#403D3D#403D3D

#403D3D is a dark, near-neutral grey. Relative luminance 0.048; OKLCH L 36.3% C 0.004 H 17.3°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#403D3D
RGB	rgb(64, 61, 61)
HSL	hsl(0, 2%, 25%)
HSV	hsv(0, 5%, 25%)
CMYK	cmyk(0%, 4.7%, 4.7%, 74.9%)
CIE-LAB	lab(26.05, 1.28, 0.46)
CIE-LCH	lch(26.05, 1.36, 19.65°)
OKLab	oklab(36.3% 0.0039 0.0012)
OKLCH	oklch(36.3% 0.004 17.3)
XYZ	xyz(4.6253, 4.7644, 5.0899)
Luminance	0.0476 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403D3D #3D4040

analogous

#403D3F #403D3D #403F3D

triadic

#403D3D #3D403D #3D3D40

tetradic

#403D3D #3F403D #3D4040 #3F3D40

square

#403D3D #3F403D #3D4040 #3F3D40

split-complementary

#403D3D #3D403F #3D3F40

monochromatic

#100F0F #211F1F #403D3D #5F5B5B #7F7979

Accessibility & contrast

On white

10.75

#403D3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#403D3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403D3D

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403D3D	#FFFFFF	#000000	##FFFFFF
##403D3D	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3D3D

Deuteranopia (green-blind)

#3E3E3D

Tritanopia (blue-blind)

#413D3D

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #403d3d;
/* rgb */ color: rgb(64, 61, 61);
/* oklch */ color: oklch(36.3% 0.004 17.3);

Tailwind

colors: {
  custom: {
    50: '#747272',
    500: '#403d3d',
    950: '#000000',
  },
}

SCSS

$custom: #403d3d;
$custom-light: #747272;
$custom-dark: #000000;

JSON

{
  "hex": "#403d3d",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 61
  },
  "hsl": {
    "h": 0,
    "s": 2.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.36301,
    "c": 0.00413,
    "h": 17.3
  },
  "luminance": 0.04764
}

Semantic roles & 50–950 ramp

primary

#403D3D

secondary

#6B6E6E

accent

#ACAC7C

background

#F7F6F6

surface

#EDECEC

border

#C8C7C7

text

#080808

muted

#7B7B7B

Preview Lab

Preview with #403D3D

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

Preview Lab → · Contrast checker → · Palette generator →