#400409#400409

#400409 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.0% C 0.089 H 22.9°. Best body text is #FFFFFF at 16.94:1 contrast (WCAG AA passes).

Color values

HEX	#400409
RGB	rgb(64, 4, 9)
HSL	hsl(355, 88%, 13%)
HSV	hsv(355, 94%, 25%)
CMYK	cmyk(0%, 93.8%, 85.9%, 74.9%)
CIE-LAB	lab(10.53, 28.28, 12.82)
CIE-LCH	lch(10.53, 31.05, 24.39°)
OKLab	oklab(23.98% 0.0823 0.0348)
OKLCH	oklch(23.98% 0.089 22.9)
XYZ	xyz(2.2073, 1.1969, 0.3732)
Luminance	0.0120 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400409 #04403B

analogous

#400427 #400409 #401D04

triadic

#400409 #094004 #040940

tetradic

#400409 #274004 #04403B #1D0440

square

#400409 #274004 #04403B #1D0440

split-complementary

#400409 #04401D #042740

monochromatic

#1D0204 #1D0204 #400409 #7A0811 #B30B19

Accessibility & contrast

On white

16.94

#400409 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#400409 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400409

16.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400409	#FFFFFF	#000000	##FFFFFF
##400409	1.00	16.94	1.24	16.94
#FFFFFF	16.94	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171409

Deuteranopia (green-blind)

#262107

Tritanopia (blue-blind)

#470006

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #400409;
/* rgb */ color: rgb(64, 4, 9);
/* oklch */ color: oklch(24.0% 0.089 22.9);

Tailwind

colors: {
  custom: {
    50: '#7a4b4a',
    500: '#400409',
    950: '#000000',
  },
}

SCSS

$custom: #400409;
$custom-light: #7a4b4a;
$custom-dark: #000000;

JSON

{
  "hex": "#400409",
  "rgb": {
    "r": 64,
    "g": 4,
    "b": 9
  },
  "hsl": {
    "h": 355,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.23975,
    "c": 0.08938,
    "h": 22.9
  },
  "luminance": 0.01197
}

Semantic roles & 50–950 ramp

primary

#400409

secondary

#1F8179

accent

#FEED29

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0101

muted

#7C7777

Preview Lab

Preview with #400409

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

Preview Lab → · Contrast checker → · Palette generator →