#37050A#37050A

#37050A is a very dark, moderate red. Relative luminance 0.009; OKLCH L 22.1% C 0.078 H 20.7°. Best body text is #FFFFFF at 17.67:1 contrast (WCAG AA passes).

Color values

HEX#37050A
RGBrgb(55, 5, 10)
HSLhsl(354, 83%, 12%)
HSVhsv(354, 91%, 22%)
CMYKcmyk(0%, 90.9%, 81.8%, 78.4%)
CIE-LABlab(8.51, 24.74, 9.23)
CIE-LCHlch(8.51, 26.40, 20.45°)
OKLaboklab(22.09% 0.0728 0.0276)
OKLCHoklch(22.09% 0.078 20.7)
XYZxyz(1.6848, 0.9429, 0.3804)
Luminance0.0094 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37050A #053732
analogous
#370523 #37050A #371905
triadic
#37050A #0A3705 #050A37
tetradic
#37050A #233705 #053732 #190537
square
#37050A #233705 #053732 #190537
split-complementary
#37050A #053719 #052337
monochromatic
#1C0305 #1C0305 #37050A #6F0A14 #A70F1E

Accessibility & contrast

On white

17.67
#37050A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.19
#37050A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37050A
17.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37050A#FFFFFF#000000##FFFFFF
##37050A1.0017.671.1917.67
#FFFFFF17.671.0021.001.00
#0000001.1921.001.0021.00
##FFFFFF17.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#14120A
Deuteranopia (green-blind)
#201C08
Tritanopia (blue-blind)
#3D0007
Achromatopsia (no color)
#191919

Design tokens & code

CSS
--color: #37050a;
/* rgb */ color: rgb(55, 5, 10);
/* oklch */ color: oklch(22.1% 0.078 20.7);
Tailwind
colors: {
  custom: {
    50: '#724a4b',
    500: '#37050a',
    950: '#000000',
  },
}
SCSS
$custom: #37050a;
$custom-light: #724a4b;
$custom-dark: #000000;
JSON
{
  "hex": "#37050a",
  "rgb": {
    "r": 55,
    "g": 5,
    "b": 10
  },
  "hsl": {
    "h": 354,
    "s": 83.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.2209,
    "c": 0.07785,
    "h": 20.7
  },
  "luminance": 0.00943
}

Semantic roles & 50–950 ramp

primary
#37050A
secondary
#20786F
accent
#FAE52E
background
#F7F4F4
surface
#EDE7E7
border
#C8C3C3
text
#080101
muted
#7B7777

Preview Lab

Preview with #37050A

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

Preview Lab → · Contrast checker → · Palette generator →

#37050A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva