#4F378D#4F378D

#4F378D is a dark, vivid violet. Relative luminance 0.063; OKLCH L 41.2% C 0.136 H 292.2°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#4F378D
RGB	rgb(79, 55, 141)
HSL	hsl(257, 44%, 38%)
HSV	hsv(257, 61%, 55%)
CMYK	cmyk(44%, 61%, 0%, 44.7%)
CIE-LAB	lab(30.20, 32.06, -44.30)
CIE-LCH	lch(30.20, 54.68, 305.90°)
OKLab	oklab(41.18% 0.0515 -0.1263)
OKLCH	oklch(41.18% 0.136 292.2)
XYZ	xyz(9.3970, 6.3175, 25.9184)
Luminance	0.0632 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 8.76

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F378D #758D37

analogous

#374A8D #4F378D #7A378D

triadic

#4F378D #8D4F37 #378D4F

tetradic

#4F378D #8D374A #758D37 #378D7A

square

#4F378D #8D374A #758D37 #378D7A

split-complementary

#4F378D #8D7A37 #4A8D37

monochromatic

#1E1535 #362661 #4F378D #6849B8 #8D75C9

Accessibility & contrast

On white

9.28

#4F378D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#4F378D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F378D

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F378D	#FFFFFF	#000000	##FFFFFF
##4F378D	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004890

Deuteranopia (green-blind)

#03458B

Tritanopia (blue-blind)

#3E4A5C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #4f378d;
/* rgb */ color: rgb(79, 55, 141);
/* oklch */ color: oklch(41.2% 0.136 292.2);

Tailwind

colors: {
  custom: {
    50: '#856faf',
    500: '#4f378d',
    950: '#000000',
  },
}

SCSS

$custom: #4f378d;
$custom-light: #856faf;
$custom-dark: #000000;

JSON

{
  "hex": "#4f378d",
  "rgb": {
    "r": 79,
    "g": 55,
    "b": 141
  },
  "hsl": {
    "h": 256.744,
    "s": 43.878,
    "l": 38.431
  },
  "oklch": {
    "l": 0.41181,
    "c": 0.13639,
    "h": 292.2
  },
  "luminance": 0.06318
}

Semantic roles & 50–950 ramp

primary

#4F378D

secondary

#9FB26E

accent

#D454B0

background

#F8F6FA

surface

#F0ECF4

border

#CBC7CE

text

#0B0710

muted

#7C7A7F

Preview Lab

Preview with #4F378D

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

Preview Lab → · Contrast checker → · Palette generator →