#391B6D#391B6D

#391B6D is a dark, vivid violet. Relative luminance 0.028; OKLCH L 31.7% C 0.133 H 294.3°. Best body text is #FFFFFF at 13.53:1 contrast (WCAG AA passes).

Color values

HEX	#391B6D
RGB	rgb(57, 27, 109)
HSL	hsl(262, 60%, 27%)
HSV	hsv(262, 75%, 43%)
CMYK	cmyk(47.7%, 75.2%, 0%, 57.3%)
CIE-LAB	lab(19.05, 34.25, -42.27)
CIE-LCH	lch(19.05, 54.41, 309.01°)
OKLab	oklab(31.73% 0.0546 -0.1211)
OKLCH	oklch(31.73% 0.133 294.3)
XYZ	xyz(4.8388, 2.7577, 14.7424)
Luminance	0.0276 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue

#191970

ΔE00 5.15

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391B6D #4F6D1B

analogous

#1B266D #391B6D #621B6D

triadic

#391B6D #6D391B #1B6D39

tetradic

#391B6D #6D1B26 #4F6D1B #1B6D62

square

#391B6D #6D1B26 #4F6D1B #1B6D62

split-complementary

#391B6D #6D621B #266D1B

monochromatic

#0D0619 #1F0F3C #391B6D #53279E #6D35CD

Accessibility & contrast

On white

13.53

#391B6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#391B6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391B6D

13.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391B6D	#FFFFFF	#000000	##FFFFFF
##391B6D	1.00	13.53	1.55	13.53
#FFFFFF	13.53	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6F

Deuteranopia (green-blind)

#002D6B

Tritanopia (blue-blind)

#2A3042

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #391b6d;
/* rgb */ color: rgb(57, 27, 109);
/* oklch */ color: oklch(31.7% 0.133 294.3);

Tailwind

colors: {
  custom: {
    50: '#755a98',
    500: '#391b6d',
    950: '#000000',
  },
}

SCSS

$custom: #391b6d;
$custom-light: #755a98;
$custom-dark: #000000;

JSON

{
  "hex": "#391b6d",
  "rgb": {
    "r": 57,
    "g": 27,
    "b": 109
  },
  "hsl": {
    "h": 261.951,
    "s": 60.294,
    "l": 26.667
  },
  "oklch": {
    "l": 0.31733,
    "c": 0.1328,
    "h": 294.3
  },
  "luminance": 0.02758
}

Semantic roles & 50–950 ramp

primary

#391B6D

secondary

#7FA242

accent

#E344A9

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040E

muted

#7B797E

Preview Lab

Preview with #391B6D

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

Preview Lab → · Contrast checker → · Palette generator →