#B64531#B64531

#B64531 is a mid, vivid red. Relative luminance 0.144; OKLCH L 54.1% C 0.151 H 32.2°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX#B64531
RGBrgb(182, 69, 49)
HSLhsl(9, 58%, 45%)
HSVhsv(9, 73%, 71%)
CMYKcmyk(0%, 62.1%, 73.1%, 28.6%)
CIE-LABlab(44.84, 44.65, 35.58)
CIE-LCHlch(44.84, 57.09, 38.55°)
OKLaboklab(54.15% 0.1277 0.0804)
OKLCHoklch(54.15% 0.151 32.2)
XYZxyz(21.9762, 14.4261, 4.5324)
Luminance0.1442 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B64531 #31A2B6
analogous
#B6315F #B64531 #B68831
triadic
#B64531 #31B645 #4531B6
tetradic
#B64531 #5FB631 #31A2B6 #8831B6
square
#B64531 #5FB631 #31A2B6 #8831B6
split-complementary
#B64531 #31B688 #315FB6
monochromatic
#562017 #863324 #B64531 #D16653 #DE9184

Accessibility & contrast

On white

5.41
#B64531 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.88
#B64531 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B64531
5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B64531#FFFFFF#000000##FFFFFF
##B645311.005.413.885.41
#FFFFFF5.411.0021.001.00
#0000003.8821.001.0021.00
##FFFFFF5.411.0021.001.00

Color blindness preview

Protanopia (red-blind)
#645A2E
Deuteranopia (green-blind)
#80732E
Tritanopia (blue-blind)
#C82A41
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #b64531;
/* rgb */ color: rgb(182, 69, 49);
/* oklch */ color: oklch(54.1% 0.151 32.2);
Tailwind
colors: {
  custom: {
    50: '#d37d6a',
    500: '#b64531',
    950: '#000000',
  },
}
SCSS
$custom: #b64531;
$custom-light: #d37d6a;
$custom-dark: #000000;
JSON
{
  "hex": "#b64531",
  "rgb": {
    "r": 182,
    "g": 69,
    "b": 49
  },
  "hsl": {
    "h": 9.023,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.54146,
    "c": 0.15089,
    "h": 32.2
  },
  "luminance": 0.14423
}

Semantic roles & 50–950 ramp

primary
#B64531
secondary
#7CBCC7
accent
#CAE147
background
#FEF7F6
surface
#FCEEEB
border
#D5C9C6
text
#160A06
muted
#847C7A

Preview Lab

Preview with #B64531

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

Preview Lab → · Contrast checker → · Palette generator →

#B64531 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva