#400C05#400C05

#400C05 is a very dark, moderate red. Relative luminance 0.014; OKLCH L 24.8% C 0.082 H 31.7°. Best body text is #FFFFFF at 16.50:1 contrast (WCAG AA passes).

Color values

HEX	#400C05
RGB	rgb(64, 12, 5)
HSL	hsl(7, 86%, 14%)
HSV	hsv(7, 92%, 25%)
CMYK	cmyk(0%, 81.2%, 92.2%, 74.9%)
CIE-LAB	lab(11.72, 24.59, 16.09)
CIE-LCH	lch(11.72, 29.39, 33.20°)
OKLab	oklab(24.84% 0.0695 0.0428)
OKLCH	oklch(24.84% 0.082 31.7)
XYZ	xyz(2.2735, 1.3642, 0.2872)
Luminance	0.0136 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400C05 #053940

analogous

#40051B #400C05 #402905

triadic

#400C05 #05400C #0C0540

tetradic

#400C05 #1B4005 #053940 #290540

square

#400C05 #1B4005 #053940 #290540

split-complementary

#400C05 #054029 #051B40

monochromatic

#1C0502 #1C0502 #400C05 #791709 #B2210E

Accessibility & contrast

On white

16.50

#400C05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#400C05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400C05

16.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400C05	#FFFFFF	#000000	##FFFFFF
##400C05	1.00	16.50	1.27	16.50
#FFFFFF	16.50	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1804

Deuteranopia (green-blind)

#282303

Tritanopia (blue-blind)

#47000B

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #400c05;
/* rgb */ color: rgb(64, 12, 5);
/* oklch */ color: oklch(24.8% 0.082 31.7);

Tailwind

colors: {
  custom: {
    50: '#7a4f49',
    500: '#400c05',
    950: '#000000',
  },
}

SCSS

$custom: #400c05;
$custom-light: #7a4f49;
$custom-dark: #000000;

JSON

{
  "hex": "#400c05",
  "rgb": {
    "r": 64,
    "g": 12,
    "b": 5
  },
  "hsl": {
    "h": 7.119,
    "s": 85.507,
    "l": 13.529
  },
  "oklch": {
    "l": 0.24836,
    "c": 0.08163,
    "h": 31.7
  },
  "luminance": 0.01364
}

Semantic roles & 50–950 ramp

primary

#400C05

secondary

#207581

accent

#E3FC2C

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0200

muted

#7C7877

Preview Lab

Preview with #400C05

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

Preview Lab → · Contrast checker → · Palette generator →