#400D17#400D17

#400D17 is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.3% C 0.078 H 13.5°. Best body text is #FFFFFF at 16.30:1 contrast (WCAG AA passes).

Color values

HEX	#400D17
RGB	rgb(64, 13, 23)
HSL	hsl(348, 66%, 15%)
HSV	hsv(348, 80%, 25%)
CMYK	cmyk(0%, 79.7%, 64.1%, 74.9%)
CIE-LAB	lab(12.22, 25.31, 7.32)
CIE-LCH	lch(12.22, 26.35, 16.13°)
OKLab	oklab(25.32% 0.0763 0.0183)
OKLCH	oklch(25.32% 0.078 13.5)
XYZ	xyz(2.4132, 1.4400, 0.9613)
Luminance	0.0144 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400D17 #0D4036

analogous

#400D31 #400D17 #401C0D

triadic

#400D17 #17400D #0D1740

tetradic

#400D17 #31400D #0D4036 #1C0D40

square

#400D17 #31400D #0D4036 #1C0D40

split-complementary

#400D17 #0D401C #0D3140

monochromatic

#190509 #190509 #400D17 #731729 #A6223C

Accessibility & contrast

On white

16.30

#400D17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#400D17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400D17

16.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400D17	#FFFFFF	#000000	##FFFFFF
##400D17	1.00	16.30	1.29	16.30
#FFFFFF	16.30	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A1917

Deuteranopia (green-blind)

#272416

Tritanopia (blue-blind)

#470311

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #400d17;
/* rgb */ color: rgb(64, 13, 23);
/* oklch */ color: oklch(25.3% 0.078 13.5);

Tailwind

colors: {
  custom: {
    50: '#795053',
    500: '#400d17',
    950: '#000000',
  },
}

SCSS

$custom: #400d17;
$custom-light: #795053;
$custom-dark: #000000;

JSON

{
  "hex": "#400d17",
  "rgb": {
    "r": 64,
    "g": 13,
    "b": 23
  },
  "hsl": {
    "h": 348.235,
    "s": 66.234,
    "l": 15.098
  },
  "oklch": {
    "l": 0.2532,
    "c": 0.07844,
    "h": 13.5
  },
  "luminance": 0.0144
}

Semantic roles & 50–950 ramp

primary

#400D17

secondary

#2D7C6C

accent

#E9C83F

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0202

muted

#7C7878

Preview Lab

Preview with #400D17

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

Preview Lab → · Contrast checker → · Palette generator →