#391D9B#391D9B

#391D9B is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.6% C 0.186 H 282.3°. Best body text is #FFFFFF at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#391D9B
RGB	rgb(57, 29, 155)
HSL	hsl(253, 68%, 36%)
HSV	hsv(253, 81%, 61%)
CMYK	cmyk(63.2%, 81.3%, 0%, 39.2%)
CIE-LAB	lab(24.05, 46.88, -63.05)
CIE-LCH	lch(24.05, 78.57, 306.63°)
OKLab	oklab(36.64% 0.0398 -0.1819)
OKLCH	oklch(36.64% 0.186 282.3)
XYZ	xyz(8.0413, 4.1146, 31.3744)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391D9B #7F9B1D

analogous

#1D409B #391D9B #781D9B

triadic

#391D9B #9B391D #1D9B39

tetradic

#391D9B #9B1D40 #7F9B1D #1D9B78

square

#391D9B #9B1D40 #7F9B1D #1D9B78

split-complementary

#391D9B #9B781D #409B1D

monochromatic

#130A34 #261367 #391D9B #4C27CF #7253DF

Accessibility & contrast

On white

11.52

#391D9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#391D9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391D9B

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391D9B	#FFFFFF	#000000	##FFFFFF
##391D9B	1.00	11.52	1.82	11.52
#FFFFFF	11.52	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9E

Deuteranopia (green-blind)

#003599

Tritanopia (blue-blind)

#00435D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #391d9b;
/* rgb */ color: rgb(57, 29, 155);
/* oklch */ color: oklch(36.6% 0.186 282.3);

Tailwind

colors: {
  custom: {
    50: '#7d5eba',
    500: '#391d9b',
    950: '#000000',
  },
}

SCSS

$custom: #391d9b;
$custom-light: #7d5eba;
$custom-dark: #000000;

JSON

{
  "hex": "#391d9b",
  "rgb": {
    "r": 57,
    "g": 29,
    "b": 155
  },
  "hsl": {
    "h": 253.333,
    "s": 68.478,
    "l": 36.078
  },
  "oklch": {
    "l": 0.3664,
    "c": 0.18617,
    "h": 282.3
  },
  "luminance": 0.04115
}

Semantic roles & 50–950 ramp

primary

#391D9B

secondary

#A9C252

accent

#EB3CC4

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #391D9B

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

Preview Lab → · Contrast checker → · Palette generator →