#3F1CBB#3F1CBB

#3F1CBB is a dark, highly saturated violet. Relative luminance 0.055; OKLCH L 40.6% C 0.222 H 280.0°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#3F1CBB
RGB	rgb(63, 28, 187)
HSL	hsl(253, 74%, 42%)
HSV	hsv(253, 85%, 73%)
CMYK	cmyk(66.3%, 85%, 0%, 26.7%)
CIE-LAB	lab(28.05, 56.96, -75.70)
CIE-LCH	lch(28.05, 94.74, 306.96°)
OKLab	oklab(40.58% 0.0386 -0.2185)
OKLCH	oklch(40.58% 0.222 280)
XYZ	xyz(11.4319, 5.4742, 47.4583)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1CBB #98BB1C

analogous

#1C48BB #3F1CBB #8F1CBB

triadic

#3F1CBB #BB3F1C #1CBB3F

tetradic

#3F1CBB #BB1C48 #98BB1C #1CBB8F

square

#3F1CBB #BB1C48 #98BB1C #1CBB8F

split-complementary

#3F1CBB #BB8F1C #48BB1C

monochromatic

#1B0C51 #2D1486 #3F1CBB #5A34E1 #8569E9

Accessibility & contrast

On white

10.02

#3F1CBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#3F1CBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1CBB

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1CBB	#FFFFFF	#000000	##FFFFFF
##3F1CBB	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048BF

Deuteranopia (green-blind)

#003CB8

Tritanopia (blue-blind)

#00506F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3f1cbb;
/* rgb */ color: rgb(63, 28, 187);
/* oklch */ color: oklch(40.6% 0.222 280.0);

Tailwind

colors: {
  custom: {
    50: '#8660d1',
    500: '#3f1cbb',
    950: '#000000',
  },
}

SCSS

$custom: #3f1cbb;
$custom-light: #8660d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1cbb",
  "rgb": {
    "r": 63,
    "g": 28,
    "b": 187
  },
  "hsl": {
    "h": 253.208,
    "s": 73.953,
    "l": 42.157
  },
  "oklch": {
    "l": 0.40577,
    "c": 0.22189,
    "h": 280
  },
  "luminance": 0.05475
}

Semantic roles & 50–950 ramp

primary

#3F1CBB

secondary

#B7CE65

accent

#F137C8

background

#F9F6FD

surface

#F1EBFA

border

#CBC6D3

text

#0D0514

muted

#7E7A83

Preview Lab

Preview with #3F1CBB

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

Preview Lab → · Contrast checker → · Palette generator →