#42183F#42183F

#42183F is a dark, moderate purple. Relative luminance 0.022; OKLCH L 29.0% C 0.086 H 330.4°. Best body text is #FFFFFF at 14.64:1 contrast (WCAG AA passes).

Color values

HEX	#42183F
RGB	rgb(66, 24, 63)
HSL	hsl(304, 47%, 18%)
HSV	hsv(304, 64%, 26%)
CMYK	cmyk(0%, 63.6%, 4.5%, 74.1%)
CIE-LAB	lab(16.36, 26.40, -15.53)
CIE-LCH	lch(16.36, 30.63, 329.53°)
OKLab	oklab(29% 0.0748 -0.0425)
OKLCH	oklch(29% 0.086 330.4)
XYZ	xyz(3.4706, 2.1706, 4.9378)
Luminance	0.0217 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42183F #18421B

analogous

#301842 #42183F #42182A

triadic

#42183F #3F4218 #183F42

tetradic

#42183F #423018 #18421B #182A42

square

#42183F #423018 #18421B #182A42

split-complementary

#42183F #2A4218 #184230

monochromatic

#160815 #160815 #42183F #6F286A #9C3995

Accessibility & contrast

On white

14.64

#42183F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#42183F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42183F

14.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42183F	#FFFFFF	#000000	##FFFFFF
##42183F	1.00	14.64	1.43	14.64
#FFFFFF	14.64	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#152540

Deuteranopia (green-blind)

#232B3E

Tritanopia (blue-blind)

#451C28

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #42183f;
/* rgb */ color: rgb(66, 24, 63);
/* oklch */ color: oklch(29.0% 0.086 330.4);

Tailwind

colors: {
  custom: {
    50: '#785874',
    500: '#42183f',
    950: '#000000',
  },
}

SCSS

$custom: #42183f;
$custom-light: #785874;
$custom-dark: #000000;

JSON

{
  "hex": "#42183f",
  "rgb": {
    "r": 66,
    "g": 24,
    "b": 63
  },
  "hsl": {
    "h": 304.286,
    "s": 46.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.28998,
    "c": 0.08603,
    "h": 330.4
  },
  "luminance": 0.0217
}

Semantic roles & 50–950 ramp

primary

#42183F

secondary

#3D7941

accent

#D65B51

background

#F7F5F7

surface

#EDE9ED

border

#C8C5C8

text

#090308

muted

#7B787B

Preview Lab

Preview with #42183F

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

Preview Lab → · Contrast checker → · Palette generator →