#400511#400511

#400511 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.3% C 0.088 H 15.9°. Best body text is #FFFFFF at 16.83:1 contrast (WCAG AA passes).

Color values

HEX	#400511
RGB	rgb(64, 5, 17)
HSL	hsl(348, 86%, 14%)
HSV	hsv(348, 92%, 25%)
CMYK	cmyk(0%, 92.2%, 73.4%, 74.9%)
CIE-LAB	lab(10.84, 28.28, 9.40)
CIE-LCH	lch(10.84, 29.80, 18.39°)
OKLab	oklab(24.25% 0.0845 0.024)
OKLCH	oklch(24.25% 0.088 15.9)
XYZ	xyz(2.2701, 1.2394, 0.6499)
Luminance	0.0124 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400511 #054034

analogous

#40052E #400511 #401605

triadic

#400511 #114005 #051140

tetradic

#400511 #2E4005 #054034 #160540

square

#400511 #2E4005 #054034 #160540

split-complementary

#400511 #054016 #052E40

monochromatic

#1C0208 #1C0208 #400511 #790920 #B20E2F

Accessibility & contrast

On white

16.83

#400511 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#400511 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400511

16.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400511	#FFFFFF	#000000	##FFFFFF
##400511	1.00	16.83	1.25	16.83
#FFFFFF	16.83	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161511

Deuteranopia (green-blind)

#25220F

Tritanopia (blue-blind)

#47000A

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #400511;
/* rgb */ color: rgb(64, 5, 17);
/* oklch */ color: oklch(24.3% 0.088 15.9);

Tailwind

colors: {
  custom: {
    50: '#7a4c4f',
    500: '#400511',
    950: '#000000',
  },
}

SCSS

$custom: #400511;
$custom-light: #7a4c4f;
$custom-dark: #000000;

JSON

{
  "hex": "#400511",
  "rgb": {
    "r": 64,
    "g": 5,
    "b": 17
  },
  "hsl": {
    "h": 347.797,
    "s": 85.507,
    "l": 13.529
  },
  "oklch": {
    "l": 0.24253,
    "c": 0.08786,
    "h": 15.9
  },
  "luminance": 0.01239
}

Semantic roles & 50–950 ramp

primary

#400511

secondary

#20816D

accent

#FCD22C

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0101

muted

#7C7777

Preview Lab

Preview with #400511

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

Preview Lab → · Contrast checker → · Palette generator →