#400D0F#400D0F

#400D0F is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.1% C 0.079 H 22.8°. Best body text is #FFFFFF at 16.38:1 contrast (WCAG AA passes).

Color values

HEX	#400D0F
RGB	rgb(64, 13, 15)
HSL	hsl(358, 66%, 15%)
HSV	hsv(358, 80%, 25%)
CMYK	cmyk(0%, 79.7%, 76.6%, 74.9%)
CIE-LAB	lab(12.04, 24.68, 12.16)
CIE-LCH	lch(12.04, 27.52, 26.23°)
OKLab	oklab(25.13% 0.0725 0.0305)
OKLCH	oklch(25.13% 0.079 22.8)
XYZ	xyz(2.3448, 1.4127, 0.6011)
Luminance	0.0141 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400D0F #0D403E

analogous

#400D28 #400D0F #40240D

triadic

#400D0F #0F400D #0D0F40

tetradic

#400D0F #28400D #0D403E #240D40

square

#400D0F #28400D #0D403E #240D40

split-complementary

#400D0F #0D4024 #0D2840

monochromatic

#190506 #190506 #400D0F #73171B #A62227

Accessibility & contrast

On white

16.38

#400D0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#400D0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400D0F

16.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400D0F	#FFFFFF	#000000	##FFFFFF
##400D0F	1.00	16.38	1.28	16.38
#FFFFFF	16.38	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B190F

Deuteranopia (green-blind)

#28240D

Tritanopia (blue-blind)

#47010E

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #400d0f;
/* rgb */ color: rgb(64, 13, 15);
/* oklch */ color: oklch(25.1% 0.079 22.8);

Tailwind

colors: {
  custom: {
    50: '#79504d',
    500: '#400d0f',
    950: '#000000',
  },
}

SCSS

$custom: #400d0f;
$custom-light: #79504d;
$custom-dark: #000000;

JSON

{
  "hex": "#400d0f",
  "rgb": {
    "r": 64,
    "g": 13,
    "b": 15
  },
  "hsl": {
    "h": 357.647,
    "s": 66.234,
    "l": 15.098
  },
  "oklch": {
    "l": 0.25128,
    "c": 0.07863,
    "h": 22.8
  },
  "luminance": 0.01412
}

Semantic roles & 50–950 ramp

primary

#400D0F

secondary

#2D7C78

accent

#E9E23F

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #400D0F

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

Preview Lab → · Contrast checker → · Palette generator →