#4C39AF#4C39AF

#4C39AF is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.0% C 0.178 H 283.6°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#4C39AF
RGB	rgb(76, 57, 175)
HSL	hsl(250, 51%, 45%)
HSV	hsv(250, 67%, 69%)
CMYK	cmyk(56.6%, 67.4%, 0%, 31.4%)
CIE-LAB	lab(33.04, 40.68, -60.29)
CIE-LCH	lch(33.04, 72.74, 304.01°)
OKLab	oklab(44.02% 0.0421 -0.1734)
OKLCH	oklch(44.02% 0.178 283.6)
XYZ	xyz(12.1791, 7.5572, 41.3660)
Luminance	0.0756 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.54

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C39AF #9CAF39

analogous

#3961AF #4C39AF #8739AF

triadic

#4C39AF #AF4C39 #39AF4C

tetradic

#4C39AF #AF3961 #9CAF39 #39AF87

square

#4C39AF #AF3961 #9CAF39 #39AF87

split-complementary

#4C39AF #AF8739 #61AF39

monochromatic

#241B53 #382A81 #4C39AF #6D5BCA #968AD9

Accessibility & contrast

On white

8.36

#4C39AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#4C39AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C39AF

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C39AF	#FFFFFF	#000000	##FFFFFF
##4C39AF	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B3

Deuteranopia (green-blind)

#004AAD

Tritanopia (blue-blind)

#1B576F

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4c39af;
/* rgb */ color: rgb(76, 57, 175);
/* oklch */ color: oklch(44.0% 0.178 283.6);

Tailwind

colors: {
  custom: {
    50: '#8871c8',
    500: '#4c39af',
    950: '#000000',
  },
}

SCSS

$custom: #4c39af;
$custom-light: #8871c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4c39af",
  "rgb": {
    "r": 76,
    "g": 57,
    "b": 175
  },
  "hsl": {
    "h": 249.661,
    "s": 50.862,
    "l": 45.49
  },
  "oklch": {
    "l": 0.44019,
    "c": 0.17843,
    "h": 283.6
  },
  "luminance": 0.07558
}

Semantic roles & 50–950 ramp

primary

#4C39AF

secondary

#B8C381

accent

#DA4DC4

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4C39AF

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

Preview Lab → · Contrast checker → · Palette generator →