#400813#400813

#400813 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.6% C 0.084 H 15.3°. Best body text is #FFFFFF at 16.64:1 contrast (WCAG AA passes).

Color values

HEX	#400813
RGB	rgb(64, 8, 19)
HSL	hsl(348, 78%, 14%)
HSV	hsv(348, 88%, 25%)
CMYK	cmyk(0%, 87.5%, 70.3%, 74.9%)
CIE-LAB	lab(11.35, 27.12, 8.89)
CIE-LCH	lch(11.35, 28.54, 18.15°)
OKLab	oklab(24.64% 0.0813 0.0223)
OKLCH	oklch(24.64% 0.084 15.3)
XYZ	xyz(2.3190, 1.3110, 0.7469)
Luminance	0.0131 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400813 #084035

analogous

#40082F #400813 #401908

triadic

#400813 #134008 #081340

tetradic

#400813 #2F4008 #084035 #190840

square

#400813 #2F4008 #084035 #190840

split-complementary

#400813 #084019 #082F40

monochromatic

#1B0308 #1B0308 #400813 #760F23 #AD1633

Accessibility & contrast

On white

16.64

#400813 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#400813 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400813

16.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400813	#FFFFFF	#000000	##FFFFFF
##400813	1.00	16.64	1.26	16.64
#FFFFFF	16.64	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181713

Deuteranopia (green-blind)

#262211

Tritanopia (blue-blind)

#47000D

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #400813;
/* rgb */ color: rgb(64, 8, 19);
/* oklch */ color: oklch(24.6% 0.084 15.3);

Tailwind

colors: {
  custom: {
    50: '#7a4d50',
    500: '#400813',
    950: '#000000',
  },
}

SCSS

$custom: #400813;
$custom-light: #7a4d50;
$custom-dark: #000000;

JSON

{
  "hex": "#400813",
  "rgb": {
    "r": 64,
    "g": 8,
    "b": 19
  },
  "hsl": {
    "h": 348.214,
    "s": 77.778,
    "l": 14.118
  },
  "oklch": {
    "l": 0.24643,
    "c": 0.08426,
    "h": 15.3
  },
  "luminance": 0.01311
}

Semantic roles & 50–950 ramp

primary

#400813

secondary

#257E6D

accent

#F4CE34

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0202

muted

#7C7878

Preview Lab

Preview with #400813

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

Preview Lab → · Contrast checker → · Palette generator →