#403C3C#403C3C

#403C3C is a dark, near-neutral grey. Relative luminance 0.046; OKLCH L 36.0% C 0.006 H 17.5°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#403C3C
RGB	rgb(64, 60, 60)
HSL	hsl(0, 3%, 24%)
HSV	hsv(0, 6%, 25%)
CMYK	cmyk(0%, 6.2%, 6.2%, 74.9%)
CIE-LAB	lab(25.71, 1.72, 0.62)
CIE-LCH	lch(25.71, 1.83, 19.74°)
OKLab	oklab(36.02% 0.0053 0.0017)
OKLCH	oklch(36.02% 0.006 17.5)
XYZ	xyz(4.5457, 4.6480, 4.9318)
Luminance	0.0465 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403C3C #3C4040

analogous

#403C3E #403C3C #403E3C

triadic

#403C3C #3C403C #3C3C40

tetradic

#403C3C #3E403C #3C4040 #3E3C40

square

#403C3C #3E403C #3C4040 #3E3C40

split-complementary

#403C3C #3C403E #3C3E40

monochromatic

#100F0F #201E1E #403C3C #605A5A #7F7777

Accessibility & contrast

On white

10.88

#403C3C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#403C3C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403C3C

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403C3C	#FFFFFF	#000000	##FFFFFF
##403C3C	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3C3C

Deuteranopia (green-blind)

#3E3D3C

Tritanopia (blue-blind)

#413C3C

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #403c3c;
/* rgb */ color: rgb(64, 60, 60);
/* oklch */ color: oklch(36.0% 0.006 17.5);

Tailwind

colors: {
  custom: {
    50: '#747171',
    500: '#403c3c',
    950: '#000000',
  },
}

SCSS

$custom: #403c3c;
$custom-light: #747171;
$custom-dark: #000000;

JSON

{
  "hex": "#403c3c",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 60
  },
  "hsl": {
    "h": 0,
    "s": 3.226,
    "l": 24.314
  },
  "oklch": {
    "l": 0.3602,
    "c": 0.00553,
    "h": 17.5
  },
  "luminance": 0.04648
}

Semantic roles & 50–950 ramp

primary

#403C3C

secondary

#696E6E

accent

#ACAC7B

background

#F7F6F6

surface

#EDECEC

border

#C8C7C7

text

#080707

muted

#7B7A7A

Preview Lab

Preview with #403C3C

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

Preview Lab → · Contrast checker → · Palette generator →