#400405#400405

#400405 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.9% C 0.090 H 26.6°. Best body text is #FFFFFF at 16.97:1 contrast (WCAG AA passes).

Color values

HEX	#400405
RGB	rgb(64, 4, 5)
HSL	hsl(359, 88%, 13%)
HSV	hsv(359, 94%, 25%)
CMYK	cmyk(0%, 93.8%, 92.2%, 74.9%)
CIE-LAB	lab(10.47, 28.09, 14.36)
CIE-LCH	lch(10.47, 31.55, 27.08°)
OKLab	oklab(23.91% 0.0804 0.0402)
OKLCH	oklch(23.91% 0.09 26.6)
XYZ	xyz(2.1854, 1.1881, 0.2578)
Luminance	0.0119 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400405 #04403F

analogous

#400423 #400405 #402104

triadic

#400405 #054004 #040540

tetradic

#400405 #234004 #04403F #210440

square

#400405 #234004 #04403F #210440

split-complementary

#400405 #044021 #042340

monochromatic

#1D0202 #1D0202 #400405 #7A080A #B30B0E

Accessibility & contrast

On white

16.97

#400405 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#400405 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400405

16.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400405	#FFFFFF	#000000	##FFFFFF
##400405	1.00	16.97	1.24	16.97
#FFFFFF	16.97	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171404

Deuteranopia (green-blind)

#262103

Tritanopia (blue-blind)

#480005

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #400405;
/* rgb */ color: rgb(64, 4, 5);
/* oklch */ color: oklch(23.9% 0.090 26.6);

Tailwind

colors: {
  custom: {
    50: '#7a4b49',
    500: '#400405',
    950: '#000000',
  },
}

SCSS

$custom: #400405;
$custom-light: #7a4b49;
$custom-dark: #000000;

JSON

{
  "hex": "#400405",
  "rgb": {
    "r": 64,
    "g": 4,
    "b": 5
  },
  "hsl": {
    "h": 359,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.23907,
    "c": 0.08993,
    "h": 26.6
  },
  "luminance": 0.01188
}

Semantic roles & 50–950 ramp

primary

#400405

secondary

#1F8180

accent

#FEFB29

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0100

muted

#7C7777

Preview Lab

Preview with #400405

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

Preview Lab → · Contrast checker → · Palette generator →