#42393F#42393F

#42393F is a dark, near-neutral grey. Relative luminance 0.044; OKLCH L 35.6% C 0.016 H 338.1°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#42393F
RGB	rgb(66, 57, 63)
HSL	hsl(320, 7%, 24%)
HSV	hsv(320, 14%, 26%)
CMYK	cmyk(0%, 13.6%, 4.5%, 74.1%)
CIE-LAB	lab(25.09, 5.21, -2.26)
CIE-LCH	lch(25.09, 5.68, 336.52°)
OKLab	oklab(35.62% 0.0149 -0.006)
OKLCH	oklch(35.62% 0.016 338.1)
XYZ	xyz(4.6070, 4.4435, 5.3166)
Luminance	0.0444 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42393F #39423C

analogous

#413942 #42393F #42393B

triadic

#42393F #3F4239 #393F42

tetradic

#42393F #424139 #39423C #393B42

square

#42393F #424139 #39423C #393B42

split-complementary

#42393F #3B4239 #394241

monochromatic

#100E10 #211D20 #42393F #63555E #84727E

Accessibility & contrast

On white

11.12

#42393F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#42393F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42393F

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42393F	#FFFFFF	#000000	##FFFFFF
##42393F	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393B3F

Deuteranopia (green-blind)

#3B3C3F

Tritanopia (blue-blind)

#43393B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #42393f;
/* rgb */ color: rgb(66, 57, 63);
/* oklch */ color: oklch(35.6% 0.016 338.1);

Tailwind

colors: {
  custom: {
    50: '#766f74',
    500: '#42393f',
    950: '#000000',
  },
}

SCSS

$custom: #42393f;
$custom-light: #766f74;
$custom-dark: #000000;

JSON

{
  "hex": "#42393f",
  "rgb": {
    "r": 66,
    "g": 57,
    "b": 63
  },
  "hsl": {
    "h": 320,
    "s": 7.317,
    "l": 24.118
  },
  "oklch": {
    "l": 0.35617,
    "c": 0.01601,
    "h": 338.1
  },
  "luminance": 0.04443
}

Semantic roles & 50–950 ramp

primary

#42393F

secondary

#66716A

accent

#B08A77

background

#F7F6F7

surface

#EDECED

border

#C8C7C8

text

#080708

muted

#7B7A7B

Preview Lab

Preview with #42393F

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

Preview Lab → · Contrast checker → · Palette generator →