#42383A#42383A

#42383A is a dark, near-neutral red. Relative luminance 0.043; OKLCH L 35.2% C 0.014 H 4.3°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#42383A
RGB	rgb(66, 56, 58)
HSL	hsl(348, 8%, 24%)
HSV	hsv(348, 15%, 26%)
CMYK	cmyk(0%, 15.2%, 12.1%, 74.1%)
CIE-LAB	lab(24.61, 4.80, 0.38)
CIE-LCH	lch(24.61, 4.82, 4.54°)
OKLab	oklab(35.2% 0.0144 0.0011)
OKLCH	oklch(35.2% 0.014 4.3)
XYZ	xyz(4.4246, 4.2922, 4.5976)
Luminance	0.0429 (WCAG relative)
Temperature	neutral
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42383A #384240

analogous

#42383F #42383A #423B38

triadic

#42383A #3A4238 #383A42

tetradic

#42383A #3F4238 #384240 #3B3842

square

#42383A #3F4238 #384240 #3B3842

split-complementary

#42383A #38423B #383F42

monochromatic

#110E0F #211C1D #42383A #635457 #847074

Accessibility & contrast

On white

11.30

#42383A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#42383A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42383A

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42383A	#FFFFFF	#000000	##FFFFFF
##42383A	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39393A

Deuteranopia (green-blind)

#3B3B3A

Tritanopia (blue-blind)

#443739

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #42383a;
/* rgb */ color: rgb(66, 56, 58);
/* oklch */ color: oklch(35.2% 0.014 4.3);

Tailwind

colors: {
  custom: {
    50: '#766e70',
    500: '#42383a',
    950: '#000000',
  },
}

SCSS

$custom: #42383a;
$custom-light: #766e70;
$custom-dark: #000000;

JSON

{
  "hex": "#42383a",
  "rgb": {
    "r": 66,
    "g": 56,
    "b": 58
  },
  "hsl": {
    "h": 348,
    "s": 8.197,
    "l": 23.922
  },
  "oklch": {
    "l": 0.35195,
    "c": 0.01446,
    "h": 4.3
  },
  "luminance": 0.04292
}

Semantic roles & 50–950 ramp

primary

#42383A

secondary

#65716F

accent

#B1A577

background

#F7F6F6

surface

#EDEBEC

border

#C8C6C7

text

#080707

muted

#7B7A7A

Preview Lab

Preview with #42383A

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

Preview Lab → · Contrast checker → · Palette generator →