#3B178D#3B178D

#3B178D is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.7% C 0.175 H 287.0°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#3B178D
RGB	rgb(59, 23, 141)
HSL	hsl(258, 72%, 32%)
HSV	hsv(258, 84%, 55%)
CMYK	cmyk(58.2%, 83.7%, 0%, 44.7%)
CIE-LAB	lab(21.82, 45.73, -58.07)
CIE-LCH	lch(21.82, 73.92, 308.22°)
OKLab	oklab(34.7% 0.0512 -0.1672)
OKLCH	oklch(34.7% 0.175 287)
XYZ	xyz(6.9163, 3.4653, 25.4986)
Luminance	0.0347 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B178D #698D17

analogous

#172E8D #3B178D #76178D

triadic

#3B178D #8D3B17 #178D3B

tetradic

#3B178D #8D172E #698D17 #178D76

square

#3B178D #8D172E #698D17 #178D76

split-complementary

#3B178D #8D7617 #2E8D17

monochromatic

#0F0624 #250E58 #3B178D #5120C2 #703FE0

Accessibility & contrast

On white

12.40

#3B178D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#3B178D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B178D

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B178D	#FFFFFF	#000000	##FFFFFF
##3B178D	1.00	12.40	1.69	12.40
#FFFFFF	12.40	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003790

Deuteranopia (green-blind)

#00318B

Tritanopia (blue-blind)

#133B53

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #3b178d;
/* rgb */ color: rgb(59, 23, 141);
/* oklch */ color: oklch(34.7% 0.175 287.0);

Tailwind

colors: {
  custom: {
    50: '#7c5ab0',
    500: '#3b178d',
    950: '#000000',
  },
}

SCSS

$custom: #3b178d;
$custom-light: #7c5ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b178d",
  "rgb": {
    "r": 59,
    "g": 23,
    "b": 141
  },
  "hsl": {
    "h": 258.305,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.34698,
    "c": 0.17489,
    "h": 287
  },
  "luminance": 0.03466
}

Semantic roles & 50–950 ramp

primary

#3B178D

secondary

#99C040

accent

#EF39B7

background

#F8F5FA

surface

#EFE9F5

border

#CAC5CF

text

#0B0411

muted

#7C7980

Preview Lab

Preview with #3B178D

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

Preview Lab → · Contrast checker → · Palette generator →