#36040B#36040B

#36040B is a very dark, moderate red. Relative luminance 0.009; OKLCH L 21.7% C 0.078 H 18.6°. Best body text is #FFFFFF at 17.81:1 contrast (WCAG AA passes).

Color values

HEX	#36040B
RGB	rgb(54, 4, 11)
HSL	hsl(352, 86%, 11%)
HSV	hsv(352, 93%, 21%)
CMYK	cmyk(0%, 92.6%, 79.6%, 78.8%)
CIE-LAB	lab(8.09, 24.98, 8.17)
CIE-LCH	lch(8.09, 26.29, 18.11°)
OKLab	oklab(21.74% 0.074 0.0249)
OKLCH	oklch(21.74% 0.078 18.6)
XYZ	xyz(1.6253, 0.8955, 0.4038)
Luminance	0.0089 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#36040B #04362F

analogous

#360424 #36040B #361604

triadic

#36040B #0B3604 #040B36

tetradic

#36040B #243604 #04362F #160436

square

#36040B #243604 #04362F #160436

split-complementary

#36040B #043616 #042436

monochromatic

#1C0206 #1C0206 #36040B #6F0817 #A80C22

Accessibility & contrast

On white

17.81

#36040B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#36040B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #36040B

17.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##36040B	#FFFFFF	#000000	##FFFFFF
##36040B	1.00	17.81	1.18	17.81
#FFFFFF	17.81	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12110B

Deuteranopia (green-blind)

#1F1C09

Tritanopia (blue-blind)

#3C0007

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #36040b;
/* rgb */ color: rgb(54, 4, 11);
/* oklch */ color: oklch(21.7% 0.078 18.6);

Tailwind

colors: {
  custom: {
    50: '#71494b',
    500: '#36040b',
    950: '#000000',
  },
}

SCSS

$custom: #36040b;
$custom-light: #71494b;
$custom-dark: #000000;

JSON

{
  "hex": "#36040b",
  "rgb": {
    "r": 54,
    "g": 4,
    "b": 11
  },
  "hsl": {
    "h": 351.6,
    "s": 86.207,
    "l": 11.373
  },
  "oklch": {
    "l": 0.21743,
    "c": 0.0781,
    "h": 18.6
  },
  "luminance": 0.00895
}

Semantic roles & 50–950 ramp

primary

#36040B

secondary

#1E786B

accent

#FCDF2B

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #36040B

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

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