#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
RGBrgb(57, 31, 173)
HSLhsl(251, 70%, 40%)
HSVhsv(251, 82%, 68%)
CMYKcmyk(67.1%, 82.1%, 0%, 32.2%)
CIE-LABlab(26.35, 51.26, -70.17)
CIE-LCHlch(26.35, 86.90, 306.15°)
OKLaboklab(38.82% 0.033 -0.2026)
OKLCHoklch(38.82% 0.205 279.3)
XYZxyz(9.7177, 4.8661, 39.9542)
Luminance0.0487 (WCAG relative)
Temperaturecool
Familyviolet

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
##391FAD1.0010.641.9710.64
#FFFFFF10.641.0021.001.00
#0000001.9721.001.0021.00
##FFFFFF10.641.0021.001.00

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 →

#391FAD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva