#3F1F8B#3F1F8B

#3F1F8B is a dark, vivid violet. Relative luminance 0.039; OKLCH L 35.8% C 0.165 H 288.7°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#3F1F8B
RGB	rgb(63, 31, 139)
HSL	hsl(258, 64%, 33%)
HSV	hsv(258, 78%, 55%)
CMYK	cmyk(54.7%, 77.7%, 0%, 45.5%)
CIE-LAB	lab(23.34, 41.98, -54.30)
CIE-LCH	lch(23.34, 68.64, 307.71°)
OKLab	oklab(35.8% 0.0527 -0.1562)
OKLCH	oklch(35.8% 0.165 288.7)
XYZ	xyz(7.1987, 3.9005, 24.7946)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1F8B #6B8B1F

analogous

#1F358B #3F1F8B #751F8B

triadic

#3F1F8B #8B3F1F #1F8B3F

tetradic

#3F1F8B #8B1F35 #6B8B1F #1F8B75

square

#3F1F8B #8B1F35 #6B8B1F #1F8B75

split-complementary

#3F1F8B #8B751F #358B1F

monochromatic

#120927 #281459 #3F1F8B #562ABD #764DD7

Accessibility & contrast

On white

11.80

#3F1F8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#3F1F8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1F8B

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1F8B	#FFFFFF	#000000	##FFFFFF
##3F1F8B	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8E

Deuteranopia (green-blind)

#003589

Tritanopia (blue-blind)

#213D54

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #3f1f8b;
/* rgb */ color: rgb(63, 31, 139);
/* oklch */ color: oklch(35.8% 0.165 288.7);

Tailwind

colors: {
  custom: {
    50: '#7d5fae',
    500: '#3f1f8b',
    950: '#000000',
  },
}

SCSS

$custom: #3f1f8b;
$custom-light: #7d5fae;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1f8b",
  "rgb": {
    "r": 63,
    "g": 31,
    "b": 139
  },
  "hsl": {
    "h": 257.778,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.35797,
    "c": 0.16482,
    "h": 288.7
  },
  "luminance": 0.03901
}

Semantic roles & 50–950 ramp

primary

#3F1F8B

secondary

#99BA4C

accent

#E741B6

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B0510

muted

#7C797F

Preview Lab

Preview with #3F1F8B

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

Preview Lab → · Contrast checker → · Palette generator →