#2B030B#2B030B

#2B030B is a very dark, moderate red. Relative luminance 0.006; OKLCH L 19.1% C 0.067 H 13.1°. Best body text is #FFFFFF at 18.74:1 contrast (WCAG AA passes).

Color values

HEX#2B030B
RGBrgb(43, 3, 11)
HSLhsl(348, 87%, 9%)
HSVhsv(348, 93%, 17%)
CMYKcmyk(0%, 93%, 74.4%, 83.1%)
CIE-LABlab(5.45, 20.29, 4.02)
CIE-LCHlch(5.45, 20.68, 11.21°)
OKLaboklab(19.06% 0.0654 0.0152)
OKLCHoklch(19.06% 0.067 13.1)
XYZxyz(1.0893, 0.6030, 0.3756)
Luminance0.0060 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B030B #032B23
analogous
#2B031F #2B030B #2B0F03
triadic
#2B030B #0B2B03 #030B2B
tetradic
#2B030B #1F2B03 #032B23 #0F032B
square
#2B030B #1F2B03 #032B23 #0F032B
split-complementary
#2B030B #032B0F #031F2B
monochromatic
#1D0207 #1D0207 #2B030B #64071A #9D0B28

Accessibility & contrast

On white

18.74
#2B030B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.12
#2B030B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B030B
18.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B030B#FFFFFF#000000##FFFFFF
##2B030B1.0018.741.1218.74
#FFFFFF18.741.0021.001.00
#0000001.1221.001.0021.00
##FFFFFF18.741.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0D0C0B
Deuteranopia (green-blind)
#18150A
Tritanopia (blue-blind)
#300006
Achromatopsia (no color)
#121212

Design tokens & code

CSS
--color: #2b030b;
/* rgb */ color: rgb(43, 3, 11);
/* oklch */ color: oklch(19.1% 0.067 13.1);
Tailwind
colors: {
  custom: {
    50: '#67474c',
    500: '#2b030b',
    950: '#000000',
  },
}
SCSS
$custom: #2b030b;
$custom-light: #67474c;
$custom-dark: #000000;
JSON
{
  "hex": "#2b030b",
  "rgb": {
    "r": 43,
    "g": 3,
    "b": 11
  },
  "hsl": {
    "h": 348,
    "s": 86.957,
    "l": 9.02
  },
  "oklch": {
    "l": 0.19058,
    "c": 0.06719,
    "h": 13.1
  },
  "luminance": 0.00603
}

Semantic roles & 50–950 ramp

primary
#2B030B
secondary
#1B6F5E
accent
#FDD32B
background
#F6F4F4
surface
#EBE6E7
border
#C6C2C3
text
#060001
muted
#7A7777

Preview Lab

Preview with #2B030B

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

Preview Lab → · Contrast checker → · Palette generator →

#2B030B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva