#3F1BBC#3F1BBC

#3F1BBC is a dark, highly saturated violet. Relative luminance 0.055; OKLCH L 40.6% C 0.224 H 280.0°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#3F1BBC
RGB	rgb(63, 27, 188)
HSL	hsl(253, 75%, 42%)
HSV	hsv(253, 86%, 74%)
CMYK	cmyk(66.5%, 85.6%, 0%, 26.3%)
CIE-LAB	lab(28.04, 57.61, -76.31)
CIE-LCH	lch(28.04, 95.61, 307.05°)
OKLab	oklab(40.6% 0.0386 -0.2202)
OKLCH	oklch(40.6% 0.224 280)
XYZ	xyz(11.5160, 5.4705, 48.0162)
Luminance	0.0547 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1BBC #98BC1B

analogous

#1B48BC #3F1BBC #901BBC

triadic

#3F1BBC #BC3F1B #1BBC3F

tetradic

#3F1BBC #BC1B48 #98BC1B #1BBC90

square

#3F1BBC #BC1B48 #98BC1B #1BBC90

split-complementary

#3F1BBC #BC901B #48BC1B

monochromatic

#1B0C51 #2D1386 #3F1BBC #5A33E2 #8568E9

Accessibility & contrast

On white

10.03

#3F1BBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#3F1BBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1BBC

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1BBC	#FFFFFF	#000000	##FFFFFF
##3F1BBC	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048C0

Deuteranopia (green-blind)

#003CB9

Tritanopia (blue-blind)

#005070

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3f1bbc;
/* rgb */ color: rgb(63, 27, 188);
/* oklch */ color: oklch(40.6% 0.224 280.0);

Tailwind

colors: {
  custom: {
    50: '#8660d2',
    500: '#3f1bbc',
    950: '#000000',
  },
}

SCSS

$custom: #3f1bbc;
$custom-light: #8660d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1bbc",
  "rgb": {
    "r": 63,
    "g": 27,
    "b": 188
  },
  "hsl": {
    "h": 253.416,
    "s": 74.884,
    "l": 42.157
  },
  "oklch": {
    "l": 0.40604,
    "c": 0.22362,
    "h": 280
  },
  "luminance": 0.05471
}

Semantic roles & 50–950 ramp

primary

#3F1BBC

secondary

#B7CF64

accent

#F236C8

background

#F9F5FD

surface

#F1EAFA

border

#CBC6D3

text

#0D0514

muted

#7E7983

Preview Lab

Preview with #3F1BBC

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

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