#391FAD#391FAD

#391FAD is a dark, highly saturated violet. Relative luminance 0.049; OKLCH L 38.8% C 0.205 H 279.3°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#391FAD
RGB	rgb(57, 31, 173)
HSL	hsl(251, 70%, 40%)
HSV	hsv(251, 82%, 68%)
CMYK	cmyk(67.1%, 82.1%, 0%, 32.2%)
CIE-LAB	lab(26.35, 51.26, -70.17)
CIE-LCH	lch(26.35, 86.90, 306.15°)
OKLab	oklab(38.82% 0.033 -0.2026)
OKLCH	oklch(38.82% 0.205 279.3)
XYZ	xyz(9.7177, 4.8661, 39.9542)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391FAD #93AD1F

analogous

#1F4CAD #391FAD #801FAD

triadic

#391FAD #AD391F #1FAD39

tetradic

#391FAD #AD1F4C #93AD1F #1FAD80

square

#391FAD #AD1F4C #93AD1F #1FAD80

split-complementary

#391FAD #AD801F #4CAD1F

monochromatic

#170C45 #281679 #391FAD #4F2FDA #7B63E3

Accessibility & contrast

On white

10.64

#391FAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#391FAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391FAD

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391FAD	#FFFFFF	#000000	##FFFFFF
##391FAD	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B1

Deuteranopia (green-blind)

#0039AB

Tritanopia (blue-blind)

#004B67

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #391fad;
/* rgb */ color: rgb(57, 31, 173);
/* oklch */ color: oklch(38.8% 0.205 279.3);

Tailwind

colors: {
  custom: {
    50: '#8060c7',
    500: '#391fad',
    950: '#000000',
  },
}

SCSS

$custom: #391fad;
$custom-light: #8060c7;
$custom-dark: #000000;

JSON

{
  "hex": "#391fad",
  "rgb": {
    "r": 57,
    "g": 31,
    "b": 173
  },
  "hsl": {
    "h": 250.986,
    "s": 69.608,
    "l": 40
  },
  "oklch": {
    "l": 0.38819,
    "c": 0.20529,
    "h": 279.3
  },
  "luminance": 0.04867
}

Semantic roles & 50–950 ramp

primary

#391FAD

secondary

#B5C860

accent

#EC3BCC

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #391FAD

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

Preview Lab → · Contrast checker → · Palette generator →