#391B90#391B90

#391B90 is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.2% C 0.175 H 284.7°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#391B90
RGB	rgb(57, 27, 144)
HSL	hsl(255, 68%, 34%)
HSV	hsv(255, 81%, 56%)
CMYK	cmyk(60.4%, 81.3%, 0%, 43.5%)
CIE-LAB	lab(22.54, 44.58, -58.76)
CIE-LCH	lch(22.54, 73.76, 307.19°)
OKLab	oklab(35.24% 0.0445 -0.1693)
OKLCH	oklch(35.24% 0.175 284.7)
XYZ	xyz(7.1118, 3.6669, 26.7132)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391B90 #72901B

analogous

#1B3790 #391B90 #731B90

triadic

#391B90 #90391B #1B9039

tetradic

#391B90 #901B37 #72901B #1B9073

square

#391B90 #901B37 #72901B #1B9073

split-complementary

#391B90 #90731B #37901B

monochromatic

#100829 #25115C #391B90 #4D25C4 #6F49DD

Accessibility & contrast

On white

12.11

#391B90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#391B90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391B90

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391B90	#FFFFFF	#000000	##FFFFFF
##391B90	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003993

Deuteranopia (green-blind)

#00328E

Tritanopia (blue-blind)

#023E56

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #391b90;
/* rgb */ color: rgb(57, 27, 144);
/* oklch */ color: oklch(35.2% 0.175 284.7);

Tailwind

colors: {
  custom: {
    50: '#7b5cb2',
    500: '#391b90',
    950: '#000000',
  },
}

SCSS

$custom: #391b90;
$custom-light: #7b5cb2;
$custom-dark: #000000;

JSON

{
  "hex": "#391b90",
  "rgb": {
    "r": 57,
    "g": 27,
    "b": 144
  },
  "hsl": {
    "h": 255.385,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.3524,
    "c": 0.17509,
    "h": 284.7
  },
  "luminance": 0.03667
}

Semantic roles & 50–950 ramp

primary

#391B90

secondary

#A0BF48

accent

#EB3DBE

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #391B90

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

Preview Lab → · Contrast checker → · Palette generator →