#3B1FA1#3B1FA1

#3B1FA1 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.7% C 0.191 H 282.0°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#3B1FA1
RGB	rgb(59, 31, 161)
HSL	hsl(253, 68%, 38%)
HSV	hsv(253, 81%, 63%)
CMYK	cmyk(63.4%, 80.7%, 0%, 36.9%)
CIE-LAB	lab(25.21, 47.94, -64.80)
CIE-LCH	lch(25.21, 80.60, 306.49°)
OKLab	oklab(37.68% 0.0398 -0.1869)
OKLCH	oklch(37.68% 0.191 282)
XYZ	xyz(8.7246, 4.4824, 34.1167)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B1FA1 #85A11F

analogous

#1F44A1 #3B1FA1 #7C1FA1

triadic

#3B1FA1 #A13B1F #1FA13B

tetradic

#3B1FA1 #A11F44 #85A11F #1FA17C

square

#3B1FA1 #A11F44 #85A11F #1FA17C

split-complementary

#3B1FA1 #A17C1F #44A11F

monochromatic

#150B3A #28156E #3B1FA1 #4E29D4 #785BDF

Accessibility & contrast

On white

11.07

#3B1FA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#3B1FA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B1FA1

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B1FA1	#FFFFFF	#000000	##FFFFFF
##3B1FA1	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A5

Deuteranopia (green-blind)

#00379F

Tritanopia (blue-blind)

#004660

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #3b1fa1;
/* rgb */ color: rgb(59, 31, 161);
/* oklch */ color: oklch(37.7% 0.191 282.0);

Tailwind

colors: {
  custom: {
    50: '#7f60be',
    500: '#3b1fa1',
    950: '#000000',
  },
}

SCSS

$custom: #3b1fa1;
$custom-light: #7f60be;
$custom-dark: #000000;

JSON

{
  "hex": "#3b1fa1",
  "rgb": {
    "r": 59,
    "g": 31,
    "b": 161
  },
  "hsl": {
    "h": 252.923,
    "s": 67.708,
    "l": 37.647
  },
  "oklch": {
    "l": 0.37683,
    "c": 0.19112,
    "h": 282
  },
  "luminance": 0.04483
}

Semantic roles & 50–950 ramp

primary

#3B1FA1

secondary

#ACC458

accent

#EB3DC5

background

#F8F5FB

surface

#EFEAF7

border

#CAC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #3B1FA1

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

Preview Lab → · Contrast checker → · Palette generator →