#3A1F9C#3A1F9C

#3A1F9C is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.1% C 0.185 H 282.4°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#3A1F9C
RGB	rgb(58, 31, 156)
HSL	hsl(253, 67%, 37%)
HSV	hsv(253, 80%, 61%)
CMYK	cmyk(62.8%, 80.1%, 0%, 38.8%)
CIE-LAB	lab(24.57, 46.35, -62.79)
CIE-LCH	lch(24.57, 78.05, 306.43°)
OKLab	oklab(37.06% 0.0398 -0.1811)
OKLCH	oklch(37.06% 0.185 282.4)
XYZ	xyz(8.2338, 4.2792, 31.8381)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A1F9C #819C1F

analogous

#1F439C #3A1F9C #791F9C

triadic

#3A1F9C #9C3A1F #1F9C3A

tetradic

#3A1F9C #9C1F43 #819C1F #1F9C79

square

#3A1F9C #9C1F43 #819C1F #1F9C79

split-complementary

#3A1F9C #9C791F #439C1F

monochromatic

#140B36 #271569 #3A1F9C #4D29CF #7558DE

Accessibility & contrast

On white

11.31

#3A1F9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#3A1F9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A1F9C

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A1F9C	#FFFFFF	#000000	##FFFFFF
##3A1F9C	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9F

Deuteranopia (green-blind)

#00369A

Tritanopia (blue-blind)

#00445E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #3a1f9c;
/* rgb */ color: rgb(58, 31, 156);
/* oklch */ color: oklch(37.1% 0.185 282.4);

Tailwind

colors: {
  custom: {
    50: '#7e5fba',
    500: '#3a1f9c',
    950: '#000000',
  },
}

SCSS

$custom: #3a1f9c;
$custom-light: #7e5fba;
$custom-dark: #000000;

JSON

{
  "hex": "#3a1f9c",
  "rgb": {
    "r": 58,
    "g": 31,
    "b": 156
  },
  "hsl": {
    "h": 252.96,
    "s": 66.845,
    "l": 36.667
  },
  "oklch": {
    "l": 0.37061,
    "c": 0.18545,
    "h": 282.4
  },
  "luminance": 0.0428
}

Semantic roles & 50–950 ramp

primary

#3A1F9C

secondary

#AAC155

accent

#EA3EC5

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #3A1F9C

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

Preview Lab → · Contrast checker → · Palette generator →