#400406#400406

#400406 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.9% C 0.090 H 25.6°. Best body text is #FFFFFF at 16.96:1 contrast (WCAG AA passes).

Color values

HEX	#400406
RGB	rgb(64, 4, 6)
HSL	hsl(358, 88%, 13%)
HSV	hsv(358, 94%, 25%)
CMYK	cmyk(0%, 93.8%, 90.6%, 74.9%)
CIE-LAB	lab(10.49, 28.14, 13.98)
CIE-LCH	lch(10.49, 31.42, 26.42°)
OKLab	oklab(23.92% 0.0809 0.0388)
OKLCH	oklch(23.92% 0.09 25.6)
XYZ	xyz(2.1909, 1.1903, 0.2867)
Luminance	0.0119 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400406 #04403E

analogous

#400424 #400406 #402004

triadic

#400406 #064004 #040640

tetradic

#400406 #244004 #04403E #200440

square

#400406 #244004 #04403E #200440

split-complementary

#400406 #044020 #042440

monochromatic

#1D0203 #1D0203 #400406 #7A080B #B30B11

Accessibility & contrast

On white

16.96

#400406 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#400406 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400406

16.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400406	#FFFFFF	#000000	##FFFFFF
##400406	1.00	16.96	1.24	16.96
#FFFFFF	16.96	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171405

Deuteranopia (green-blind)

#262104

Tritanopia (blue-blind)

#480005

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #400406;
/* rgb */ color: rgb(64, 4, 6);
/* oklch */ color: oklch(23.9% 0.090 25.6);

Tailwind

colors: {
  custom: {
    50: '#7a4b49',
    500: '#400406',
    950: '#000000',
  },
}

SCSS

$custom: #400406;
$custom-light: #7a4b49;
$custom-dark: #000000;

JSON

{
  "hex": "#400406",
  "rgb": {
    "r": 64,
    "g": 4,
    "b": 6
  },
  "hsl": {
    "h": 358,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.23924,
    "c": 0.08975,
    "h": 25.6
  },
  "luminance": 0.0119
}

Semantic roles & 50–950 ramp

primary

#400406

secondary

#1F817E

accent

#FEF729

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0100

muted

#7C7777

Preview Lab

Preview with #400406

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

Preview Lab → · Contrast checker → · Palette generator →