#391F8B#391F8B

#391F8B is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.2% C 0.165 H 285.2°. Best body text is #FFFFFF at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#391F8B
RGB	rgb(57, 31, 139)
HSL	hsl(254, 64%, 33%)
HSV	hsv(254, 78%, 55%)
CMYK	cmyk(59%, 77.7%, 0%, 45.5%)
CIE-LAB	lab(22.70, 41.12, -55.38)
CIE-LCH	lch(22.70, 68.98, 306.60°)
OKLab	oklab(35.2% 0.0433 -0.1595)
OKLCH	oklch(35.2% 0.165 285.2)
XYZ	xyz(6.8361, 3.7135, 24.7776)
Luminance	0.0371 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391F8B #718B1F

analogous

#1F3B8B #391F8B #6F1F8B

triadic

#391F8B #8B391F #1F8B39

tetradic

#391F8B #8B1F3B #718B1F #1F8B6F

square

#391F8B #8B1F3B #718B1F #1F8B6F

split-complementary

#391F8B #8B6F1F #3B8B1F

monochromatic

#100927 #241459 #391F8B #4E2ABD #6E4DD7

Accessibility & contrast

On white

12.05

#391F8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#391F8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391F8B

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391F8B	#FFFFFF	#000000	##FFFFFF
##391F8B	1.00	12.05	1.74	12.05
#FFFFFF	12.05	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398E

Deuteranopia (green-blind)

#003389

Tritanopia (blue-blind)

#0D3E54

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #391f8b;
/* rgb */ color: rgb(57, 31, 139);
/* oklch */ color: oklch(35.2% 0.165 285.2);

Tailwind

colors: {
  custom: {
    50: '#7a5eae',
    500: '#391f8b',
    950: '#000000',
  },
}

SCSS

$custom: #391f8b;
$custom-light: #7a5eae;
$custom-dark: #000000;

JSON

{
  "hex": "#391f8b",
  "rgb": {
    "r": 57,
    "g": 31,
    "b": 139
  },
  "hsl": {
    "h": 254.444,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.35197,
    "c": 0.16528,
    "h": 285.2
  },
  "luminance": 0.03714
}

Semantic roles & 50–950 ramp

primary

#391F8B

secondary

#A0BA4C

accent

#E741BF

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #391F8B

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

Preview Lab → · Contrast checker → · Palette generator →