#B03523#B03523

#B03523 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.1% C 0.162 H 31.3°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX#B03523
RGBrgb(176, 53, 35)
HSLhsl(8, 67%, 41%)
HSVhsv(8, 80%, 69%)
CMYKcmyk(0%, 69.9%, 80.1%, 31%)
CIE-LABlab(41.06, 48.87, 38.92)
CIE-LCHlch(41.06, 62.47, 38.53°)
OKLaboklab(51.06% 0.1387 0.0844)
OKLCHoklch(51.06% 0.162 31.3)
XYZxyz(19.4832, 11.9006, 2.8609)
Luminance0.1190 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B03523 #239EB0
analogous
#B02357 #B03523 #B07C23
triadic
#B03523 #23B035 #3523B0
tetradic
#B03523 #57B023 #239EB0 #7C23B0
square
#B03523 #57B023 #239EB0 #7C23B0
split-complementary
#B03523 #23B07C #2357B0
monochromatic
#4A160F #7D2619 #B03523 #D84D39 #E27B6C

Accessibility & contrast

On white

6.21
#B03523 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.38
#B03523 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03523
6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B03523#FFFFFF#000000##FFFFFF
##B035231.006.213.386.21
#FFFFFF6.211.0021.001.00
#0000003.3821.001.0021.00
##FFFFFF6.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#595020
Deuteranopia (green-blind)
#786B1E
Tritanopia (blue-blind)
#C20532
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #b03523;
/* rgb */ color: rgb(176, 53, 35);
/* oklch */ color: oklch(51.1% 0.162 31.3);
Tailwind
colors: {
  custom: {
    50: '#d0745f',
    500: '#b03523',
    950: '#000000',
  },
}
SCSS
$custom: #b03523;
$custom-light: #d0745f;
$custom-dark: #000000;
JSON
{
  "hex": "#b03523",
  "rgb": {
    "r": 176,
    "g": 53,
    "b": 35
  },
  "hsl": {
    "h": 7.66,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.51057,
    "c": 0.16236,
    "h": 31.3
  },
  "luminance": 0.11898
}

Semantic roles & 50–950 ramp

primary
#B03523
secondary
#67BBC8
accent
#D4EA3E
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160905
muted
#847B79

Preview Lab

Preview with #B03523

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

Preview Lab → · Contrast checker → · Palette generator →

#B03523 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva