#370E09#370E09

#370E09 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.3% C 0.067 H 29.9°. Best body text is #FFFFFF at 17.08:1 contrast (WCAG AA passes).

Color values

HEX#370E09
RGBrgb(55, 14, 9)
HSLhsl(7, 72%, 13%)
HSVhsv(7, 84%, 22%)
CMYKcmyk(0%, 74.5%, 83.6%, 78.4%)
CIE-LABlab(10.16, 20.09, 11.99)
CIE-LCHlch(10.16, 23.40, 30.83°)
OKLaboklab(23.32% 0.0578 0.0333)
OKLCHoklch(23.32% 0.067 29.9)
XYZxyz(1.7821, 1.1463, 0.3858)
Luminance0.0115 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#370E09 #093237
analogous
#37091B #370E09 #372509
triadic
#370E09 #09370E #0E0937
tetradic
#370E09 #1B3709 #093237 #250937
square
#370E09 #1B3709 #093237 #250937
split-complementary
#370E09 #093725 #091B37
monochromatic
#1A0704 #1A0704 #370E09 #6C1B12 #A0291A

Accessibility & contrast

On white

17.08
#370E09 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.23
#370E09 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370E09
17.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##370E09#FFFFFF#000000##FFFFFF
##370E091.0017.081.2317.08
#FFFFFF17.081.0021.001.00
#0000001.2321.001.0021.00
##FFFFFF17.081.0021.001.00

Color blindness preview

Protanopia (red-blind)
#191608
Deuteranopia (green-blind)
#231F08
Tritanopia (blue-blind)
#3D050D
Achromatopsia (no color)
#1C1C1C

Design tokens & code

CSS
--color: #370e09;
/* rgb */ color: rgb(55, 14, 9);
/* oklch */ color: oklch(23.3% 0.067 29.9);
Tailwind
colors: {
  custom: {
    50: '#724f4a',
    500: '#370e09',
    950: '#000000',
  },
}
SCSS
$custom: #370e09;
$custom-light: #724f4a;
$custom-dark: #000000;
JSON
{
  "hex": "#370e09",
  "rgb": {
    "r": 55,
    "g": 14,
    "b": 9
  },
  "hsl": {
    "h": 6.522,
    "s": 71.875,
    "l": 12.549
  },
  "oklch": {
    "l": 0.23315,
    "c": 0.06673,
    "h": 29.9
  },
  "luminance": 0.01146
}

Semantic roles & 50–950 ramp

primary
#370E09
secondary
#276D75
accent
#DBEF39
background
#F7F4F4
surface
#EDE7E7
border
#C8C3C3
text
#080201
muted
#7B7877

Preview Lab

Preview with #370E09

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

Preview Lab → · Contrast checker → · Palette generator →

#370E09 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva