#391F74#391F74

#391F74 is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.0% C 0.137 H 291.0°. Best body text is #FFFFFF at 12.95:1 contrast (WCAG AA passes).

Color values

HEX	#391F74
RGB	rgb(57, 31, 116)
HSL	hsl(258, 58%, 29%)
HSV	hsv(258, 73%, 45%)
CMYK	cmyk(50.9%, 73.3%, 0%, 54.5%)
CIE-LAB	lab(20.48, 34.12, -44.45)
CIE-LCH	lch(20.48, 56.04, 307.51°)
OKLab	oklab(32.95% 0.049 -0.1275)
OKLCH	oklch(32.95% 0.137 291)
XYZ	xyz(5.3288, 3.1106, 16.8392)
Luminance	0.0311 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391F74 #5A741F

analogous

#1F3074 #391F74 #641F74

triadic

#391F74 #74391F #1F7439

tetradic

#391F74 #741F30 #5A741F #1F7464

square

#391F74 #741F30 #5A741F #1F7464

split-complementary

#391F74 #74641F #30741F

monochromatic

#0C0618 #211244 #391F74 #512CA4 #6C41CC

Accessibility & contrast

On white

12.95

#391F74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#391F74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391F74

12.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391F74	#FFFFFF	#000000	##FFFFFF
##391F74	1.00	12.95	1.62	12.95
#FFFFFF	12.95	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003377

Deuteranopia (green-blind)

#002F72

Tritanopia (blue-blind)

#263547

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #391f74;
/* rgb */ color: rgb(57, 31, 116);
/* oklch */ color: oklch(33.0% 0.137 291.0);

Tailwind

colors: {
  custom: {
    50: '#765d9d',
    500: '#391f74',
    950: '#000000',
  },
}

SCSS

$custom: #391f74;
$custom-light: #765d9d;
$custom-dark: #000000;

JSON

{
  "hex": "#391f74",
  "rgb": {
    "r": 57,
    "g": 31,
    "b": 116
  },
  "hsl": {
    "h": 258.353,
    "s": 57.823,
    "l": 28.824
  },
  "oklch": {
    "l": 0.32951,
    "c": 0.13658,
    "h": 291
  },
  "luminance": 0.03111
}

Semantic roles & 50–950 ramp

primary

#391F74

secondary

#8AA847

accent

#E147B2

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040E

muted

#7B797E

Preview Lab

Preview with #391F74

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

Preview Lab → · Contrast checker → · Palette generator →