#B4361A#B4361A

#B4361A is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.8% C 0.167 H 33.8°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX#B4361A
RGBrgb(180, 54, 26)
HSLhsl(11, 75%, 40%)
HSVhsv(11, 86%, 71%)
CMYKcmyk(0%, 70%, 85.6%, 29.4%)
CIE-LABlab(41.87, 49.56, 44.47)
CIE-LCHlch(41.87, 66.59, 41.90°)
OKLaboklab(51.78% 0.1389 0.093)
OKLCHoklch(51.78% 0.167 33.8)
XYZxyz(20.3304, 12.4193, 2.3038)
Luminance0.1242 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B4361A #1A98B4
analogous
#B41A4B #B4361A #B4831A
triadic
#B4361A #1AB436 #361AB4
tetradic
#B4361A #4BB41A #1A98B4 #831AB4
square
#B4361A #4BB41A #1A98B4 #831AB4
split-complementary
#B4361A #1AB483 #1A4BB4
monochromatic
#49160B #7F2612 #B4361A #E04C2B #E87960

Accessibility & contrast

On white

6.03
#B4361A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.48
#B4361A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4361A
6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B4361A#FFFFFF#000000##FFFFFF
##B4361A1.006.033.486.03
#FFFFFF6.031.0021.001.00
#0000003.4821.001.0021.00
##FFFFFF6.031.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5C5115
Deuteranopia (green-blind)
#7B6D12
Tritanopia (blue-blind)
#C70031
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #b4361a;
/* rgb */ color: rgb(180, 54, 26);
/* oklch */ color: oklch(51.8% 0.167 33.8);
Tailwind
colors: {
  custom: {
    50: '#d4755a',
    500: '#b4361a',
    950: '#000000',
  },
}
SCSS
$custom: #b4361a;
$custom-light: #d4755a;
$custom-dark: #000000;
JSON
{
  "hex": "#b4361a",
  "rgb": {
    "r": 180,
    "g": 54,
    "b": 26
  },
  "hsl": {
    "h": 10.909,
    "s": 74.757,
    "l": 40.392
  },
  "oklch": {
    "l": 0.51783,
    "c": 0.16713,
    "h": 33.8
  },
  "luminance": 0.12416
}

Semantic roles & 50–950 ramp

primary
#B4361A
secondary
#5DB8CC
accent
#CFF136
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160904
muted
#847B79

Preview Lab

Preview with #B4361A

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

Preview Lab → · Contrast checker → · Palette generator →

#B4361A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva