#40140B#40140B

#40140B is a dark, moderate red. Relative luminance 0.016; OKLCH L 26.1% C 0.071 H 33.3°. Best body text is #FFFFFF at 15.88:1 contrast (WCAG AA passes).

Color values

HEX	#40140B
RGB	rgb(64, 20, 11)
HSL	hsl(10, 71%, 15%)
HSV	hsv(10, 83%, 25%)
CMYK	cmyk(0%, 68.8%, 82.8%, 74.9%)
CIE-LAB	lab(13.32, 20.82, 15.81)
CIE-LCH	lch(13.32, 26.14, 37.21°)
OKLab	oklab(26.07% 0.0594 0.039)
OKLCH	oklch(26.07% 0.071 33.3)
XYZ	xyz(2.4252, 1.6148, 0.5005)
Luminance	0.0161 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40140B #0B3740

analogous

#400B1C #40140B #402F0B

triadic

#40140B #0B4014 #140B40

tetradic

#40140B #1C400B #0B3740 #2F0B40

square

#40140B #1C400B #0B3740 #2F0B40

split-complementary

#40140B #0B402F #0B1C40

monochromatic

#1A0804 #1A0804 #40140B #742414 #A8351D

Accessibility & contrast

On white

15.88

#40140B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#40140B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40140B

15.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40140B	#FFFFFF	#000000	##FFFFFF
##40140B	1.00	15.88	1.32	15.88
#FFFFFF	15.88	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201C0A

Deuteranopia (green-blind)

#2B260A

Tritanopia (blue-blind)

#470A12

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #40140b;
/* rgb */ color: rgb(64, 20, 11);
/* oklch */ color: oklch(26.1% 0.071 33.3);

Tailwind

colors: {
  custom: {
    50: '#79534b',
    500: '#40140b',
    950: '#000000',
  },
}

SCSS

$custom: #40140b;
$custom-light: #79534b;
$custom-dark: #000000;

JSON

{
  "hex": "#40140b",
  "rgb": {
    "r": 64,
    "g": 20,
    "b": 11
  },
  "hsl": {
    "h": 10.189,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.26067,
    "c": 0.07106,
    "h": 33.3
  },
  "luminance": 0.01614
}

Semantic roles & 50–950 ramp

primary

#40140B

secondary

#2A6F7D

accent

#CFED3A

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #40140B

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

Preview Lab → · Contrast checker → · Palette generator →