#400D0C#400D0C

#400D0C is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.1% C 0.079 H 25.9°. Best body text is #FFFFFF at 16.40:1 contrast (WCAG AA passes).

Color values

HEX	#400D0C
RGB	rgb(64, 13, 12)
HSL	hsl(1, 68%, 15%)
HSV	hsv(1, 81%, 25%)
CMYK	cmyk(0%, 79.7%, 81.2%, 74.9%)
CIE-LAB	lab(11.99, 24.50, 13.57)
CIE-LCH	lch(11.99, 28.01, 28.98°)
OKLab	oklab(25.07% 0.0712 0.0345)
OKLCH	oklch(25.07% 0.079 25.9)
XYZ	xyz(2.3249, 1.4047, 0.4965)
Luminance	0.0140 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400D0C #0C3F40

analogous

#400C25 #400D0C #40270C

triadic

#400D0C #0C400D #0D0C40

tetradic

#400D0C #25400C #0C3F40 #270C40

square

#400D0C #25400C #0C3F40 #270C40

split-complementary

#400D0C #0C4027 #0C2540

monochromatic

#1A0505 #1A0505 #400D0C #741716 #A7221F

Accessibility & contrast

On white

16.40

#400D0C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#400D0C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400D0C

16.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400D0C	#FFFFFF	#000000	##FFFFFF
##400D0C	1.00	16.40	1.28	16.40
#FFFFFF	16.40	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C180B

Deuteranopia (green-blind)

#28240A

Tritanopia (blue-blind)

#47010D

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #400d0c;
/* rgb */ color: rgb(64, 13, 12);
/* oklch */ color: oklch(25.1% 0.079 25.9);

Tailwind

colors: {
  custom: {
    50: '#7a504c',
    500: '#400d0c',
    950: '#000000',
  },
}

SCSS

$custom: #400d0c;
$custom-light: #7a504c;
$custom-dark: #000000;

JSON

{
  "hex": "#400d0c",
  "rgb": {
    "r": 64,
    "g": 13,
    "b": 12
  },
  "hsl": {
    "h": 1.154,
    "s": 68.421,
    "l": 14.902
  },
  "oklch": {
    "l": 0.25072,
    "c": 0.07907,
    "h": 25.9
  },
  "luminance": 0.01404
}

Semantic roles & 50–950 ramp

primary

#400D0C

secondary

#2C7B7C

accent

#E8EB3D

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #400D0C

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

Preview Lab → · Contrast checker → · Palette generator →