#3F1C9B#3F1C9B

#3F1C9B is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.1% C 0.186 H 285.5°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#3F1C9B
RGB	rgb(63, 28, 155)
HSL	hsl(257, 69%, 36%)
HSV	hsv(257, 82%, 61%)
CMYK	cmyk(59.4%, 81.9%, 0%, 39.2%)
CIE-LAB	lab(24.49, 48.00, -62.30)
CIE-LCH	lch(24.49, 78.65, 307.62°)
OKLab	oklab(37.09% 0.0498 -0.1795)
OKLCH	oklch(37.09% 0.186 285.5)
XYZ	xyz(8.3798, 4.2533, 31.3834)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1C9B #789B1C

analogous

#1C399B #3F1C9B #7E1C9B

triadic

#3F1C9B #9B3F1C #1C9B3F

tetradic

#3F1C9B #9B1C39 #789B1C #1C9B7E

square

#3F1C9B #9B1C39 #789B1C #1C9B7E

split-complementary

#3F1C9B #9B7E1C #399B1C

monochromatic

#150933 #2A1367 #3F1C9B #5425CF #7952E0

Accessibility & contrast

On white

11.35

#3F1C9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#3F1C9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1C9B

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1C9B	#FFFFFF	#000000	##FFFFFF
##3F1C9B	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9E

Deuteranopia (green-blind)

#003699

Tritanopia (blue-blind)

#0A425C

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #3f1c9b;
/* rgb */ color: rgb(63, 28, 155);
/* oklch */ color: oklch(37.1% 0.186 285.5);

Tailwind

colors: {
  custom: {
    50: '#805eba',
    500: '#3f1c9b',
    950: '#000000',
  },
}

SCSS

$custom: #3f1c9b;
$custom-light: #805eba;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1c9b",
  "rgb": {
    "r": 63,
    "g": 28,
    "b": 155
  },
  "hsl": {
    "h": 256.535,
    "s": 69.399,
    "l": 35.882
  },
  "oklch": {
    "l": 0.37093,
    "c": 0.18626,
    "h": 285.5
  },
  "luminance": 0.04254
}

Semantic roles & 50–950 ramp

primary

#3F1C9B

secondary

#A3C350

accent

#EC3CBC

background

#F8F5FB

surface

#F0E9F6

border

#CBC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #3F1C9B

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

Preview Lab → · Contrast checker → · Palette generator →