#B1523D#B1523D

#B1523D is a mid, vivid red. Relative luminance 0.157; OKLCH L 55.4% C 0.129 H 33.9°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX#B1523D
RGBrgb(177, 82, 61)
HSLhsl(11, 49%, 47%)
HSVhsv(11, 66%, 69%)
CMYKcmyk(0%, 53.7%, 65.5%, 30.6%)
CIE-LABlab(46.61, 37.11, 30.63)
CIE-LCHlch(46.61, 48.11, 39.54°)
OKLaboklab(55.38% 0.1071 0.0718)
OKLCHoklch(55.38% 0.129 33.9)
XYZxyz(21.9930, 15.7213, 6.2903)
Luminance0.1572 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1523D #3D9CB1
analogous
#B13D62 #B1523D #B18C3D
triadic
#B1523D #3DB152 #523DB1
tetradic
#B1523D #62B13D #3D9CB1 #8C3DB1
square
#B1523D #62B13D #3D9CB1 #8C3DB1
split-complementary
#B1523D #3DB18C #3D62B1
monochromatic
#56281E #833D2D #B1523D #C97562 #D99D90

Accessibility & contrast

On white

5.07
#B1523D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.14
#B1523D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1523D
5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1523D#FFFFFF#000000##FFFFFF
##B1523D1.005.074.145.07
#FFFFFF5.071.0021.001.00
#0000004.1421.001.0021.00
##FFFFFF5.071.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6B623B
Deuteranopia (green-blind)
#82763B
Tritanopia (blue-blind)
#C2404D
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #b1523d;
/* rgb */ color: rgb(177, 82, 61);
/* oklch */ color: oklch(55.4% 0.129 33.9);
Tailwind
colors: {
  custom: {
    50: '#ce8573',
    500: '#b1523d',
    950: '#000000',
  },
}
SCSS
$custom: #b1523d;
$custom-light: #ce8573;
$custom-dark: #000000;
JSON
{
  "hex": "#b1523d",
  "rgb": {
    "r": 177,
    "g": 82,
    "b": 61
  },
  "hsl": {
    "h": 10.862,
    "s": 48.739,
    "l": 46.667
  },
  "oklch": {
    "l": 0.55376,
    "c": 0.12894,
    "h": 33.9
  },
  "luminance": 0.15719
}

Semantic roles & 50–950 ramp

primary
#B1523D
secondary
#86B9C4
accent
#C0D850
background
#FDF8F7
surface
#FAEFED
border
#D3CAC8
text
#150B08
muted
#837C7B

Preview Lab

Preview with #B1523D

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

Preview Lab → · Contrast checker → · Palette generator →

#B1523D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva