#391B65#391B65

#391B65 is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.0% C 0.123 H 297.2°. Best body text is #FFFFFF at 13.83:1 contrast (WCAG AA passes).

Color values

HEX	#391B65
RGB	rgb(57, 27, 101)
HSL	hsl(264, 58%, 25%)
HSV	hsv(264, 73%, 40%)
CMYK	cmyk(43.6%, 73.3%, 0%, 60.4%)
CIE-LAB	lab(18.34, 31.91, -38.20)
CIE-LCH	lch(18.34, 49.78, 309.87°)
OKLab	oklab(31.01% 0.0562 -0.1091)
OKLCH	oklch(31.01% 0.123 297.2)
XYZ	xyz(4.4276, 2.5932, 12.5767)
Luminance	0.0259 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 5.58

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391B65 #47651B

analogous

#1B2265 #391B65 #5E1B65

triadic

#391B65 #65391B #1B6539

tetradic

#391B65 #651B22 #47651B #1B655E

square

#391B65 #651B22 #47651B #1B655E

split-complementary

#391B65 #655E1B #22651B

monochromatic

#0E0618 #1E0E35 #391B65 #542895 #7035C6

Accessibility & contrast

On white

13.83

#391B65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#391B65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391B65

13.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391B65	#FFFFFF	#000000	##FFFFFF
##391B65	1.00	13.83	1.52	13.83
#FFFFFF	13.83	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D67

Deuteranopia (green-blind)

#002C63

Tritanopia (blue-blind)

#2E2D3D

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #391b65;
/* rgb */ color: rgb(57, 27, 101);
/* oklch */ color: oklch(31.0% 0.123 297.2);

Tailwind

colors: {
  custom: {
    50: '#745a92',
    500: '#391b65',
    950: '#000000',
  },
}

SCSS

$custom: #391b65;
$custom-light: #745a92;
$custom-dark: #000000;

JSON

{
  "hex": "#391b65",
  "rgb": {
    "r": 57,
    "g": 27,
    "b": 101
  },
  "hsl": {
    "h": 264.324,
    "s": 57.813,
    "l": 25.098
  },
  "oklch": {
    "l": 0.31006,
    "c": 0.12272,
    "h": 297.2
  },
  "luminance": 0.02593
}

Semantic roles & 50–950 ramp

primary

#391B65

secondary

#769A41

accent

#E147A2

background

#F7F5F9

surface

#EDE9F1

border

#C8C5CB

text

#08040D

muted

#7B797E

Preview Lab

Preview with #391B65

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

Preview Lab → · Contrast checker → · Palette generator →