#3C2178#3C2178

#3C2178 is a dark, vivid violet. Relative luminance 0.034; OKLCH L 33.9% C 0.139 H 291.4°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#3C2178
RGB	rgb(60, 33, 120)
HSL	hsl(259, 57%, 30%)
HSV	hsv(259, 73%, 47%)
CMYK	cmyk(50%, 72.5%, 0%, 52.9%)
CIE-LAB	lab(21.59, 34.76, -45.18)
CIE-LCH	lch(21.59, 57.01, 307.57°)
OKLab	oklab(33.94% 0.0508 -0.1295)
OKLCH	oklch(33.94% 0.139 291.4)
XYZ	xyz(5.7965, 3.4042, 18.1173)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C2178 #5D7821

analogous

#213178 #3C2178 #682178

triadic

#3C2178 #783C21 #21783C

tetradic

#3C2178 #782131 #5D7821 #217868

square

#3C2178 #782131 #5D7821 #217868

split-complementary

#3C2178 #786821 #317821

monochromatic

#0C0718 #241448 #3C2178 #542EA8 #7047CC

Accessibility & contrast

On white

12.49

#3C2178 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#3C2178 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C2178

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C2178	#FFFFFF	#000000	##FFFFFF
##3C2178	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357B

Deuteranopia (green-blind)

#003276

Tritanopia (blue-blind)

#29374A

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #3c2178;
/* rgb */ color: rgb(60, 33, 120);
/* oklch */ color: oklch(33.9% 0.139 291.4);

Tailwind

colors: {
  custom: {
    50: '#785fa0',
    500: '#3c2178',
    950: '#000000',
  },
}

SCSS

$custom: #3c2178;
$custom-light: #785fa0;
$custom-dark: #000000;

JSON

{
  "hex": "#3c2178",
  "rgb": {
    "r": 60,
    "g": 33,
    "b": 120
  },
  "hsl": {
    "h": 258.621,
    "s": 56.863,
    "l": 30
  },
  "oklch": {
    "l": 0.33937,
    "c": 0.13915,
    "h": 291.4
  },
  "luminance": 0.03404
}

Semantic roles & 50–950 ramp

primary

#3C2178

secondary

#8DAB4A

accent

#E048B1

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#09040F

muted

#7B797E

Preview Lab

Preview with #3C2178

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

Preview Lab → · Contrast checker → · Palette generator →