#42177B#42177B

#42177B is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.7% C 0.155 H 296.4°. Best body text is #FFFFFF at 12.80:1 contrast (WCAG AA passes).

Color values

HEX	#42177B
RGB	rgb(66, 23, 123)
HSL	hsl(266, 68%, 29%)
HSV	hsv(266, 81%, 48%)
CMYK	cmyk(46.3%, 81.3%, 0%, 51.8%)
CIE-LAB	lab(20.83, 41.73, -48.32)
CIE-LCH	lch(20.83, 63.84, 310.81°)
OKLab	oklab(33.65% 0.0689 -0.1384)
OKLCH	oklch(33.65% 0.155 296.4)
XYZ	xyz(6.1274, 3.2010, 19.0301)
Luminance	0.0320 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42177B #507B17

analogous

#171E7B #42177B #74177B

triadic

#42177B #7B4217 #177B42

tetradic

#42177B #7B171E #507B17 #177B74

square

#42177B #7B171E #507B17 #177B74

split-complementary

#42177B #7B7417 #1E7B17

monochromatic

#0E051A #260D47 #42177B #5E21AF #7B33D9

Accessibility & contrast

On white

12.80

#42177B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#42177B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42177B

12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42177B	#FFFFFF	#000000	##FFFFFF
##42177B	1.00	12.80	1.64	12.80
#FFFFFF	12.80	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337E

Deuteranopia (green-blind)

#003179

Tritanopia (blue-blind)

#323349

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #42177b;
/* rgb */ color: rgb(66, 23, 123);
/* oklch */ color: oklch(33.7% 0.155 296.4);

Tailwind

colors: {
  custom: {
    50: '#7d5aa2',
    500: '#42177b',
    950: '#000000',
  },
}

SCSS

$custom: #42177b;
$custom-light: #7d5aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#42177b",
  "rgb": {
    "r": 66,
    "g": 23,
    "b": 123
  },
  "hsl": {
    "h": 265.8,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.33653,
    "c": 0.15463,
    "h": 296.4
  },
  "luminance": 0.03201
}

Semantic roles & 50–950 ramp

primary

#42177B

secondary

#7FB03E

accent

#EB3CA0

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #42177B

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

Preview Lab → · Contrast checker → · Palette generator →