#B1553D#B1553D

#B1553D is a mid, vivid red. Relative luminance 0.162; OKLCH L 55.8% C 0.126 H 35.7°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX#B1553D
RGBrgb(177, 85, 61)
HSLhsl(12, 49%, 47%)
HSVhsv(12, 66%, 69%)
CMYKcmyk(0%, 52%, 65.5%, 30.6%)
CIE-LABlab(47.21, 35.56, 31.36)
CIE-LCHlch(47.21, 47.41, 41.41°)
OKLaboklab(55.84% 0.1023 0.0734)
OKLCHoklch(55.84% 0.126 35.7)
XYZxyz(22.2242, 16.1837, 6.3674)
Luminance0.1618 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1553D #3D99B1
analogous
#B13D5F #B1553D #B18F3D
triadic
#B1553D #3DB155 #553DB1
tetradic
#B1553D #5FB13D #3D99B1 #8F3DB1
square
#B1553D #5FB13D #3D99B1 #8F3DB1
split-complementary
#B1553D #3DB18F #3D5FB1
monochromatic
#56291E #833F2D #B1553D #C97762 #D99F90

Accessibility & contrast

On white

4.96
#B1553D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.24
#B1553D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1553D
4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1553D#FFFFFF#000000##FFFFFF
##B1553D1.004.964.244.96
#FFFFFF4.961.0021.001.00
#0000004.2421.001.0021.00
##FFFFFF4.961.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6D643A
Deuteranopia (green-blind)
#84783B
Tritanopia (blue-blind)
#C2444F
Achromatopsia (no color)
#707070

Design tokens & code

CSS
--color: #b1553d;
/* rgb */ color: rgb(177, 85, 61);
/* oklch */ color: oklch(55.8% 0.126 35.7);
Tailwind
colors: {
  custom: {
    50: '#ce8773',
    500: '#b1553d',
    950: '#000000',
  },
}
SCSS
$custom: #b1553d;
$custom-light: #ce8773;
$custom-dark: #000000;
JSON
{
  "hex": "#b1553d",
  "rgb": {
    "r": 177,
    "g": 85,
    "b": 61
  },
  "hsl": {
    "h": 12.414,
    "s": 48.739,
    "l": 46.667
  },
  "oklch": {
    "l": 0.55839,
    "c": 0.12593,
    "h": 35.7
  },
  "luminance": 0.16181
}

Semantic roles & 50–950 ramp

primary
#B1553D
secondary
#86B7C4
accent
#BCD850
background
#FDF8F7
surface
#FAF0ED
border
#D3CBC8
text
#150B08
muted
#837C7B

Preview Lab

Preview with #B1553D

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

Preview Lab → · Contrast checker → · Palette generator →

#B1553D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva