#400D05#400D05

#400D05 is a very dark, moderate red. Relative luminance 0.014; OKLCH L 25.0% C 0.081 H 32.4°. Best body text is #FFFFFF at 16.43:1 contrast (WCAG AA passes).

Color values

HEX	#400D05
RGB	rgb(64, 13, 5)
HSL	hsl(8, 86%, 14%)
HSV	hsv(8, 92%, 25%)
CMYK	cmyk(0%, 79.7%, 92.2%, 74.9%)
CIE-LAB	lab(11.88, 24.13, 16.32)
CIE-LCH	lch(11.88, 29.13, 34.08°)
OKLab	oklab(24.96% 0.0681 0.0432)
OKLCH	oklch(24.96% 0.081 32.4)
XYZ	xyz(2.2859, 1.3891, 0.2913)
Luminance	0.0139 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400D05 #053840

analogous

#40051A #400D05 #402A05

triadic

#400D05 #05400D #0D0540

tetradic

#400D05 #1A4005 #053840 #2A0540

square

#400D05 #1A4005 #053840 #2A0540

split-complementary

#400D05 #05402A #051A40

monochromatic

#1C0602 #1C0602 #400D05 #791909 #B2240E

Accessibility & contrast

On white

16.43

#400D05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#400D05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400D05

16.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400D05	#FFFFFF	#000000	##FFFFFF
##400D05	1.00	16.43	1.28	16.43
#FFFFFF	16.43	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1804

Deuteranopia (green-blind)

#292303

Tritanopia (blue-blind)

#47000B

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #400d05;
/* rgb */ color: rgb(64, 13, 5);
/* oklch */ color: oklch(25.0% 0.081 32.4);

Tailwind

colors: {
  custom: {
    50: '#7a4f49',
    500: '#400d05',
    950: '#000000',
  },
}

SCSS

$custom: #400d05;
$custom-light: #7a4f49;
$custom-dark: #000000;

JSON

{
  "hex": "#400d05",
  "rgb": {
    "r": 64,
    "g": 13,
    "b": 5
  },
  "hsl": {
    "h": 8.136,
    "s": 85.507,
    "l": 13.529
  },
  "oklch": {
    "l": 0.24961,
    "c": 0.08061,
    "h": 32.4
  },
  "luminance": 0.01389
}

Semantic roles & 50–950 ramp

primary

#400D05

secondary

#207381

accent

#E0FC2C

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0200

muted

#7C7877

Preview Lab

Preview with #400D05

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

Preview Lab → · Contrast checker → · Palette generator →