#371009#371009

#371009 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.6% C 0.064 H 32.3°. Best body text is #FFFFFF at 16.93:1 contrast (WCAG AA passes).

Color values

HEX	#371009
RGB	rgb(55, 16, 9)
HSL	hsl(9, 72%, 13%)
HSV	hsv(9, 84%, 22%)
CMYK	cmyk(0%, 70.9%, 83.6%, 78.4%)
CIE-LAB	lab(10.58, 18.97, 12.59)
CIE-LCH	lch(10.58, 22.76, 33.56°)
OKLab	oklab(23.63% 0.0543 0.0343)
OKLCH	oklch(23.63% 0.064 32.3)
XYZ	xyz(1.8103, 1.2028, 0.3952)
Luminance	0.0120 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371009 #093037

analogous

#370919 #371009 #372709

triadic

#371009 #093710 #100937

tetradic

#371009 #193709 #093037 #270937

square

#371009 #193709 #093037 #270937

split-complementary

#371009 #093727 #091937

monochromatic

#1A0804 #1A0804 #371009 #6C1F12 #A02F1A

Accessibility & contrast

On white

16.93

#371009 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#371009 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371009

16.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371009	#FFFFFF	#000000	##FFFFFF
##371009	1.00	16.93	1.24	16.93
#FFFFFF	16.93	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1708

Deuteranopia (green-blind)

#242008

Tritanopia (blue-blind)

#3D070F

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #371009;
/* rgb */ color: rgb(55, 16, 9);
/* oklch */ color: oklch(23.6% 0.064 32.3);

Tailwind

colors: {
  custom: {
    50: '#71504a',
    500: '#371009',
    950: '#000000',
  },
}

SCSS

$custom: #371009;
$custom-light: #71504a;
$custom-dark: #000000;

JSON

{
  "hex": "#371009",
  "rgb": {
    "r": 55,
    "g": 16,
    "b": 9
  },
  "hsl": {
    "h": 9.13,
    "s": 71.875,
    "l": 12.549
  },
  "oklch": {
    "l": 0.23634,
    "c": 0.06427,
    "h": 32.3
  },
  "luminance": 0.01203
}

Semantic roles & 50–950 ramp

primary

#371009

secondary

#276975

accent

#D3EF39

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080201

muted

#7B7877

Preview Lab

Preview with #371009

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

Preview Lab → · Contrast checker → · Palette generator →