#3C178D#3C178D

#3C178D is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.8% C 0.175 H 287.6°. Best body text is #FFFFFF at 12.36:1 contrast (WCAG AA passes).

Color values

HEX	#3C178D
RGB	rgb(60, 23, 141)
HSL	hsl(259, 72%, 32%)
HSV	hsv(259, 84%, 55%)
CMYK	cmyk(57.4%, 83.7%, 0%, 44.7%)
CIE-LAB	lab(21.93, 45.85, -57.88)
CIE-LCH	lch(21.93, 73.84, 308.38°)
OKLab	oklab(34.8% 0.0529 -0.1666)
OKLCH	oklch(34.8% 0.175 287.6)
XYZ	xyz(6.9762, 3.4962, 25.5014)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C178D #688D17

analogous

#172D8D #3C178D #77178D

triadic

#3C178D #8D3C17 #178D3C

tetradic

#3C178D #8D172D #688D17 #178D77

square

#3C178D #8D172D #688D17 #178D77

split-complementary

#3C178D #8D7717 #2D8D17

monochromatic

#0F0624 #260E58 #3C178D #5220C2 #713FE0

Accessibility & contrast

On white

12.36

#3C178D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#3C178D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C178D

12.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C178D	#FFFFFF	#000000	##FFFFFF
##3C178D	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)

#003790

Deuteranopia (green-blind)

#00318B

Tritanopia (blue-blind)

#173B53

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #3c178d;
/* rgb */ color: rgb(60, 23, 141);
/* oklch */ color: oklch(34.8% 0.175 287.6);

Tailwind

colors: {
  custom: {
    50: '#7c5aaf',
    500: '#3c178d',
    950: '#000000',
  },
}

SCSS

$custom: #3c178d;
$custom-light: #7c5aaf;
$custom-dark: #000000;

JSON

{
  "hex": "#3c178d",
  "rgb": {
    "r": 60,
    "g": 23,
    "b": 141
  },
  "hsl": {
    "h": 258.814,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.34801,
    "c": 0.17482,
    "h": 287.6
  },
  "luminance": 0.03497
}

Semantic roles & 50–950 ramp

primary

#3C178D

secondary

#98C040

accent

#EF39B6

background

#F8F5FA

surface

#EFE9F5

border

#CAC5CF

text

#0B0411

muted

#7C7980

Preview Lab

Preview with #3C178D

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

Preview Lab → · Contrast checker → · Palette generator →