#403A3A#403A3A

#403A3A is a dark, near-neutral grey. Relative luminance 0.044; OKLCH L 35.5% C 0.008 H 17.5°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#403A3A
RGB	rgb(64, 58, 58)
HSL	hsl(0, 5%, 24%)
HSV	hsv(0, 9%, 25%)
CMYK	cmyk(0%, 9.4%, 9.4%, 74.9%)
CIE-LAB	lab(25.02, 2.60, 0.94)
CIE-LCH	lch(25.02, 2.77, 19.93°)
OKLab	oklab(35.46% 0.008 0.0025)
OKLCH	oklch(35.46% 0.008 17.5)
XYZ	xyz(4.3911, 4.4217, 4.6243)
Luminance	0.0442 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403A3A #3A4040

analogous

#403A3D #403A3A #403D3A

triadic

#403A3A #3A403A #3A3A40

tetradic

#403A3A #3D403A #3A4040 #3D3A40

square

#403A3A #3D403A #3A4040 #3D3A40

split-complementary

#403A3A #3A403D #3A3D40

monochromatic

#100F0F #201D1D #403A3A #605757 #807474

Accessibility & contrast

On white

11.14

#403A3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#403A3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403A3A

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403A3A	#FFFFFF	#000000	##FFFFFF
##403A3A	1.00	11.14	1.88	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3B3A

Deuteranopia (green-blind)

#3C3C3A

Tritanopia (blue-blind)

#41393A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #403a3a;
/* rgb */ color: rgb(64, 58, 58);
/* oklch */ color: oklch(35.5% 0.008 17.5);

Tailwind

colors: {
  custom: {
    50: '#747070',
    500: '#403a3a',
    950: '#000000',
  },
}

SCSS

$custom: #403a3a;
$custom-light: #747070;
$custom-dark: #000000;

JSON

{
  "hex": "#403a3a",
  "rgb": {
    "r": 64,
    "g": 58,
    "b": 58
  },
  "hsl": {
    "h": 0,
    "s": 4.918,
    "l": 23.922
  },
  "oklch": {
    "l": 0.3546,
    "c": 0.00839,
    "h": 17.5
  },
  "luminance": 0.04422
}

Semantic roles & 50–950 ramp

primary

#403A3A

secondary

#676F6F

accent

#AEAE7A

background

#F7F6F6

surface

#EDECEC

border

#C8C7C7

text

#080707

muted

#7B7A7A

Preview Lab

Preview with #403A3A

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

Preview Lab → · Contrast checker → · Palette generator →