#3F1BBB#3F1BBB

#3F1BBB is a dark, highly saturated violet. Relative luminance 0.054; OKLCH L 40.5% C 0.223 H 280.1°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#3F1BBB
RGB	rgb(63, 27, 187)
HSL	hsl(254, 75%, 42%)
HSV	hsv(254, 86%, 73%)
CMYK	cmyk(66.3%, 85.6%, 0%, 26.7%)
CIE-LAB	lab(27.92, 57.33, -75.91)
CIE-LCH	lch(27.92, 95.13, 307.06°)
OKLab	oklab(40.49% 0.039 -0.2191)
OKLCH	oklch(40.49% 0.223 280.1)
XYZ	xyz(11.4086, 5.4276, 47.4505)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1BBB #97BB1B

analogous

#1B47BB #3F1BBB #8F1BBB

triadic

#3F1BBB #BB3F1B #1BBB3F

tetradic

#3F1BBB #BB1B47 #97BB1B #1BBB8F

square

#3F1BBB #BB1B47 #97BB1B #1BBB8F

split-complementary

#3F1BBB #BB8F1B #47BB1B

monochromatic

#1B0C50 #2D1386 #3F1BBB #5932E1 #8567E9

Accessibility & contrast

On white

10.07

#3F1BBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#3F1BBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1BBB

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1BBB	#FFFFFF	#000000	##FFFFFF
##3F1BBB	1.00	10.07	2.09	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047BF

Deuteranopia (green-blind)

#003CB8

Tritanopia (blue-blind)

#00506F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3f1bbb;
/* rgb */ color: rgb(63, 27, 187);
/* oklch */ color: oklch(40.5% 0.223 280.1);

Tailwind

colors: {
  custom: {
    50: '#8660d1',
    500: '#3f1bbb',
    950: '#000000',
  },
}

SCSS

$custom: #3f1bbb;
$custom-light: #8660d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1bbb",
  "rgb": {
    "r": 63,
    "g": 27,
    "b": 187
  },
  "hsl": {
    "h": 253.5,
    "s": 74.766,
    "l": 41.961
  },
  "oklch": {
    "l": 0.40491,
    "c": 0.22253,
    "h": 280.1
  },
  "luminance": 0.05428
}

Semantic roles & 50–950 ramp

primary

#3F1BBB

secondary

#B6CE63

accent

#F136C7

background

#F9F5FD

surface

#F1EAFA

border

#CBC6D3

text

#0D0514

muted

#7E7983

Preview Lab

Preview with #3F1BBB

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

Preview Lab → · Contrast checker → · Palette generator →