#3B1BB1#3B1BB1

#3B1BB1 is a dark, highly saturated violet. Relative luminance 0.049; OKLCH L 39.0% C 0.212 H 279.9°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#3B1BB1
RGB	rgb(59, 27, 177)
HSL	hsl(253, 74%, 40%)
HSV	hsv(253, 85%, 69%)
CMYK	cmyk(66.7%, 84.7%, 0%, 30.6%)
CIE-LAB	lab(26.41, 54.25, -72.46)
CIE-LCH	lch(26.41, 90.52, 306.82°)
OKLab	oklab(39.04% 0.0364 -0.2092)
OKLCH	oklch(39.04% 0.212 279.9)
XYZ	xyz(10.1289, 4.8872, 41.9960)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B1BB1 #91B11B

analogous

#1B46B1 #3B1BB1 #861BB1

triadic

#3B1BB1 #B13B1B #1BB13B

tetradic

#3B1BB1 #B11B46 #91B11B #1BB186

square

#3B1BB1 #B11B46 #91B11B #1BB186

split-complementary

#3B1BB1 #B1861B #46B11B

monochromatic

#180B47 #29137C #3B1BB1 #512BDF #7D60E7

Accessibility & contrast

On white

10.62

#3B1BB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#3B1BB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B1BB1

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B1BB1	#FFFFFF	#000000	##FFFFFF
##3B1BB1	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B5

Deuteranopia (green-blind)

#0039AE

Tritanopia (blue-blind)

#004C69

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3b1bb1;
/* rgb */ color: rgb(59, 27, 177);
/* oklch */ color: oklch(39.0% 0.212 279.9);

Tailwind

colors: {
  custom: {
    50: '#825fca',
    500: '#3b1bb1',
    950: '#000000',
  },
}

SCSS

$custom: #3b1bb1;
$custom-light: #825fca;
$custom-dark: #000000;

JSON

{
  "hex": "#3b1bb1",
  "rgb": {
    "r": 59,
    "g": 27,
    "b": 177
  },
  "hsl": {
    "h": 252.8,
    "s": 73.529,
    "l": 40
  },
  "oklch": {
    "l": 0.39037,
    "c": 0.21232,
    "h": 279.9
  },
  "luminance": 0.04888
}

Semantic roles & 50–950 ramp

primary

#3B1BB1

secondary

#B4CB5D

accent

#F038C9

background

#F8F5FC

surface

#F0EAF9

border

#CBC6D2

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #3B1BB1

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

Preview Lab → · Contrast checker → · Palette generator →