#4B0B1A#4B0B1A

#4B0B1A is a dark, moderate red. Relative luminance 0.018; OKLCH L 27.5% C 0.094 H 13.0°. Best body text is #FFFFFF at 15.42:1 contrast (WCAG AA passes).

Color values

HEX#4B0B1A
RGBrgb(75, 11, 26)
HSLhsl(346, 74%, 17%)
HSVhsv(346, 85%, 29%)
CMYKcmyk(0%, 85.3%, 65.3%, 70.6%)
CIE-LABlab(14.46, 30.30, 8.54)
CIE-LCHlch(14.46, 31.48, 15.74°)
OKLaboklab(27.45% 0.0913 0.0211)
OKLCHoklch(27.45% 0.094 13)
XYZxyz(3.2081, 1.8103, 1.1576)
Luminance0.0181 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4B0B1A #0B4B3C
analogous
#4B0B3A #4B0B1A #4B1C0B
triadic
#4B0B1A #1A4B0B #0B1A4B
tetradic
#4B0B1A #3A4B0B #0B4B3C #1C0B4B
square
#4B0B1A #3A4B0B #0B4B3C #1C0B4B
split-complementary
#4B0B1A #0B4B1C #0B3A4B
monochromatic
#1B0409 #1B0409 #4B0B1A #80132D #B61B3F

Accessibility & contrast

On white

15.42
#4B0B1A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.36
#4B0B1A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B0B1A
15.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4B0B1A#FFFFFF#000000##FFFFFF
##4B0B1A1.0015.421.3615.42
#FFFFFF15.421.0021.001.00
#0000001.3621.001.0021.00
##FFFFFF15.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1D1C1A
Deuteranopia (green-blind)
#2D2918
Tritanopia (blue-blind)
#530011
Achromatopsia (no color)
#252525

Design tokens & code

CSS
--color: #4b0b1a;
/* rgb */ color: rgb(75, 11, 26);
/* oklch */ color: oklch(27.5% 0.094 13.0);
Tailwind
colors: {
  custom: {
    50: '#825156',
    500: '#4b0b1a',
    950: '#000000',
  },
}
SCSS
$custom: #4b0b1a;
$custom-light: #825156;
$custom-dark: #000000;
JSON
{
  "hex": "#4b0b1a",
  "rgb": {
    "r": 75,
    "g": 11,
    "b": 26
  },
  "hsl": {
    "h": 345.938,
    "s": 74.419,
    "l": 16.863
  },
  "oklch": {
    "l": 0.2745,
    "c": 0.09374,
    "h": 13
  },
  "luminance": 0.0181
}

Semantic roles & 50–950 ramp

primary
#4B0B1A
secondary
#2B8772
accent
#F1C537
background
#F8F4F5
surface
#EFE7E8
border
#CAC3C4
text
#0B0203
muted
#7C7878

Preview Lab

Preview with #4B0B1A

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

Preview Lab → · Contrast checker → · Palette generator →

#4B0B1A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva