#40130B#40130B

#40130B is a dark, moderate red. Relative luminance 0.016; OKLCH L 25.9% C 0.072 H 32.2°. Best body text is #FFFFFF at 15.96:1 contrast (WCAG AA passes).

Color values

HEX	#40130B
RGB	rgb(64, 19, 11)
HSL	hsl(9, 71%, 15%)
HSV	hsv(9, 83%, 25%)
CMYK	cmyk(0%, 70.3%, 82.8%, 74.9%)
CIE-LAB	lab(13.11, 21.38, 15.52)
CIE-LCH	lch(13.11, 26.42, 35.99°)
OKLab	oklab(25.91% 0.0611 0.0385)
OKLCH	oklch(25.91% 0.072 32.2)
XYZ	xyz(2.4079, 1.5802, 0.4948)
Luminance	0.0158 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40130B #0B3840

analogous

#400B1D #40130B #402E0B

triadic

#40130B #0B4013 #130B40

tetradic

#40130B #1D400B #0B3840 #2E0B40

square

#40130B #1D400B #0B3840 #2E0B40

split-complementary

#40130B #0B402E #0B1D40

monochromatic

#1A0804 #1A0804 #40130B #742314 #A8321D

Accessibility & contrast

On white

15.96

#40130B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#40130B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40130B

15.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40130B	#FFFFFF	#000000	##FFFFFF
##40130B	1.00	15.96	1.32	15.96
#FFFFFF	15.96	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1C0A

Deuteranopia (green-blind)

#2B250A

Tritanopia (blue-blind)

#470811

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #40130b;
/* rgb */ color: rgb(64, 19, 11);
/* oklch */ color: oklch(25.9% 0.072 32.2);

Tailwind

colors: {
  custom: {
    50: '#79534b',
    500: '#40130b',
    950: '#000000',
  },
}

SCSS

$custom: #40130b;
$custom-light: #79534b;
$custom-dark: #000000;

JSON

{
  "hex": "#40130b",
  "rgb": {
    "r": 64,
    "g": 19,
    "b": 11
  },
  "hsl": {
    "h": 9.057,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.25908,
    "c": 0.07225,
    "h": 32.2
  },
  "luminance": 0.0158
}

Semantic roles & 50–950 ramp

primary

#40130B

secondary

#2A707D

accent

#D2ED3A

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #40130B

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

Preview Lab → · Contrast checker → · Palette generator →