#3C188F#3C188F

#3C188F is a dark, vivid violet. Relative luminance 0.036; OKLCH L 35.1% C 0.176 H 287.0°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#3C188F
RGB	rgb(60, 24, 143)
HSL	hsl(258, 71%, 33%)
HSV	hsv(258, 83%, 56%)
CMYK	cmyk(58%, 83.2%, 0%, 43.9%)
CIE-LAB	lab(22.29, 45.99, -58.54)
CIE-LCH	lch(22.29, 74.44, 308.16°)
OKLab	oklab(35.11% 0.0515 -0.1685)
OKLCH	oklch(35.11% 0.176 287)
XYZ	xyz(7.1466, 3.5967, 26.2989)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C188F #6B8F18

analogous

#18308F #3C188F #77188F

triadic

#3C188F #8F3C18 #188F3C

tetradic

#3C188F #8F1830 #6B8F18 #188F77

square

#3C188F #8F1830 #6B8F18 #188F77

split-complementary

#3C188F #8F7718 #308F18

monochromatic

#100626 #260F5B #3C188F #5221C3 #7242DF

Accessibility & contrast

On white

12.21

#3C188F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#3C188F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C188F

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C188F	#FFFFFF	#000000	##FFFFFF
##3C188F	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003892

Deuteranopia (green-blind)

#00328D

Tritanopia (blue-blind)

#143C55

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #3c188f;
/* rgb */ color: rgb(60, 24, 143);
/* oklch */ color: oklch(35.1% 0.176 287.0);

Tailwind

colors: {
  custom: {
    50: '#7d5bb1',
    500: '#3c188f',
    950: '#000000',
  },
}

SCSS

$custom: #3c188f;
$custom-light: #7d5bb1;
$custom-dark: #000000;

JSON

{
  "hex": "#3c188f",
  "rgb": {
    "r": 60,
    "g": 24,
    "b": 143
  },
  "hsl": {
    "h": 258.151,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.35113,
    "c": 0.17625,
    "h": 287
  },
  "luminance": 0.03597
}

Semantic roles & 50–950 ramp

primary

#3C188F

secondary

#9AC043

accent

#EE3AB7

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0411

muted

#7C7980

Preview Lab

Preview with #3C188F

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

Preview Lab → · Contrast checker → · Palette generator →