#3F1BB0#3F1BB0

#3F1BB0 is a dark, highly saturated violet. Relative luminance 0.050; OKLCH L 39.3% C 0.211 H 281.8°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#3F1BB0
RGB	rgb(63, 27, 176)
HSL	hsl(254, 73%, 40%)
HSV	hsv(254, 85%, 69%)
CMYK	cmyk(64.2%, 84.7%, 0%, 31%)
CIE-LAB	lab(26.66, 54.31, -71.44)
CIE-LCH	lch(26.66, 89.73, 307.24°)
OKLab	oklab(39.27% 0.0429 -0.2061)
OKLCH	oklch(39.27% 0.211 281.8)
XYZ	xyz(10.2758, 4.9744, 41.4845)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1BB0 #8CB01B

analogous

#1B41B0 #3F1BB0 #8A1BB0

triadic

#3F1BB0 #B03F1B #1BB03F

tetradic

#3F1BB0 #B01B41 #8CB01B #1BB08A

square

#3F1BB0 #B01B41 #8CB01B #1BB08A

split-complementary

#3F1BB0 #B08A1B #41B01B

monochromatic

#190B46 #2C137B #3F1BB0 #552ADE #805FE6

Accessibility & contrast

On white

10.53

#3F1BB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#3F1BB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1BB0

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1BB0	#FFFFFF	#000000	##FFFFFF
##3F1BB0	1.00	10.53	2.00	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B4

Deuteranopia (green-blind)

#003AAD

Tritanopia (blue-blind)

#004B68

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3f1bb0;
/* rgb */ color: rgb(63, 27, 176);
/* oklch */ color: oklch(39.3% 0.211 281.8);

Tailwind

colors: {
  custom: {
    50: '#845fc9',
    500: '#3f1bb0',
    950: '#000000',
  },
}

SCSS

$custom: #3f1bb0;
$custom-light: #845fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1bb0",
  "rgb": {
    "r": 63,
    "g": 27,
    "b": 176
  },
  "hsl": {
    "h": 254.497,
    "s": 73.399,
    "l": 39.804
  },
  "oklch": {
    "l": 0.39266,
    "c": 0.21051,
    "h": 281.8
  },
  "luminance": 0.04975
}

Semantic roles & 50–950 ramp

primary

#3F1BB0

secondary

#B0CB5C

accent

#F038C4

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #3F1BB0

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

Preview Lab → · Contrast checker → · Palette generator →