#391B64#391B64

#391B64 is a dark, vivid violet. Relative luminance 0.026; OKLCH L 30.9% C 0.121 H 297.6°. Best body text is #FFFFFF at 13.86:1 contrast (WCAG AA passes).

Color values

HEX	#391B64
RGB	rgb(57, 27, 100)
HSL	hsl(265, 57%, 25%)
HSV	hsv(265, 73%, 39%)
CMYK	cmyk(43%, 73%, 0%, 60.8%)
CIE-LAB	lab(18.25, 31.62, -37.68)
CIE-LCH	lch(18.25, 49.19, 310.00°)
OKLab	oklab(30.92% 0.0564 -0.1076)
OKLCH	oklch(30.92% 0.121 297.6)
XYZ	xyz(4.3789, 2.5738, 12.3202)
Luminance	0.0257 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 5.57

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391B64 #46641B

analogous

#1B2164 #391B64 #5E1B64

triadic

#391B64 #64391B #1B6439

tetradic

#391B64 #641B21 #46641B #1B645E

square

#391B64 #641B21 #46641B #1B645E

split-complementary

#391B64 #645E1B #21641B

monochromatic

#0E0718 #1E0E34 #391B64 #542894 #7035C4

Accessibility & contrast

On white

13.86

#391B64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#391B64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391B64

13.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391B64	#FFFFFF	#000000	##FFFFFF
##391B64	1.00	13.86	1.51	13.86
#FFFFFF	13.86	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D66

Deuteranopia (green-blind)

#002C63

Tritanopia (blue-blind)

#2E2D3D

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #391b64;
/* rgb */ color: rgb(57, 27, 100);
/* oklch */ color: oklch(30.9% 0.121 297.6);

Tailwind

colors: {
  custom: {
    50: '#745a91',
    500: '#391b64',
    950: '#000000',
  },
}

SCSS

$custom: #391b64;
$custom-light: #745a91;
$custom-dark: #000000;

JSON

{
  "hex": "#391b64",
  "rgb": {
    "r": 57,
    "g": 27,
    "b": 100
  },
  "hsl": {
    "h": 264.658,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.30917,
    "c": 0.12146,
    "h": 297.6
  },
  "luminance": 0.02574
}

Semantic roles & 50–950 ramp

primary

#391B64

secondary

#759941

accent

#E147A2

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#08040D

muted

#7B797D

Preview Lab

Preview with #391B64

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

Preview Lab → · Contrast checker → · Palette generator →