#400911#400911

#400911 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.7% C 0.083 H 18.1°. Best body text is #FFFFFF at 16.60:1 contrast (WCAG AA passes).

Color values

HEX	#400911
RGB	rgb(64, 9, 17)
HSL	hsl(351, 75%, 14%)
HSV	hsv(351, 86%, 25%)
CMYK	cmyk(0%, 85.9%, 73.4%, 74.9%)
CIE-LAB	lab(11.46, 26.55, 10.25)
CIE-LCH	lch(11.46, 28.46, 21.11°)
OKLab	oklab(24.71% 0.079 0.0258)
OKLCH	oklch(24.71% 0.083 18.1)
XYZ	xyz(2.3135, 1.3262, 0.6644)
Luminance	0.0133 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400911 #094038

analogous

#40092D #400911 #401D09

triadic

#400911 #114009 #091140

tetradic

#400911 #2D4009 #094038 #1D0940

square

#400911 #2D4009 #094038 #1D0940

split-complementary

#400911 #09401D #092D40

monochromatic

#1B0407 #1B0407 #400911 #76111F #AB182E

Accessibility & contrast

On white

16.60

#400911 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#400911 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400911

16.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400911	#FFFFFF	#000000	##FFFFFF
##400911	1.00	16.60	1.27	16.60
#FFFFFF	16.60	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191711

Deuteranopia (green-blind)

#27230F

Tritanopia (blue-blind)

#47000C

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #400911;
/* rgb */ color: rgb(64, 9, 17);
/* oklch */ color: oklch(24.7% 0.083 18.1);

Tailwind

colors: {
  custom: {
    50: '#7a4e4f',
    500: '#400911',
    950: '#000000',
  },
}

SCSS

$custom: #400911;
$custom-light: #7a4e4f;
$custom-dark: #000000;

JSON

{
  "hex": "#400911",
  "rgb": {
    "r": 64,
    "g": 9,
    "b": 17
  },
  "hsl": {
    "h": 351.273,
    "s": 75.342,
    "l": 14.314
  },
  "oklch": {
    "l": 0.24706,
    "c": 0.08306,
    "h": 18.1
  },
  "luminance": 0.01326
}

Semantic roles & 50–950 ramp

primary

#400911

secondary

#277E71

accent

#F2D736

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #400911

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

Preview Lab → · Contrast checker → · Palette generator →