#370506#370506

#370506 is a very dark, moderate red. Relative luminance 0.009; OKLCH L 22.0% C 0.078 H 25.4°. Best body text is #FFFFFF at 17.69:1 contrast (WCAG AA passes).

Color values

HEX	#370506
RGB	rgb(55, 5, 6)
HSL	hsl(359, 83%, 12%)
HSV	hsv(359, 91%, 22%)
CMYK	cmyk(0%, 90.9%, 89.1%, 78.4%)
CIE-LAB	lab(8.43, 24.50, 10.75)
CIE-LCH	lch(8.43, 26.75, 23.69°)
OKLab	oklab(22.01% 0.0708 0.0336)
OKLCH	oklch(22.01% 0.078 25.4)
XYZ	xyz(1.6629, 0.9342, 0.2650)
Luminance	0.0093 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370506 #053736

analogous

#37051F #370506 #371D05

triadic

#370506 #063705 #050637

tetradic

#370506 #1F3705 #053736 #1D0537

square

#370506 #1F3705 #053736 #1D0537

split-complementary

#370506 #05371D #051F37

monochromatic

#1C0303 #1C0303 #370506 #6F0A0C #A70F12

Accessibility & contrast

On white

17.69

#370506 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#370506 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370506

17.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370506	#FFFFFF	#000000	##FFFFFF
##370506	1.00	17.69	1.19	17.69
#FFFFFF	17.69	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141106

Deuteranopia (green-blind)

#211C05

Tritanopia (blue-blind)

#3E0006

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #370506;
/* rgb */ color: rgb(55, 5, 6);
/* oklch */ color: oklch(22.0% 0.078 25.4);

Tailwind

colors: {
  custom: {
    50: '#724a49',
    500: '#370506',
    950: '#000000',
  },
}

SCSS

$custom: #370506;
$custom-light: #724a49;
$custom-dark: #000000;

JSON

{
  "hex": "#370506",
  "rgb": {
    "r": 55,
    "g": 5,
    "b": 6
  },
  "hsl": {
    "h": 358.8,
    "s": 83.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.22009,
    "c": 0.07833,
    "h": 25.4
  },
  "luminance": 0.00934
}

Semantic roles & 50–950 ramp

primary

#370506

secondary

#207876

accent

#FAF62E

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#090100

muted

#7B7777

Preview Lab

Preview with #370506

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

Preview Lab → · Contrast checker → · Palette generator →