#B43823#B43823

#B43823 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.1% C 0.164 H 32.1°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX#B43823
RGBrgb(180, 56, 35)
HSLhsl(9, 67%, 42%)
HSVhsv(9, 81%, 71%)
CMYKcmyk(0%, 68.9%, 80.6%, 29.4%)
CIE-LABlab(42.24, 49.02, 40.34)
CIE-LCHlch(42.24, 63.49, 39.45°)
OKLaboklab(52.08% 0.1388 0.0871)
OKLCHoklch(52.08% 0.164 32.1)
XYZxyz(20.5423, 12.6561, 2.9510)
Luminance0.1265 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B43823 #239FB4
analogous
#B42356 #B43823 #B48123
triadic
#B43823 #23B438 #3823B4
tetradic
#B43823 #56B423 #239FB4 #8123B4
square
#B43823 #56B423 #239FB4 #8123B4
split-complementary
#B43823 #23B481 #2356B4
monochromatic
#4E180F #812819 #B43823 #D9523B #E37F6E

Accessibility & contrast

On white

5.95
#B43823 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.53
#B43823 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43823
5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B43823#FFFFFF#000000##FFFFFF
##B438231.005.953.535.95
#FFFFFF5.951.0021.001.00
#0000003.5321.001.0021.00
##FFFFFF5.951.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5C521F
Deuteranopia (green-blind)
#7B6E1D
Tritanopia (blue-blind)
#C60B34
Achromatopsia (no color)
#646464

Design tokens & code

CSS
--color: #b43823;
/* rgb */ color: rgb(180, 56, 35);
/* oklch */ color: oklch(52.1% 0.164 32.1);
Tailwind
colors: {
  custom: {
    50: '#d37660',
    500: '#b43823',
    950: '#000000',
  },
}
SCSS
$custom: #b43823;
$custom-light: #d37660;
$custom-dark: #000000;
JSON
{
  "hex": "#b43823",
  "rgb": {
    "r": 180,
    "g": 56,
    "b": 35
  },
  "hsl": {
    "h": 8.69,
    "s": 67.442,
    "l": 42.157
  },
  "oklch": {
    "l": 0.5208,
    "c": 0.16386,
    "h": 32.1
  },
  "luminance": 0.12653
}

Semantic roles & 50–950 ramp

primary
#B43823
secondary
#69BBC9
accent
#D1EA3D
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160905
muted
#847B79

Preview Lab

Preview with #B43823

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

Preview Lab → · Contrast checker → · Palette generator →

#B43823 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva