#391D64#391D64

#391D64 is a dark, moderate violet. Relative luminance 0.027; OKLCH L 31.2% C 0.119 H 297.1°. Best body text is #FFFFFF at 13.69:1 contrast (WCAG AA passes).

Color values

HEX	#391D64
RGB	rgb(57, 29, 100)
HSL	hsl(264, 55%, 25%)
HSV	hsv(264, 71%, 39%)
CMYK	cmyk(43%, 71%, 0%, 60.8%)
CIE-LAB	lab(18.66, 30.47, -37.01)
CIE-LCH	lch(18.66, 47.94, 309.47°)
OKLab	oklab(31.22% 0.054 -0.1056)
OKLCH	oklch(31.22% 0.119 297.1)
XYZ	xyz(4.4264, 2.6686, 12.3360)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 5.85

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391D64 #48641D

analogous

#1D2464 #391D64 #5C1D64

triadic

#391D64 #64391D #1D6439

tetradic

#391D64 #641D24 #48641D #1D645C

square

#391D64 #641D24 #48641D #1D645C

split-complementary

#391D64 #645C1D #24641D

monochromatic

#0E0718 #1E0F35 #391D64 #542B93 #6F39C3

Accessibility & contrast

On white

13.69

#391D64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#391D64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391D64

13.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391D64	#FFFFFF	#000000	##FFFFFF
##391D64	1.00	13.69	1.53	13.69
#FFFFFF	13.69	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E66

Deuteranopia (green-blind)

#002D63

Tritanopia (blue-blind)

#2E2E3E

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #391d64;
/* rgb */ color: rgb(57, 29, 100);
/* oklch */ color: oklch(31.2% 0.119 297.1);

Tailwind

colors: {
  custom: {
    50: '#745b91',
    500: '#391d64',
    950: '#000000',
  },
}

SCSS

$custom: #391d64;
$custom-light: #745b91;
$custom-dark: #000000;

JSON

{
  "hex": "#391d64",
  "rgb": {
    "r": 57,
    "g": 29,
    "b": 100
  },
  "hsl": {
    "h": 263.662,
    "s": 55.039,
    "l": 25.294
  },
  "oklch": {
    "l": 0.31215,
    "c": 0.11862,
    "h": 297.1
  },
  "luminance": 0.02669
}

Semantic roles & 50–950 ramp

primary

#391D64

secondary

#779944

accent

#DE49A4

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#08040D

muted

#7B797D

Preview Lab

Preview with #391D64

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

Preview Lab → · Contrast checker → · Palette generator →