#40433F#40433F

#40433F is a dark, near-neutral grey. Relative luminance 0.055; OKLCH L 37.9% C 0.008 H 137.8°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#40433F
RGB	rgb(64, 67, 63)
HSL	hsl(105, 3%, 25%)
HSV	hsv(105, 6%, 26%)
CMYK	cmyk(4.5%, 0%, 6%, 73.7%)
CIE-LAB	lab(28.02, -2.14, 1.99)
CIE-LCH	lch(28.02, 2.93, 137.07°)
OKLab	oklab(37.87% -0.0058 0.0052)
OKLCH	oklch(37.87% 0.008 137.8)
XYZ	xyz(5.0186, 5.4632, 5.4918)
Luminance	0.0546 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40433F #423F43

analogous

#42433F #40433F #3F4340

triadic

#40433F #3F4043 #433F40

tetradic

#40433F #3F4243 #423F43 #43403F

square

#40433F #3F4243 #423F43 #43403F

split-complementary

#40433F #403F43 #433F42

monochromatic

#0F100F #222321 #40433F #5E635D #7C827A

Accessibility & contrast

On white

10.04

#40433F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#40433F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40433F

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40433F	#FFFFFF	#000000	##FFFFFF
##40433F	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#43423F

Deuteranopia (green-blind)

#43423F

Tritanopia (blue-blind)

#404342

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #40433f;
/* rgb */ color: rgb(64, 67, 63);
/* oklch */ color: oklch(37.9% 0.008 137.8);

Tailwind

colors: {
  custom: {
    50: '#747774',
    500: '#40433f',
    950: '#000000',
  },
}

SCSS

$custom: #40433f;
$custom-light: #747774;
$custom-dark: #000000;

JSON

{
  "hex": "#40433f",
  "rgb": {
    "r": 64,
    "g": 67,
    "b": 63
  },
  "hsl": {
    "h": 105,
    "s": 3.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.37865,
    "c": 0.00778,
    "h": 137.8
  },
  "luminance": 0.05463
}

Semantic roles & 50–950 ramp

primary

#40433F

secondary

#706D71

accent

#7CACA0

background

#F7F7F7

surface

#EDEDED

border

#C8C8C8

text

#080808

muted

#7B7B7B

Preview Lab

Preview with #40433F

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

Preview Lab → · Contrast checker → · Palette generator →