#42403A#42403A

#42403A is a dark, near-neutral grey. Relative luminance 0.051; OKLCH L 37.1% C 0.010 H 91.7°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#42403A
RGB	rgb(66, 64, 58)
HSL	hsl(45, 6%, 24%)
HSV	hsv(45, 12%, 26%)
CMYK	cmyk(0%, 3%, 12.1%, 74.1%)
CIE-LAB	lab(27.10, -0.42, 3.97)
CIE-LCH	lch(27.10, 4.00, 95.98°)
OKLab	oklab(37.14% -0.0003 0.0104)
OKLCH	oklch(37.14% 0.01 91.7)
XYZ	xyz(4.8438, 5.1306, 4.7373)
Luminance	0.0513 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42403A #3A3C42

analogous

#423C3A #42403A #40423A

triadic

#42403A #3A4240 #403A42

tetradic

#42403A #3A423C #3A3C42 #423A40

square

#42403A #3A423C #3A3C42 #423A40

split-complementary

#42403A #3A4042 #3C3A42

monochromatic

#10100E #21201D #42403A #636057 #837F73

Accessibility & contrast

On white

10.36

#42403A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#42403A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42403A

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42403A	#FFFFFF	#000000	##FFFFFF
##42403A	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41403A

Deuteranopia (green-blind)

#42403A

Tritanopia (blue-blind)

#433F3E

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #42403a;
/* rgb */ color: rgb(66, 64, 58);
/* oklch */ color: oklch(37.1% 0.010 91.7);

Tailwind

colors: {
  custom: {
    50: '#767470',
    500: '#42403a',
    950: '#000000',
  },
}

SCSS

$custom: #42403a;
$custom-light: #767470;
$custom-dark: #000000;

JSON

{
  "hex": "#42403a",
  "rgb": {
    "r": 66,
    "g": 64,
    "b": 58
  },
  "hsl": {
    "h": 45,
    "s": 6.452,
    "l": 24.314
  },
  "oklch": {
    "l": 0.37144,
    "c": 0.01038,
    "h": 91.7
  },
  "luminance": 0.05131
}

Semantic roles & 50–950 ramp

primary

#42403A

secondary

#676971

accent

#86B078

background

#F7F7F6

surface

#EDEDEC

border

#C8C8C7

text

#080807

muted

#7B7B7A

Preview Lab

Preview with #42403A

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

Preview Lab → · Contrast checker → · Palette generator →