#42177A#42177A

#42177A is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.6% C 0.154 H 296.8°. Best body text is #FFFFFF at 12.84:1 contrast (WCAG AA passes).

Color values

HEX	#42177A
RGB	rgb(66, 23, 122)
HSL	hsl(266, 68%, 28%)
HSV	hsv(266, 81%, 48%)
CMYK	cmyk(45.9%, 81.1%, 0%, 52.2%)
CIE-LAB	lab(20.74, 41.46, -47.84)
CIE-LCH	lch(20.74, 63.30, 310.91°)
OKLab	oklab(33.56% 0.0692 -0.137)
OKLCH	oklch(33.56% 0.154 296.8)
XYZ	xyz(6.0651, 3.1761, 18.7021)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42177A #4F7A17

analogous

#171D7A #42177A #73177A

triadic

#42177A #7A4217 #177A42

tetradic

#42177A #7A171D #4F7A17 #177A73

square

#42177A #7A171D #4F7A17 #177A73

split-complementary

#42177A #7A7317 #1D7A17

monochromatic

#0E051A #260D47 #42177A #5E21AD #7B33D9

Accessibility & contrast

On white

12.84

#42177A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#42177A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42177A

12.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42177A	#FFFFFF	#000000	##FFFFFF
##42177A	1.00	12.84	1.64	12.84
#FFFFFF	12.84	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327D

Deuteranopia (green-blind)

#003178

Tritanopia (blue-blind)

#333248

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #42177a;
/* rgb */ color: rgb(66, 23, 122);
/* oklch */ color: oklch(33.6% 0.154 296.8);

Tailwind

colors: {
  custom: {
    50: '#7d5aa1',
    500: '#42177a',
    950: '#000000',
  },
}

SCSS

$custom: #42177a;
$custom-light: #7d5aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#42177a",
  "rgb": {
    "r": 66,
    "g": 23,
    "b": 122
  },
  "hsl": {
    "h": 266.061,
    "s": 68.276,
    "l": 28.431
  },
  "oklch": {
    "l": 0.33557,
    "c": 0.15352,
    "h": 296.8
  },
  "luminance": 0.03176
}

Semantic roles & 50–950 ramp

primary

#42177A

secondary

#7EAF3E

accent

#EB3D9F

background

#F8F5FA

surface

#EFE9F3

border

#CAC5CD

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #42177A

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

Preview Lab → · Contrast checker → · Palette generator →