#42187A#42187A

#42187A is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.7% C 0.152 H 296.6°. Best body text is #FFFFFF at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#42187A
RGB	rgb(66, 24, 122)
HSL	hsl(266, 67%, 29%)
HSV	hsv(266, 80%, 48%)
CMYK	cmyk(45.9%, 80.3%, 0%, 52.2%)
CIE-LAB	lab(20.89, 41.01, -47.58)
CIE-LCH	lch(20.89, 62.82, 310.76°)
OKLab	oklab(33.67% 0.0683 -0.1363)
OKLCH	oklch(33.67% 0.152 296.6)
XYZ	xyz(6.0853, 3.2165, 18.7088)
Luminance	0.0322 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42187A #507A18

analogous

#181F7A #42187A #73187A

triadic

#42187A #7A4218 #187A42

tetradic

#42187A #7A181F #507A18 #187A73

square

#42187A #7A181F #507A18 #187A73

split-complementary

#42187A #7A7318 #1F7A18

monochromatic

#0E051A #260E47 #42187A #5E22AD #7B35D7

Accessibility & contrast

On white

12.78

#42187A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#42187A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42187A

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42187A	#FFFFFF	#000000	##FFFFFF
##42187A	1.00	12.78	1.64	12.78
#FFFFFF	12.78	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337D

Deuteranopia (green-blind)

#003178

Tritanopia (blue-blind)

#333349

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #42187a;
/* rgb */ color: rgb(66, 24, 122);
/* oklch */ color: oklch(33.7% 0.152 296.6);

Tailwind

colors: {
  custom: {
    50: '#7d5aa1',
    500: '#42187a',
    950: '#000000',
  },
}

SCSS

$custom: #42187a;
$custom-light: #7d5aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#42187a",
  "rgb": {
    "r": 66,
    "g": 24,
    "b": 122
  },
  "hsl": {
    "h": 265.714,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.33665,
    "c": 0.15247,
    "h": 296.6
  },
  "luminance": 0.03217
}

Semantic roles & 50–950 ramp

primary

#42187A

secondary

#7FAF3F

accent

#EA3EA0

background

#F7F5FA

surface

#EEE9F3

border

#C9C5CD

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #42187A

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

Preview Lab → · Contrast checker → · Palette generator →