#2B0305#2B0305

#2B0305 is a very dark, moderate red. Relative luminance 0.006; OKLCH L 18.9% C 0.067 H 22.9°. Best body text is #FFFFFF at 18.78:1 contrast (WCAG AA passes).

Color values

HEX#2B0305
RGBrgb(43, 3, 5)
HSLhsl(357, 87%, 9%)
HSVhsv(357, 93%, 17%)
CMYKcmyk(0%, 93%, 88.4%, 83.1%)
CIE-LABlab(5.33, 19.65, 6.30)
CIE-LCHlch(5.33, 20.64, 17.77°)
OKLaboklab(18.89% 0.062 0.0262)
OKLCHoklch(18.89% 0.067 22.9)
XYZxyz(1.0563, 0.5898, 0.2018)
Luminance0.0059 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B0305 #032B29
analogous
#2B0319 #2B0305 #2B1503
triadic
#2B0305 #052B03 #03052B
tetradic
#2B0305 #192B03 #032B29 #15032B
square
#2B0305 #192B03 #032B29 #15032B
split-complementary
#2B0305 #032B15 #03192B
monochromatic
#1D0203 #1D0203 #2B0305 #64070C #9D0B12

Accessibility & contrast

On white

18.78
#2B0305 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.12
#2B0305 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B0305
18.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B0305#FFFFFF#000000##FFFFFF
##2B03051.0018.781.1218.78
#FFFFFF18.781.0021.001.00
#0000001.1221.001.0021.00
##FFFFFF18.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0E0C05
Deuteranopia (green-blind)
#181504
Tritanopia (blue-blind)
#300004
Achromatopsia (no color)
#121212

Design tokens & code

CSS
--color: #2b0305;
/* rgb */ color: rgb(43, 3, 5);
/* oklch */ color: oklch(18.9% 0.067 22.9);
Tailwind
colors: {
  custom: {
    50: '#674749',
    500: '#2b0305',
    950: '#000000',
  },
}
SCSS
$custom: #2b0305;
$custom-light: #674749;
$custom-dark: #000000;
JSON
{
  "hex": "#2b0305",
  "rgb": {
    "r": 43,
    "g": 3,
    "b": 5
  },
  "hsl": {
    "h": 357,
    "s": 86.957,
    "l": 9.02
  },
  "oklch": {
    "l": 0.18893,
    "c": 0.06729,
    "h": 22.9
  },
  "luminance": 0.0059
}

Semantic roles & 50–950 ramp

primary
#2B0305
secondary
#1B6F6B
accent
#FDF32B
background
#F6F4F4
surface
#EBE6E6
border
#C6C2C2
text
#060000
muted
#7A7777

Preview Lab

Preview with #2B0305

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

Preview Lab → · Contrast checker → · Palette generator →

#2B0305 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva