#3B0308#3B0308

#3B0308 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.7% C 0.085 H 22.3°. Best body text is #FFFFFF at 17.47:1 contrast (WCAG AA passes).

Color values

HEX#3B0308
RGBrgb(59, 3, 8)
HSLhsl(355, 90%, 12%)
HSVhsv(355, 95%, 23%)
CMYKcmyk(0%, 94.9%, 86.4%, 76.9%)
CIE-LABlab(9.10, 27.05, 11.02)
CIE-LCHlch(9.10, 29.21, 22.17°)
OKLaboklab(22.69% 0.0789 0.0323)
OKLCHoklch(22.69% 0.085 22.3)
XYZxyz(1.8803, 1.0128, 0.3262)
Luminance0.0101 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B0308 #033B36
analogous
#3B0324 #3B0308 #3B1A03
triadic
#3B0308 #083B03 #03083B
tetradic
#3B0308 #243B03 #033B36 #1A033B
square
#3B0308 #243B03 #033B36 #1A033B
split-complementary
#3B0308 #033B1A #03243B
monochromatic
#1D0104 #1D0104 #3B0308 #750610 #AF0918

Accessibility & contrast

On white

17.47
#3B0308 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.20
#3B0308 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B0308
17.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B0308#FFFFFF#000000##FFFFFF
##3B03081.0017.471.2017.47
#FFFFFF17.471.0021.001.00
#0000001.2021.001.0021.00
##FFFFFF17.471.0021.001.00

Color blindness preview

Protanopia (red-blind)
#141208
Deuteranopia (green-blind)
#221E06
Tritanopia (blue-blind)
#420005
Achromatopsia (no color)
#1A1A1A

Design tokens & code

CSS
--color: #3b0308;
/* rgb */ color: rgb(59, 3, 8);
/* oklch */ color: oklch(22.7% 0.085 22.3);
Tailwind
colors: {
  custom: {
    50: '#764a4a',
    500: '#3b0308',
    950: '#000000',
  },
}
SCSS
$custom: #3b0308;
$custom-light: #764a4a;
$custom-dark: #000000;
JSON
{
  "hex": "#3b0308",
  "rgb": {
    "r": 59,
    "g": 3,
    "b": 8
  },
  "hsl": {
    "h": 354.643,
    "s": 90.323,
    "l": 12.157
  },
  "oklch": {
    "l": 0.2269,
    "c": 0.08528,
    "h": 22.3
  },
  "luminance": 0.01012
}

Semantic roles & 50–950 ramp

primary
#3B0308
secondary
#1C7E75
accent
#FFEC29
background
#F7F4F4
surface
#EEE7E7
border
#C9C3C3
text
#090101
muted
#7B7777

Preview Lab

Preview with #3B0308

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

Preview Lab → · Contrast checker → · Palette generator →

#3B0308 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva