#42318C#42318C

#42318C is a dark, vivid violet. Relative luminance 0.052; OKLCH L 38.8% C 0.144 H 286.2°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#42318C
RGB	rgb(66, 49, 140)
HSL	hsl(251, 48%, 37%)
HSV	hsv(251, 65%, 55%)
CMYK	cmyk(52.9%, 65%, 0%, 45.1%)
CIE-LAB	lab(27.43, 32.63, -48.23)
CIE-LCH	lch(27.43, 58.23, 304.08°)
OKLab	oklab(38.82% 0.0401 -0.1383)
OKLCH	oklch(38.82% 0.144 286.2)
XYZ	xyz(8.0773, 5.2479, 25.3932)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42318C #7B8C31

analogous

#314E8C #42318C #70318C

triadic

#42318C #8C4231 #318C42

tetradic

#42318C #8C314E #7B8C31 #318C70

square

#42318C #8C314E #7B8C31 #318C70

split-complementary

#42318C #8C7031 #4E8C31

monochromatic

#171131 #2D215F #42318C #5741B9 #7E6CCC

Accessibility & contrast

On white

10.25

#42318C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#42318C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42318C

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42318C	#FFFFFF	#000000	##FFFFFF
##42318C	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438F

Deuteranopia (green-blind)

#003E8A

Tritanopia (blue-blind)

#26475A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #42318c;
/* rgb */ color: rgb(66, 49, 140);
/* oklch */ color: oklch(38.8% 0.144 286.2);

Tailwind

colors: {
  custom: {
    50: '#7d6aae',
    500: '#42318c',
    950: '#000000',
  },
}

SCSS

$custom: #42318c;
$custom-light: #7d6aae;
$custom-dark: #000000;

JSON

{
  "hex": "#42318c",
  "rgb": {
    "r": 66,
    "g": 49,
    "b": 140
  },
  "hsl": {
    "h": 251.209,
    "s": 48.148,
    "l": 37.059
  },
  "oklch": {
    "l": 0.38822,
    "c": 0.14398,
    "h": 286.2
  },
  "luminance": 0.05248
}

Semantic roles & 50–950 ramp

primary

#42318C

secondary

#A5B366

accent

#D850BE

background

#F8F6FA

surface

#EFEBF4

border

#CAC6CE

text

#0A0610

muted

#7C7A7F

Preview Lab

Preview with #42318C

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

Preview Lab → · Contrast checker → · Palette generator →