#391D8E#391D8E

#391D8E is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.3% C 0.171 H 284.9°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#391D8E
RGB	rgb(57, 29, 142)
HSL	hsl(255, 66%, 34%)
HSV	hsv(255, 80%, 56%)
CMYK	cmyk(59.9%, 79.6%, 0%, 44.3%)
CIE-LAB	lab(22.66, 43.03, -57.32)
CIE-LCH	lch(22.66, 71.67, 306.90°)
OKLab	oklab(35.26% 0.0438 -0.1651)
OKLCH	oklch(35.26% 0.171 284.9)
XYZ	xyz(7.0077, 3.7011, 25.9311)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391D8E #728E1D

analogous

#1D398E #391D8E #711D8E

triadic

#391D8E #8E391D #1D8E39

tetradic

#391D8E #8E1D39 #728E1D #1D8E71

square

#391D8E #8E1D39 #728E1D #1D8E71

split-complementary

#391D8E #8E711D #398E1D

monochromatic

#100828 #25135B #391D8E #4D27C1 #6F4BDA

Accessibility & contrast

On white

12.07

#391D8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#391D8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391D8E

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391D8E	#FFFFFF	#000000	##FFFFFF
##391D8E	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003991

Deuteranopia (green-blind)

#00338C

Tritanopia (blue-blind)

#073E55

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #391d8e;
/* rgb */ color: rgb(57, 29, 142);
/* oklch */ color: oklch(35.3% 0.171 284.9);

Tailwind

colors: {
  custom: {
    50: '#7a5db0',
    500: '#391d8e',
    950: '#000000',
  },
}

SCSS

$custom: #391d8e;
$custom-light: #7a5db0;
$custom-dark: #000000;

JSON

{
  "hex": "#391d8e",
  "rgb": {
    "r": 57,
    "g": 29,
    "b": 142
  },
  "hsl": {
    "h": 254.867,
    "s": 66.082,
    "l": 33.529
  },
  "oklch": {
    "l": 0.3526,
    "c": 0.17087,
    "h": 284.9
  },
  "luminance": 0.03702
}

Semantic roles & 50–950 ramp

primary

#391D8E

secondary

#A0BD4A

accent

#E93FBF

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #391D8E

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

Preview Lab → · Contrast checker → · Palette generator →