#400704#400704

#400704 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.2% C 0.087 H 29.4°. Best body text is #FFFFFF at 16.80:1 contrast (WCAG AA passes).

Color values

HEX	#400704
RGB	rgb(64, 7, 4)
HSL	hsl(3, 88%, 13%)
HSV	hsv(3, 94%, 25%)
CMYK	cmyk(0%, 89.1%, 93.8%, 74.9%)
CIE-LAB	lab(10.93, 26.69, 15.41)
CIE-LCH	lch(10.93, 30.82, 30.01°)
OKLab	oklab(24.24% 0.0757 0.0426)
OKLCH	oklch(24.24% 0.087 29.4)
XYZ	xyz(2.2125, 1.2511, 0.2398)
Luminance	0.0125 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400704 #043D40

analogous

#40041F #400704 #402504

triadic

#400704 #044007 #070440

tetradic

#400704 #1F4004 #043D40 #250440

square

#400704 #1F4004 #043D40 #250440

split-complementary

#400704 #044025 #041F40

monochromatic

#1D0302 #1D0302 #400704 #7A0D08 #B3140B

Accessibility & contrast

On white

16.80

#400704 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#400704 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400704

16.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400704	#FFFFFF	#000000	##FFFFFF
##400704	1.00	16.80	1.25	16.80
#FFFFFF	16.80	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191503

Deuteranopia (green-blind)

#272202

Tritanopia (blue-blind)

#480007

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #400704;
/* rgb */ color: rgb(64, 7, 4);
/* oklch */ color: oklch(24.2% 0.087 29.4);

Tailwind

colors: {
  custom: {
    50: '#7a4d48',
    500: '#400704',
    950: '#000000',
  },
}

SCSS

$custom: #400704;
$custom-light: #7a4d48;
$custom-dark: #000000;

JSON

{
  "hex": "#400704",
  "rgb": {
    "r": 64,
    "g": 7,
    "b": 4
  },
  "hsl": {
    "h": 3,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.24243,
    "c": 0.08688,
    "h": 29.4
  },
  "luminance": 0.01251
}

Semantic roles & 50–950 ramp

primary

#400704

secondary

#1F7C81

accent

#F4FE29

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0100

muted

#7C7777

Preview Lab

Preview with #400704

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

Preview Lab → · Contrast checker → · Palette generator →