#391B67#391B67

#391B67 is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.2% C 0.125 H 296.5°. Best body text is #FFFFFF at 13.76:1 contrast (WCAG AA passes).

Color values

HEX	#391B67
RGB	rgb(57, 27, 103)
HSL	hsl(264, 58%, 25%)
HSV	hsv(264, 74%, 40%)
CMYK	cmyk(44.7%, 73.8%, 0%, 59.6%)
CIE-LAB	lab(18.51, 32.49, -39.23)
CIE-LCH	lch(18.51, 50.94, 309.63°)
OKLab	oklab(31.18% 0.0558 -0.1121)
OKLCH	oklch(31.18% 0.125 296.5)
XYZ	xyz(4.5268, 2.6329, 13.0990)
Luminance	0.0263 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391B67 #49671B

analogous

#1B2367 #391B67 #5F1B67

triadic

#391B67 #67391B #1B6739

tetradic

#391B67 #671B23 #49671B #1B675F

square

#391B67 #671B23 #49671B #1B675F

split-complementary

#391B67 #675F1B #23671B

monochromatic

#0D0618 #1E0E37 #391B67 #542897 #6F34C8

Accessibility & contrast

On white

13.76

#391B67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#391B67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391B67

13.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391B67	#FFFFFF	#000000	##FFFFFF
##391B67	1.00	13.76	1.53	13.76
#FFFFFF	13.76	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D69

Deuteranopia (green-blind)

#002C65

Tritanopia (blue-blind)

#2D2E3F

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #391b67;
/* rgb */ color: rgb(57, 27, 103);
/* oklch */ color: oklch(31.2% 0.125 296.5);

Tailwind

colors: {
  custom: {
    50: '#745a93',
    500: '#391b67',
    950: '#000000',
  },
}

SCSS

$custom: #391b67;
$custom-light: #745a93;
$custom-dark: #000000;

JSON

{
  "hex": "#391b67",
  "rgb": {
    "r": 57,
    "g": 27,
    "b": 103
  },
  "hsl": {
    "h": 263.684,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.31184,
    "c": 0.12526,
    "h": 296.5
  },
  "luminance": 0.02633
}

Semantic roles & 50–950 ramp

primary

#391B67

secondary

#789C42

accent

#E246A4

background

#F7F5F9

surface

#EDE9F1

border

#C8C5CB

text

#09040D

muted

#7B797E

Preview Lab

Preview with #391B67

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

Preview Lab → · Contrast checker → · Palette generator →