#400312#400312

#400312 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.0% C 0.091 H 13.7°. Best body text is #FFFFFF at 16.94:1 contrast (WCAG AA passes).

Color values

HEX	#400312
RGB	rgb(64, 3, 18)
HSL	hsl(345, 91%, 13%)
HSV	hsv(345, 95%, 25%)
CMYK	cmyk(0%, 95.3%, 71.9%, 74.9%)
CIE-LAB	lab(10.55, 29.26, 8.40)
CIE-LCH	lch(10.55, 30.44, 16.01°)
OKLab	oklab(24.04% 0.0879 0.0215)
OKLCH	oklch(24.04% 0.091 13.7)
XYZ	xyz(2.2563, 1.1991, 0.6848)
Luminance	0.0120 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400312 #034031

analogous

#400330 #400312 #401203

triadic

#400312 #124003 #031240

tetradic

#400312 #304003 #034031 #120340

square

#400312 #304003 #034031 #120340

split-complementary

#400312 #034012 #033040

monochromatic

#1D0108 #1D0108 #400312 #7A0622 #B50833

Accessibility & contrast

On white

16.94

#400312 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#400312 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400312

16.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400312	#FFFFFF	#000000	##FFFFFF
##400312	1.00	16.94	1.24	16.94
#FFFFFF	16.94	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151412

Deuteranopia (green-blind)

#252110

Tritanopia (blue-blind)

#470009

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #400312;
/* rgb */ color: rgb(64, 3, 18);
/* oklch */ color: oklch(24.0% 0.091 13.7);

Tailwind

colors: {
  custom: {
    50: '#7a4b4f',
    500: '#400312',
    950: '#000000',
  },
}

SCSS

$custom: #400312;
$custom-light: #7a4b4f;
$custom-dark: #000000;

JSON

{
  "hex": "#400312",
  "rgb": {
    "r": 64,
    "g": 3,
    "b": 18
  },
  "hsl": {
    "h": 345.246,
    "s": 91.045,
    "l": 13.137
  },
  "oklch": {
    "l": 0.24044,
    "c": 0.09051,
    "h": 13.7
  },
  "luminance": 0.01199
}

Semantic roles & 50–950 ramp

primary

#400312

secondary

#1D8269

accent

#FFCA29

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0102

muted

#7C7778

Preview Lab

Preview with #400312

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

Preview Lab → · Contrast checker → · Palette generator →