#391B7D#391B7D

#391B7D is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.3% C 0.152 H 289.3°. Best body text is #FFFFFF at 12.91:1 contrast (WCAG AA passes).

Color values

HEX	#391B7D
RGB	rgb(57, 27, 125)
HSL	hsl(258, 64%, 30%)
HSV	hsv(258, 78%, 49%)
CMYK	cmyk(54.4%, 78.4%, 0%, 51%)
CIE-LAB	lab(20.57, 38.98, -50.06)
CIE-LCH	lch(20.57, 63.44, 307.91°)
OKLab	oklab(33.28% 0.0504 -0.1439)
OKLCH	oklch(33.28% 0.152 289.3)
XYZ	xyz(5.7799, 3.1341, 19.6985)
Luminance	0.0313 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391B7D #5F7D1B

analogous

#1B2E7D #391B7D #6A1B7D

triadic

#391B7D #7D391B #1B7D39

tetradic

#391B7D #7D1B2E #5F7D1B #1B7D6A

square

#391B7D #7D1B2E #5F7D1B #1B7D6A

split-complementary

#391B7D #7D6A1B #2E7D1B

monochromatic

#0B0519 #22104B #391B7D #5026AF #6C3DD5

Accessibility & contrast

On white

12.91

#391B7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#391B7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391B7D

12.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391B7D	#FFFFFF	#000000	##FFFFFF
##391B7D	1.00	12.91	1.63	12.91
#FFFFFF	12.91	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003380

Deuteranopia (green-blind)

#002F7B

Tritanopia (blue-blind)

#1F364B

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #391b7d;
/* rgb */ color: rgb(57, 27, 125);
/* oklch */ color: oklch(33.3% 0.152 289.3);

Tailwind

colors: {
  custom: {
    50: '#785ba4',
    500: '#391b7d',
    950: '#000000',
  },
}

SCSS

$custom: #391b7d;
$custom-light: #785ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#391b7d",
  "rgb": {
    "r": 57,
    "g": 27,
    "b": 125
  },
  "hsl": {
    "h": 258.367,
    "s": 64.474,
    "l": 29.804
  },
  "oklch": {
    "l": 0.33279,
    "c": 0.15247,
    "h": 289.3
  },
  "luminance": 0.03134
}

Semantic roles & 50–950 ramp

primary

#391B7D

secondary

#8FB143

accent

#E740B4

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #391B7D

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

Preview Lab → · Contrast checker → · Palette generator →