#391AB4#391AB4

#391AB4 is a dark, highly saturated violet. Relative luminance 0.049; OKLCH L 39.1% C 0.217 H 278.7°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#391AB4
RGB	rgb(57, 26, 180)
HSL	hsl(252, 75%, 40%)
HSV	hsv(252, 86%, 71%)
CMYK	cmyk(68.3%, 85.6%, 0%, 29.4%)
CIE-LAB	lab(26.46, 55.32, -74.19)
CIE-LCH	lch(26.46, 92.54, 306.71°)
OKLab	oklab(39.13% 0.0327 -0.2142)
OKLCH	oklch(39.13% 0.217 278.7)
XYZ	xyz(10.2923, 4.9030, 43.5752)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391AB4 #95B41A

analogous

#1A48B4 #391AB4 #861AB4

triadic

#391AB4 #B4391A #1AB439

tetradic

#391AB4 #B41A48 #95B41A #1AB486

square

#391AB4 #B41A48 #95B41A #1AB486

split-complementary

#391AB4 #B4861A #48B41A

monochromatic

#170B49 #28127F #391AB4 #4F2BE0 #7C60E8

Accessibility & contrast

On white

10.60

#391AB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#391AB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391AB4

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391AB4	#FFFFFF	#000000	##FFFFFF
##391AB4	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B8

Deuteranopia (green-blind)

#0038B1

Tritanopia (blue-blind)

#004D6B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #391ab4;
/* rgb */ color: rgb(57, 26, 180);
/* oklch */ color: oklch(39.1% 0.217 278.7);

Tailwind

colors: {
  custom: {
    50: '#825ecc',
    500: '#391ab4',
    950: '#000000',
  },
}

SCSS

$custom: #391ab4;
$custom-light: #825ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#391ab4",
  "rgb": {
    "r": 57,
    "g": 26,
    "b": 180
  },
  "hsl": {
    "h": 252.078,
    "s": 74.757,
    "l": 40.392
  },
  "oklch": {
    "l": 0.39127,
    "c": 0.21668,
    "h": 278.7
  },
  "luminance": 0.04904
}

Semantic roles & 50–950 ramp

primary

#391AB4

secondary

#B6CC5D

accent

#F136CC

background

#F8F5FC

surface

#F0EAF9

border

#CBC6D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #391AB4

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

Preview Lab → · Contrast checker → · Palette generator →