#400A11#400A11

#400A11 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.8% C 0.082 H 18.7°. Best body text is #FFFFFF at 16.54:1 contrast (WCAG AA passes).

Color values

HEX	#400A11
RGB	rgb(64, 10, 17)
HSL	hsl(352, 73%, 15%)
HSV	hsv(352, 84%, 25%)
CMYK	cmyk(0%, 84.4%, 73.4%, 74.9%)
CIE-LAB	lab(11.61, 26.14, 10.46)
CIE-LCH	lch(11.61, 28.15, 21.81°)
OKLab	oklab(24.82% 0.0776 0.0262)
OKLCH	oklch(24.82% 0.082 18.7)
XYZ	xyz(2.3243, 1.3479, 0.6680)
Luminance	0.0135 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400A11 #0A4039

analogous

#400A2C #400A11 #401E0A

triadic

#400A11 #11400A #0A1140

tetradic

#400A11 #2C400A #0A4039 #1E0A40

square

#400A11 #2C400A #0A4039 #1E0A40

split-complementary

#400A11 #0A401E #0A2C40

monochromatic

#1A0407 #1A0407 #400A11 #75121F #AA1B2D

Accessibility & contrast

On white

16.54

#400A11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#400A11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400A11

16.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400A11	#FFFFFF	#000000	##FFFFFF
##400A11	1.00	16.54	1.27	16.54
#FFFFFF	16.54	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191711

Deuteranopia (green-blind)

#27230F

Tritanopia (blue-blind)

#47000D

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #400a11;
/* rgb */ color: rgb(64, 10, 17);
/* oklch */ color: oklch(24.8% 0.082 18.7);

Tailwind

colors: {
  custom: {
    50: '#7a4e4f',
    500: '#400a11',
    950: '#000000',
  },
}

SCSS

$custom: #400a11;
$custom-light: #7a4e4f;
$custom-dark: #000000;

JSON

{
  "hex": "#400a11",
  "rgb": {
    "r": 64,
    "g": 10,
    "b": 17
  },
  "hsl": {
    "h": 352.222,
    "s": 72.973,
    "l": 14.51
  },
  "oklch": {
    "l": 0.24817,
    "c": 0.08194,
    "h": 18.7
  },
  "luminance": 0.01348
}

Semantic roles & 50–950 ramp

primary

#400A11

secondary

#297D72

accent

#F0D838

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #400A11

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

Preview Lab → · Contrast checker → · Palette generator →