#3B186C#3B186C

#3B186C is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.5% C 0.135 H 296.8°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#3B186C
RGB	rgb(59, 24, 108)
HSL	hsl(265, 64%, 26%)
HSV	hsv(265, 78%, 42%)
CMYK	cmyk(45.4%, 77.8%, 0%, 57.6%)
CIE-LAB	lab(18.65, 35.92, -42.26)
CIE-LCH	lch(18.65, 55.46, 310.36°)
OKLab	oklab(31.48% 0.061 -0.1209)
OKLCH	oklch(31.48% 0.135 296.8)
XYZ	xyz(4.8363, 2.6657, 14.4442)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B186C #496C18

analogous

#181F6C #3B186C #65186C

triadic

#3B186C #6C3B18 #186C3B

tetradic

#3B186C #6C181F #496C18 #186C65

square

#3B186C #6C181F #496C18 #186C65

split-complementary

#3B186C #6C6518 #1F6C18

monochromatic

#0E0619 #200D3A #3B186C #56239E #722ED0

Accessibility & contrast

On white

13.70

#3B186C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#3B186C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B186C

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B186C	#FFFFFF	#000000	##FFFFFF
##3B186C	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E6E

Deuteranopia (green-blind)

#002C6A

Tritanopia (blue-blind)

#2E2E41

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #3b186c;
/* rgb */ color: rgb(59, 24, 108);
/* oklch */ color: oklch(31.5% 0.135 296.8);

Tailwind

colors: {
  custom: {
    50: '#765997',
    500: '#3b186c',
    950: '#000000',
  },
}

SCSS

$custom: #3b186c;
$custom-light: #765997;
$custom-dark: #000000;

JSON

{
  "hex": "#3b186c",
  "rgb": {
    "r": 59,
    "g": 24,
    "b": 108
  },
  "hsl": {
    "h": 265,
    "s": 63.636,
    "l": 25.882
  },
  "oklch": {
    "l": 0.31484,
    "c": 0.13545,
    "h": 296.8
  },
  "luminance": 0.02666
}

Semantic roles & 50–950 ramp

primary

#3B186C

secondary

#78A23E

accent

#E741A2

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040D

muted

#7B797E

Preview Lab

Preview with #3B186C

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

Preview Lab → · Contrast checker → · Palette generator →