#400505#400505

#400505 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.0% C 0.089 H 27.2°. Best body text is #FFFFFF at 16.91:1 contrast (WCAG AA passes).

Color values

HEX	#400505
RGB	rgb(64, 5, 5)
HSL	hsl(0, 86%, 14%)
HSV	hsv(0, 92%, 25%)
CMYK	cmyk(0%, 92.2%, 92.2%, 74.9%)
CIE-LAB	lab(10.63, 27.63, 14.59)
CIE-LCH	lch(10.63, 31.25, 27.83°)
OKLab	oklab(24.03% 0.079 0.0406)
OKLCH	oklch(24.03% 0.089 27.2)
XYZ	xyz(2.1963, 1.2098, 0.2614)
Luminance	0.0121 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400505 #054040

analogous

#400522 #400505 #402205

triadic

#400505 #054005 #050540

tetradic

#400505 #224005 #054040 #220540

square

#400505 #224005 #054040 #220540

split-complementary

#400505 #054022 #052240

monochromatic

#1C0202 #1C0202 #400505 #790909 #B20E0E

Accessibility & contrast

On white

16.91

#400505 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#400505 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400505

16.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400505	#FFFFFF	#000000	##FFFFFF
##400505	1.00	16.91	1.24	16.91
#FFFFFF	16.91	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181404

Deuteranopia (green-blind)

#262103

Tritanopia (blue-blind)

#480006

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #400505;
/* rgb */ color: rgb(64, 5, 5);
/* oklch */ color: oklch(24.0% 0.089 27.2);

Tailwind

colors: {
  custom: {
    50: '#7a4c49',
    500: '#400505',
    950: '#000000',
  },
}

SCSS

$custom: #400505;
$custom-light: #7a4c49;
$custom-dark: #000000;

JSON

{
  "hex": "#400505",
  "rgb": {
    "r": 64,
    "g": 5,
    "b": 5
  },
  "hsl": {
    "h": 0,
    "s": 85.507,
    "l": 13.529
  },
  "oklch": {
    "l": 0.24025,
    "c": 0.0888,
    "h": 27.2
  },
  "luminance": 0.01209
}

Semantic roles & 50–950 ramp

primary

#400505

secondary

#208181

accent

#FCFC2C

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0100

muted

#7C7777

Preview Lab

Preview with #400505

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

Preview Lab → · Contrast checker → · Palette generator →