#391B9E#391B9E

#391B9E is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.8% C 0.191 H 282.0°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#391B9E
RGB	rgb(57, 27, 158)
HSL	hsl(254, 71%, 36%)
HSV	hsv(254, 83%, 62%)
CMYK	cmyk(63.9%, 82.9%, 0%, 38%)
CIE-LAB	lab(24.07, 48.66, -64.85)
CIE-LCH	lch(24.07, 81.08, 306.88°)
OKLab	oklab(36.75% 0.0398 -0.1871)
OKLCH	oklch(36.75% 0.191 282)
XYZ	xyz(8.2489, 4.1217, 32.7020)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391B9E #809E1B

analogous

#1B3F9E #391B9E #7B1B9E

triadic

#391B9E #9E391B #1B9E39

tetradic

#391B9E #9E1B3F #809E1B #1B9E7B

square

#391B9E #9E1B3F #809E1B #1B9E7B

split-complementary

#391B9E #9E7B1B #3F9E1B

monochromatic

#130935 #26126A #391B9E #4C24D2 #7352E1

Accessibility & contrast

On white

11.51

#391B9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#391B9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391B9E

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391B9E	#FFFFFF	#000000	##FFFFFF
##391B9E	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA2

Deuteranopia (green-blind)

#00359C

Tritanopia (blue-blind)

#00445E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #391b9e;
/* rgb */ color: rgb(57, 27, 158);
/* oklch */ color: oklch(36.8% 0.191 282.0);

Tailwind

colors: {
  custom: {
    50: '#7e5dbc',
    500: '#391b9e',
    950: '#000000',
  },
}

SCSS

$custom: #391b9e;
$custom-light: #7e5dbc;
$custom-dark: #000000;

JSON

{
  "hex": "#391b9e",
  "rgb": {
    "r": 57,
    "g": 27,
    "b": 158
  },
  "hsl": {
    "h": 253.74,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.36753,
    "c": 0.19128,
    "h": 282
  },
  "luminance": 0.04122
}

Semantic roles & 50–950 ramp

primary

#391B9E

secondary

#AAC451

accent

#EE3AC5

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #391B9E

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

Preview Lab → · Contrast checker → · Palette generator →