#400A13#400A13

#400A13 is a very dark, moderate red. Relative luminance 0.014; OKLCH L 24.9% C 0.082 H 16.4°. Best body text is #FFFFFF at 16.53:1 contrast (WCAG AA passes).

Color values

HEX	#400A13
RGB	rgb(64, 10, 19)
HSL	hsl(350, 73%, 15%)
HSV	hsv(350, 84%, 25%)
CMYK	cmyk(0%, 84.4%, 70.3%, 74.9%)
CIE-LAB	lab(11.65, 26.29, 9.30)
CIE-LCH	lch(11.65, 27.88, 19.49°)
OKLab	oklab(24.86% 0.0786 0.0232)
OKLCH	oklch(24.86% 0.082 16.4)
XYZ	xyz(2.3407, 1.3544, 0.7541)
Luminance	0.0135 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400A13 #0A4037

analogous

#400A2E #400A13 #401C0A

triadic

#400A13 #13400A #0A1340

tetradic

#400A13 #2E400A #0A4037 #1C0A40

square

#400A13 #2E400A #0A4037 #1C0A40

split-complementary

#400A13 #0A401C #0A2E40

monochromatic

#1A0408 #1A0408 #400A13 #751223 #AA1B32

Accessibility & contrast

On white

16.53

#400A13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#400A13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400A13

16.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400A13	#FFFFFF	#000000	##FFFFFF
##400A13	1.00	16.53	1.27	16.53
#FFFFFF	16.53	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191813

Deuteranopia (green-blind)

#272312

Tritanopia (blue-blind)

#47000E

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #400a13;
/* rgb */ color: rgb(64, 10, 19);
/* oklch */ color: oklch(24.9% 0.082 16.4);

Tailwind

colors: {
  custom: {
    50: '#794e50',
    500: '#400a13',
    950: '#000000',
  },
}

SCSS

$custom: #400a13;
$custom-light: #794e50;
$custom-dark: #000000;

JSON

{
  "hex": "#400a13",
  "rgb": {
    "r": 64,
    "g": 10,
    "b": 19
  },
  "hsl": {
    "h": 350,
    "s": 72.973,
    "l": 14.51
  },
  "oklch": {
    "l": 0.24864,
    "c": 0.08192,
    "h": 16.4
  },
  "luminance": 0.01354
}

Semantic roles & 50–950 ramp

primary

#400A13

secondary

#297D6F

accent

#F0D138

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0202

muted

#7C7878

Preview Lab

Preview with #400A13

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

Preview Lab → · Contrast checker → · Palette generator →