#B13923#B13923

#B13923 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.7% C 0.160 H 32.6°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX#B13923
RGBrgb(177, 57, 35)
HSLhsl(9, 67%, 42%)
HSVhsv(9, 80%, 69%)
CMYKcmyk(0%, 67.8%, 80.2%, 30.6%)
CIE-LABlab(41.84, 47.58, 39.76)
CIE-LCHlch(41.84, 62.01, 39.88°)
OKLaboklab(51.68% 0.1346 0.0861)
OKLCHoklch(51.68% 0.16 32.6)
XYZxyz(19.9002, 12.3977, 2.9349)
Luminance0.1240 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B13923 #239BB1
analogous
#B12354 #B13923 #B18023
triadic
#B13923 #23B139 #3923B1
tetradic
#B13923 #54B123 #239BB1 #8023B1
square
#B13923 #54B123 #239BB1 #8023B1
split-complementary
#B13923 #23B180 #2354B1
monochromatic
#4B180F #7E2919 #B13923 #D85239 #E27F6C

Accessibility & contrast

On white

6.04
#B13923 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.48
#B13923 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13923
6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B13923#FFFFFF#000000##FFFFFF
##B139231.006.043.486.04
#FFFFFF6.041.0021.001.00
#0000003.4821.001.0021.00
##FFFFFF6.041.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5C521F
Deuteranopia (green-blind)
#796D1E
Tritanopia (blue-blind)
#C31235
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #b13923;
/* rgb */ color: rgb(177, 57, 35);
/* oklch */ color: oklch(51.7% 0.160 32.6);
Tailwind
colors: {
  custom: {
    50: '#d17660',
    500: '#b13923',
    950: '#000000',
  },
}
SCSS
$custom: #b13923;
$custom-light: #d17660;
$custom-dark: #000000;
JSON
{
  "hex": "#b13923",
  "rgb": {
    "r": 177,
    "g": 57,
    "b": 35
  },
  "hsl": {
    "h": 9.296,
    "s": 66.981,
    "l": 41.569
  },
  "oklch": {
    "l": 0.51679,
    "c": 0.15979,
    "h": 32.6
  },
  "luminance": 0.12395
}

Semantic roles & 50–950 ramp

primary
#B13923
secondary
#68B9C8
accent
#CFEA3E
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160905
muted
#847B79

Preview Lab

Preview with #B13923

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

Preview Lab → · Contrast checker → · Palette generator →

#B13923 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva