#3A1BB4#3A1BB4

#3A1BB4 is a dark, highly saturated violet. Relative luminance 0.050; OKLCH L 39.3% C 0.216 H 279.0°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#3A1BB4
RGB	rgb(58, 27, 180)
HSL	hsl(252, 74%, 41%)
HSV	hsv(252, 85%, 71%)
CMYK	cmyk(67.8%, 85%, 0%, 29.4%)
CIE-LAB	lab(26.67, 55.01, -73.83)
CIE-LCH	lch(26.67, 92.07, 306.69°)
OKLab	oklab(39.3% 0.0339 -0.2132)
OKLCH	oklch(39.3% 0.216 279)
XYZ	xyz(10.3724, 4.9778, 43.5854)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A1BB4 #95B41B

analogous

#1B48B4 #3A1BB4 #861BB4

triadic

#3A1BB4 #B43A1B #1BB43A

tetradic

#3A1BB4 #B41B48 #95B41B #1BB486

square

#3A1BB4 #B41B48 #95B41B #1BB486

split-complementary

#3A1BB4 #B4861B #48B41B

monochromatic

#180B4A #29137F #3A1BB4 #512DDF #7D62E7

Accessibility & contrast

On white

10.52

#3A1BB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#3A1BB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A1BB4

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A1BB4	#FFFFFF	#000000	##FFFFFF
##3A1BB4	1.00	10.52	2.00	10.52
#FFFFFF	10.52	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045B8

Deuteranopia (green-blind)

#0039B1

Tritanopia (blue-blind)

#004D6B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3a1bb4;
/* rgb */ color: rgb(58, 27, 180);
/* oklch */ color: oklch(39.3% 0.216 279.0);

Tailwind

colors: {
  custom: {
    50: '#835fcc',
    500: '#3a1bb4',
    950: '#000000',
  },
}

SCSS

$custom: #3a1bb4;
$custom-light: #835fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a1bb4",
  "rgb": {
    "r": 58,
    "g": 27,
    "b": 180
  },
  "hsl": {
    "h": 252.157,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.39295,
    "c": 0.21583,
    "h": 279
  },
  "luminance": 0.04979
}

Semantic roles & 50–950 ramp

primary

#3A1BB4

secondary

#B6CC5F

accent

#F137CB

background

#F8F5FC

surface

#F0EAF9

border

#CBC6D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #3A1BB4

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

Preview Lab → · Contrast checker → · Palette generator →