#3B178E#3B178E

#3B178E is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.8% C 0.176 H 286.8°. Best body text is #FFFFFF at 12.36:1 contrast (WCAG AA passes).

Color values

HEX	#3B178E
RGB	rgb(59, 23, 142)
HSL	hsl(258, 72%, 32%)
HSV	hsv(258, 84%, 56%)
CMYK	cmyk(58.5%, 83.8%, 0%, 44.3%)
CIE-LAB	lab(21.93, 46.01, -58.52)
CIE-LCH	lch(21.93, 74.44, 308.18°)
OKLab	oklab(34.81% 0.0509 -0.1685)
OKLCH	oklch(34.81% 0.176 286.8)
XYZ	xyz(6.9910, 3.4952, 25.8922)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B178E #6A8E17

analogous

#172F8E #3B178E #76178E

triadic

#3B178E #8E3B17 #178E3B

tetradic

#3B178E #8E172F #6A8E17 #178E76

square

#3B178E #8E172F #6A8E17 #178E76

split-complementary

#3B178E #8E7617 #2F8E17

monochromatic

#0F0625 #250E59 #3B178E #5120C3 #703FE0

Accessibility & contrast

On white

12.36

#3B178E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#3B178E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B178E

12.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B178E	#FFFFFF	#000000	##FFFFFF
##3B178E	1.00	12.36	1.70	12.36
#FFFFFF	12.36	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003791

Deuteranopia (green-blind)

#00318C

Tritanopia (blue-blind)

#123C54

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #3b178e;
/* rgb */ color: rgb(59, 23, 142);
/* oklch */ color: oklch(34.8% 0.176 286.8);

Tailwind

colors: {
  custom: {
    50: '#7c5ab0',
    500: '#3b178e',
    950: '#000000',
  },
}

SCSS

$custom: #3b178e;
$custom-light: #7c5ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b178e",
  "rgb": {
    "r": 59,
    "g": 23,
    "b": 142
  },
  "hsl": {
    "h": 258.151,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.34805,
    "c": 0.17603,
    "h": 286.8
  },
  "luminance": 0.03496
}

Semantic roles & 50–950 ramp

primary

#3B178E

secondary

#9AC040

accent

#EF39B8

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0411

muted

#7C7980

Preview Lab

Preview with #3B178E

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

Preview Lab → · Contrast checker → · Palette generator →