#4C378F#4C378F

#4C378F is a dark, vivid violet. Relative luminance 0.063; OKLCH L 41.0% C 0.139 H 289.9°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#4C378F
RGB	rgb(76, 55, 143)
HSL	hsl(254, 44%, 39%)
HSV	hsv(254, 62%, 56%)
CMYK	cmyk(46.9%, 61.5%, 0%, 43.9%)
CIE-LAB	lab(30.04, 31.98, -45.80)
CIE-LCH	lch(30.04, 55.87, 304.93°)
OKLab	oklab(41.04% 0.0472 -0.1308)
OKLCH	oklch(41.04% 0.139 289.9)
XYZ	xyz(9.3032, 6.2517, 26.6978)
Luminance	0.0625 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 8.37

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C378F #7A8F37

analogous

#374E8F #4C378F #78378F

triadic

#4C378F #8F4C37 #378F4C

tetradic

#4C378F #8F374E #7A8F37 #378F78

square

#4C378F #8F374E #7A8F37 #378F78

split-complementary

#4C378F #8F7837 #4E8F37

monochromatic

#1D1537 #352663 #4C378F #644AB9 #8A76CA

Accessibility & contrast

On white

9.33

#4C378F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#4C378F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C378F

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C378F	#FFFFFF	#000000	##FFFFFF
##4C378F	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004892

Deuteranopia (green-blind)

#00458D

Tritanopia (blue-blind)

#374B5D

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #4c378f;
/* rgb */ color: rgb(76, 55, 143);
/* oklch */ color: oklch(41.0% 0.139 289.9);

Tailwind

colors: {
  custom: {
    50: '#836fb0',
    500: '#4c378f',
    950: '#000000',
  },
}

SCSS

$custom: #4c378f;
$custom-light: #836fb0;
$custom-dark: #000000;

JSON

{
  "hex": "#4c378f",
  "rgb": {
    "r": 76,
    "g": 55,
    "b": 143
  },
  "hsl": {
    "h": 254.318,
    "s": 44.444,
    "l": 38.824
  },
  "oklch": {
    "l": 0.41037,
    "c": 0.13908,
    "h": 289.9
  },
  "luminance": 0.06252
}

Semantic roles & 50–950 ramp

primary

#4C378F

secondary

#A3B36F

accent

#D454B5

background

#F8F6FA

surface

#EFECF5

border

#CAC7CF

text

#0B0711

muted

#7C7A80

Preview Lab

Preview with #4C378F

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

Preview Lab → · Contrast checker → · Palette generator →