#400915#400915

#400915 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.8% C 0.083 H 13.6°. Best body text is #FFFFFF at 16.56:1 contrast (WCAG AA passes).

Color values

HEX	#400915
RGB	rgb(64, 9, 21)
HSL	hsl(347, 75%, 14%)
HSV	hsv(347, 86%, 25%)
CMYK	cmyk(0%, 85.9%, 67.2%, 74.9%)
CIE-LAB	lab(11.55, 26.86, 7.84)
CIE-LCH	lch(11.55, 27.98, 16.27°)
OKLab	oklab(24.81% 0.0809 0.0195)
OKLCH	oklch(24.81% 0.083 13.6)
XYZ	xyz(2.3476, 1.3398, 0.8443)
Luminance	0.0134 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400915 #094034

analogous

#400931 #400915 #401909

triadic

#400915 #154009 #091540

tetradic

#400915 #314009 #094034 #190940

square

#400915 #314009 #094034 #190940

split-complementary

#400915 #094019 #093140

monochromatic

#1B0409 #1B0409 #400915 #761127 #AB1838

Accessibility & contrast

On white

16.56

#400915 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#400915 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400915

16.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400915	#FFFFFF	#000000	##FFFFFF
##400915	1.00	16.56	1.27	16.56
#FFFFFF	16.56	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181715

Deuteranopia (green-blind)

#262314

Tritanopia (blue-blind)

#47000E

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #400915;
/* rgb */ color: rgb(64, 9, 21);
/* oklch */ color: oklch(24.8% 0.083 13.6);

Tailwind

colors: {
  custom: {
    50: '#794e52',
    500: '#400915',
    950: '#000000',
  },
}

SCSS

$custom: #400915;
$custom-light: #794e52;
$custom-dark: #000000;

JSON

{
  "hex": "#400915",
  "rgb": {
    "r": 64,
    "g": 9,
    "b": 21
  },
  "hsl": {
    "h": 346.909,
    "s": 75.342,
    "l": 14.314
  },
  "oklch": {
    "l": 0.24806,
    "c": 0.08319,
    "h": 13.6
  },
  "luminance": 0.0134
}

Semantic roles & 50–950 ramp

primary

#400915

secondary

#277E6B

accent

#F2C936

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0202

muted

#7C7878

Preview Lab

Preview with #400915

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

Preview Lab → · Contrast checker → · Palette generator →