#400810#400810

#400810 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.6% C 0.084 H 18.6°. Best body text is #FFFFFF at 16.66:1 contrast (WCAG AA passes).

Color values

HEX	#400810
RGB	rgb(64, 8, 16)
HSL	hsl(351, 78%, 14%)
HSV	hsv(351, 88%, 25%)
CMYK	cmyk(0%, 87.5%, 75%, 74.9%)
CIE-LAB	lab(11.29, 26.91, 10.58)
CIE-LCH	lch(11.29, 28.91, 21.47°)
OKLab	oklab(24.57% 0.0798 0.0269)
OKLCH	oklch(24.57% 0.084 18.6)
XYZ	xyz(2.2950, 1.3014, 0.6205)
Luminance	0.0130 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400810 #084038

analogous

#40082C #400810 #401C08

triadic

#400810 #104008 #081040

tetradic

#400810 #2C4008 #084038 #1C0840

square

#400810 #2C4008 #084038 #1C0840

split-complementary

#400810 #08401C #082C40

monochromatic

#1B0307 #1B0307 #400810 #760F1E #AD162B

Accessibility & contrast

On white

16.66

#400810 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#400810 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400810

16.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400810	#FFFFFF	#000000	##FFFFFF
##400810	1.00	16.66	1.26	16.66
#FFFFFF	16.66	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181710

Deuteranopia (green-blind)

#26220E

Tritanopia (blue-blind)

#47000B

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #400810;
/* rgb */ color: rgb(64, 8, 16);
/* oklch */ color: oklch(24.6% 0.084 18.6);

Tailwind

colors: {
  custom: {
    50: '#7a4d4e',
    500: '#400810',
    950: '#000000',
  },
}

SCSS

$custom: #400810;
$custom-light: #7a4d4e;
$custom-dark: #000000;

JSON

{
  "hex": "#400810",
  "rgb": {
    "r": 64,
    "g": 8,
    "b": 16
  },
  "hsl": {
    "h": 351.429,
    "s": 77.778,
    "l": 14.118
  },
  "oklch": {
    "l": 0.24572,
    "c": 0.08424,
    "h": 18.6
  },
  "luminance": 0.01301
}

Semantic roles & 50–950 ramp

primary

#400810

secondary

#257E72

accent

#F4D934

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #400810

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

Preview Lab → · Contrast checker → · Palette generator →