#391B68#391B68

#391B68 is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.3% C 0.127 H 296.1°. Best body text is #FFFFFF at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#391B68
RGB	rgb(57, 27, 104)
HSL	hsl(263, 59%, 26%)
HSV	hsv(263, 74%, 41%)
CMYK	cmyk(45.2%, 74%, 0%, 59.2%)
CIE-LAB	lab(18.60, 32.79, -39.74)
CIE-LCH	lch(18.60, 51.52, 309.52°)
OKLab	oklab(31.27% 0.0556 -0.1136)
OKLCH	oklch(31.27% 0.127 296.1)
XYZ	xyz(4.5773, 2.6531, 13.3650)
Luminance	0.0265 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391B68 #4A681B

analogous

#1B2368 #391B68 #5F1B68

triadic

#391B68 #68391B #1B6839

tetradic

#391B68 #681B23 #4A681B #1B685F

square

#391B68 #681B23 #4A681B #1B685F

split-complementary

#391B68 #685F1B #23681B

monochromatic

#0D0618 #1E0E37 #391B68 #542899 #6E34C9

Accessibility & contrast

On white

13.72

#391B68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#391B68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391B68

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391B68	#FFFFFF	#000000	##FFFFFF
##391B68	1.00	13.72	1.53	13.72
#FFFFFF	13.72	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E6A

Deuteranopia (green-blind)

#002C66

Tritanopia (blue-blind)

#2D2E3F

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #391b68;
/* rgb */ color: rgb(57, 27, 104);
/* oklch */ color: oklch(31.3% 0.127 296.1);

Tailwind

colors: {
  custom: {
    50: '#745a94',
    500: '#391b68',
    950: '#000000',
  },
}

SCSS

$custom: #391b68;
$custom-light: #745a94;
$custom-dark: #000000;

JSON

{
  "hex": "#391b68",
  "rgb": {
    "r": 57,
    "g": 27,
    "b": 104
  },
  "hsl": {
    "h": 263.377,
    "s": 58.779,
    "l": 25.686
  },
  "oklch": {
    "l": 0.31274,
    "c": 0.12652,
    "h": 296.1
  },
  "luminance": 0.02653
}

Semantic roles & 50–950 ramp

primary

#391B68

secondary

#7A9D42

accent

#E246A5

background

#F7F5F9

surface

#EDE9F1

border

#C8C5CB

text

#09040D

muted

#7B797E

Preview Lab

Preview with #391B68

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

Preview Lab → · Contrast checker → · Palette generator →