#3F1BB4#3F1BB4

#3F1BB4 is a dark, highly saturated violet. Relative luminance 0.051; OKLCH L 39.7% C 0.215 H 281.1°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#3F1BB4
RGB	rgb(63, 27, 180)
HSL	hsl(254, 74%, 41%)
HSV	hsv(254, 85%, 71%)
CMYK	cmyk(65%, 85%, 0%, 29.4%)
CIE-LAB	lab(27.12, 55.41, -73.08)
CIE-LCH	lch(27.12, 91.71, 307.17°)
OKLab	oklab(39.71% 0.0415 -0.2109)
OKLCH	oklch(39.71% 0.215 281.1)
XYZ	xyz(10.6775, 5.1351, 43.5997)
Luminance	0.0514 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1BB4 #90B41B

analogous

#1B43B4 #3F1BB4 #8C1BB4

triadic

#3F1BB4 #B43F1B #1BB43F

tetradic

#3F1BB4 #B41B43 #90B41B #1BB48C

square

#3F1BB4 #B41B43 #90B41B #1BB48C

split-complementary

#3F1BB4 #B48C1B #43B41B

monochromatic

#1A0B4A #2C137F #3F1BB4 #572DDF #8162E7

Accessibility & contrast

On white

10.36

#3F1BB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#3F1BB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1BB4

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1BB4	#FFFFFF	#000000	##FFFFFF
##3F1BB4	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045B8

Deuteranopia (green-blind)

#003AB1

Tritanopia (blue-blind)

#004D6B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3f1bb4;
/* rgb */ color: rgb(63, 27, 180);
/* oklch */ color: oklch(39.7% 0.215 281.1);

Tailwind

colors: {
  custom: {
    50: '#855fcc',
    500: '#3f1bb4',
    950: '#000000',
  },
}

SCSS

$custom: #3f1bb4;
$custom-light: #855fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1bb4",
  "rgb": {
    "r": 63,
    "g": 27,
    "b": 180
  },
  "hsl": {
    "h": 254.118,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.39709,
    "c": 0.2149,
    "h": 281.1
  },
  "luminance": 0.05136
}

Semantic roles & 50–950 ramp

primary

#3F1BB4

secondary

#B2CC5F

accent

#F137C5

background

#F8F5FC

surface

#F0EAF9

border

#CBC6D2

text

#0D0514

muted

#7D7982

Preview Lab

Preview with #3F1BB4

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

Preview Lab → · Contrast checker → · Palette generator →