#3F1F9C#3F1F9C

#3F1F9C is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.5% C 0.185 H 284.9°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#3F1F9C
RGB	rgb(63, 31, 156)
HSL	hsl(255, 67%, 37%)
HSV	hsv(255, 80%, 61%)
CMYK	cmyk(59.6%, 80.1%, 0%, 38.8%)
CIE-LAB	lab(25.07, 46.93, -61.97)
CIE-LCH	lch(25.07, 77.73, 307.14°)
OKLab	oklab(37.52% 0.0476 -0.1786)
OKLCH	oklch(37.52% 0.185 284.9)
XYZ	xyz(8.5388, 4.4365, 31.8524)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1F9C #7C9C1F

analogous

#1F3E9C #3F1F9C #7E1F9C

triadic

#3F1F9C #9C3F1F #1F9C3F

tetradic

#3F1F9C #9C1F3E #7C9C1F #1F9C7E

square

#3F1F9C #9C1F3E #7C9C1F #1F9C7E

split-complementary

#3F1F9C #9C7E1F #3E9C1F

monochromatic

#160B36 #2A1569 #3F1F9C #5429CF #7A58DE

Accessibility & contrast

On white

11.13

#3F1F9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#3F1F9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1F9C

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1F9C	#FFFFFF	#000000	##FFFFFF
##3F1F9C	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F9F

Deuteranopia (green-blind)

#00389A

Tritanopia (blue-blind)

#06445E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #3f1f9c;
/* rgb */ color: rgb(63, 31, 156);
/* oklch */ color: oklch(37.5% 0.185 284.9);

Tailwind

colors: {
  custom: {
    50: '#8060ba',
    500: '#3f1f9c',
    950: '#000000',
  },
}

SCSS

$custom: #3f1f9c;
$custom-light: #8060ba;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1f9c",
  "rgb": {
    "r": 63,
    "g": 31,
    "b": 156
  },
  "hsl": {
    "h": 255.36,
    "s": 66.845,
    "l": 36.667
  },
  "oklch": {
    "l": 0.37521,
    "c": 0.18479,
    "h": 284.9
  },
  "luminance": 0.04437
}

Semantic roles & 50–950 ramp

primary

#3F1F9C

secondary

#A6C155

accent

#EA3EBE

background

#F8F5FB

surface

#F0EAF6

border

#CBC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #3F1F9C

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

Preview Lab → · Contrast checker → · Palette generator →