39 #39AE87

square

#4C39AE #AE3960 #9BAE39 #39AE87

split-complementary

#4C39AE #AE8739 #60AE39

monochromatic

#241B52 #382A80 #4C39AE #6D5BC9 #9689D8

Accessibility & contrast

On white

8.39

#4C39AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#4C39AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C39AE

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C39AE	#FFFFFF	#000000	##FFFFFF
##4C39AE	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B2

Deuteranopia (green-blind)

#004AAC

Tritanopia (blue-blind)

#1C576E

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #4c39ae;
/* rgb */ color: rgb(76, 57, 174);
/* oklch */ color: oklch(43.9% 0.177 283.8);

Tailwind

colors: {
  custom: {
    50: '#8871c7',
    500: '#4c39ae',
    950: '#000000',
  },
}

SCSS

$custom: #4c39ae;
$custom-light: #8871c7;
$custom-dark: #000000;

JSON

{
  "hex": "#4c39ae",
  "rgb": {
    "r": 76,
    "g": 57,
    "b": 174
  },
  "hsl": {
    "h": 249.744,
    "s": 50.649,
    "l": 45.294
  },
  "oklch": {
    "l": 0.43931,
    "c": 0.17716,
    "h": 283.8
  },
  "luminance": 0.07519
}

Semantic roles & 50–950 ramp

primary

#4C39AE

secondary

#B8C380

accent

#DA4EC3

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4C39AE

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

Preview Lab → · Contrast checker → · Palette generator →