#391B87#391B87

#391B87 is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.3% C 0.164 H 286.7°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#391B87
RGB	rgb(57, 27, 135)
HSL	hsl(257, 67%, 32%)
HSV	hsv(257, 80%, 53%)
CMYK	cmyk(57.8%, 80%, 0%, 47.1%)
CIE-LAB	lab(21.59, 41.93, -54.70)
CIE-LCH	lch(21.59, 68.93, 307.47°)
OKLab	oklab(34.3% 0.0474 -0.1575)
OKLCH	oklch(34.3% 0.164 286.7)
XYZ	xyz(6.4511, 3.4026, 23.2338)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391B87 #69871B

analogous

#1B3387 #391B87 #6F1B87

triadic

#391B87 #87391B #1B8739

tetradic

#391B87 #871B33 #69871B #1B876F

square

#391B87 #871B33 #69871B #1B876F

split-complementary

#391B87 #876F1B #33871B

monochromatic

#0E0721 #231154 #391B87 #4F25BA #6D43D9

Accessibility & contrast

On white

12.50

#391B87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#391B87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391B87

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391B87	#FFFFFF	#000000	##FFFFFF
##391B87	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368A

Deuteranopia (green-blind)

#003185

Tritanopia (blue-blind)

#143A51

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #391b87;
/* rgb */ color: rgb(57, 27, 135);
/* oklch */ color: oklch(34.3% 0.164 286.7);

Tailwind

colors: {
  custom: {
    50: '#795cab',
    500: '#391b87',
    950: '#000000',
  },
}

SCSS

$custom: #391b87;
$custom-light: #795cab;
$custom-dark: #000000;

JSON

{
  "hex": "#391b87",
  "rgb": {
    "r": 57,
    "g": 27,
    "b": 135
  },
  "hsl": {
    "h": 256.667,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.34296,
    "c": 0.16447,
    "h": 286.7
  },
  "luminance": 0.03403
}

Semantic roles & 50–950 ramp

primary

#391B87

secondary

#99BA44

accent

#EA3EBA

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #391B87

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

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