#403A40#403A40

#403A40 is a dark, near-neutral grey. Relative luminance 0.045; OKLCH L 35.7% C 0.013 H 325.8°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#403A40
RGB	rgb(64, 58, 64)
HSL	hsl(300, 5%, 24%)
HSV	hsv(300, 9%, 25%)
CMYK	cmyk(0%, 9.4%, 0%, 74.9%)
CIE-LAB	lab(25.22, 3.92, -2.76)
CIE-LCH	lch(25.22, 4.79, 324.89°)
OKLab	oklab(35.68% 0.0108 -0.0073)
OKLCH	oklch(35.68% 0.013 325.8)
XYZ	xyz(4.5527, 4.4863, 5.4756)
Luminance	0.0449 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403A40 #3A403A

analogous

#3D3A40 #403A40 #403A3D

triadic

#403A40 #40403A #3A4040

tetradic

#403A40 #403D3A #3A403A #3A3D40

square

#403A40 #403D3A #3A403A #3A3D40

split-complementary

#403A40 #3D403A #3A403D

monochromatic

#100F10 #201D20 #403A40 #605760 #807480

Accessibility & contrast

On white

11.07

#403A40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#403A40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403A40

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403A40	#FFFFFF	#000000	##FFFFFF
##403A40	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3B40

Deuteranopia (green-blind)

#3B3C40

Tritanopia (blue-blind)

#403A3C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #403a40;
/* rgb */ color: rgb(64, 58, 64);
/* oklch */ color: oklch(35.7% 0.013 325.8);

Tailwind

colors: {
  custom: {
    50: '#747074',
    500: '#403a40',
    950: '#000000',
  },
}

SCSS

$custom: #403a40;
$custom-light: #747074;
$custom-dark: #000000;

JSON

{
  "hex": "#403a40",
  "rgb": {
    "r": 64,
    "g": 58,
    "b": 64
  },
  "hsl": {
    "h": 300,
    "s": 4.918,
    "l": 23.922
  },
  "oklch": {
    "l": 0.35681,
    "c": 0.01303,
    "h": 325.8
  },
  "luminance": 0.04486
}

Semantic roles & 50–950 ramp

primary

#403A40

secondary

#676F67

accent

#AE7A7A

background

#F7F6F7

surface

#EDECED

border

#C8C7C8

text

#080708

muted

#7B7A7B

Preview Lab

Preview with #403A40

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

Preview Lab → · Contrast checker → · Palette generator →