#403D40#403D40

#403D40 is a dark, near-neutral grey. Relative luminance 0.048; OKLCH L 36.4% C 0.006 H 325.7°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#403D40
RGB	rgb(64, 61, 64)
HSL	hsl(300, 2%, 25%)
HSV	hsv(300, 5%, 25%)
CMYK	cmyk(0%, 4.7%, 0%, 74.9%)
CIE-LAB	lab(26.15, 1.95, -1.38)
CIE-LCH	lch(26.15, 2.39, 324.67°)
OKLab	oklab(36.41% 0.0054 -0.0036)
OKLCH	oklch(36.41% 0.006 325.7)
XYZ	xyz(4.7084, 4.7977, 5.5275)
Luminance	0.0480 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403D40 #3D403D

analogous

#3F3D40 #403D40 #403D3F

triadic

#403D40 #40403D #3D4040

tetradic

#403D40 #403F3D #3D403D #3D3F40

square

#403D40 #403F3D #3D403D #3D3F40

split-complementary

#403D40 #3F403D #3D403F

monochromatic

#100F10 #211F21 #403D40 #5F5B5F #7F797F

Accessibility & contrast

On white

10.72

#403D40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#403D40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403D40

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403D40	#FFFFFF	#000000	##FFFFFF
##403D40	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3E40

Deuteranopia (green-blind)

#3D3E40

Tritanopia (blue-blind)

#403D3E

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #403d40;
/* rgb */ color: rgb(64, 61, 64);
/* oklch */ color: oklch(36.4% 0.006 325.7);

Tailwind

colors: {
  custom: {
    50: '#747274',
    500: '#403d40',
    950: '#000000',
  },
}

SCSS

$custom: #403d40;
$custom-light: #747274;
$custom-dark: #000000;

JSON

{
  "hex": "#403d40",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 64
  },
  "hsl": {
    "h": 300,
    "s": 2.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.3641,
    "c": 0.00648,
    "h": 325.7
  },
  "luminance": 0.04798
}

Semantic roles & 50–950 ramp

primary

#403D40

secondary

#6B6E6B

accent

#AC7C7C

background

#F7F6F7

surface

#EDECED

border

#C8C7C8

text

#080808

muted

#7B7B7B

Preview Lab

Preview with #403D40

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

Preview Lab → · Contrast checker → · Palette generator →