#42173B#42173B

#42173B is a dark, moderate purple. Relative luminance 0.021; OKLCH L 28.6% C 0.084 H 334.3°. Best body text is #FFFFFF at 14.82:1 contrast (WCAG AA passes).

Color values

HEX	#42173B
RGB	rgb(66, 23, 59)
HSL	hsl(310, 48%, 17%)
HSV	hsv(310, 65%, 26%)
CMYK	cmyk(0%, 65.2%, 10.6%, 74.1%)
CIE-LAB	lab(15.94, 26.15, -13.38)
CIE-LCH	lch(15.94, 29.37, 332.91°)
OKLab	oklab(28.62% 0.0756 -0.0364)
OKLCH	oklch(28.62% 0.084 334.3)
XYZ	xyz(3.3426, 2.0871, 4.3636)
Luminance	0.0209 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42173B #17421E

analogous

#331742 #42173B #421726

triadic

#42173B #3B4217 #173B42

tetradic

#42173B #423317 #17421E #172642

square

#42173B #423317 #17421E #172642

split-complementary

#42173B #264217 #174233

monochromatic

#170814 #170814 #42173B #6F2764 #9D378C

Accessibility & contrast

On white

14.82

#42173B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#42173B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42173B

14.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42173B	#FFFFFF	#000000	##FFFFFF
##42173B	1.00	14.82	1.42	14.82
#FFFFFF	14.82	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17243C

Deuteranopia (green-blind)

#242A3A

Tritanopia (blue-blind)

#451A26

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #42173b;
/* rgb */ color: rgb(66, 23, 59);
/* oklch */ color: oklch(28.6% 0.084 334.3);

Tailwind

colors: {
  custom: {
    50: '#785771',
    500: '#42173b',
    950: '#000000',
  },
}

SCSS

$custom: #42173b;
$custom-light: #785771;
$custom-dark: #000000;

JSON

{
  "hex": "#42173b",
  "rgb": {
    "r": 66,
    "g": 23,
    "b": 59
  },
  "hsl": {
    "h": 309.767,
    "s": 48.315,
    "l": 17.451
  },
  "oklch": {
    "l": 0.28618,
    "c": 0.08393,
    "h": 334.3
  },
  "luminance": 0.02087
}

Semantic roles & 50–950 ramp

primary

#42173B

secondary

#3C7946

accent

#D86650

background

#F7F5F6

surface

#EDE9EC

border

#C8C5C7

text

#090307

muted

#7B787A

Preview Lab

Preview with #42173B

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

Preview Lab → · Contrast checker → · Palette generator →