#B83A39#B83A39

#B83A39 is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.3% C 0.163 H 24.9°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX#B83A39
RGBrgb(184, 58, 57)
HSLhsl(0, 53%, 47%)
HSVhsv(0, 69%, 72%)
CMYKcmyk(0%, 68.5%, 69%, 27.8%)
CIE-LABlab(43.53, 50.50, 29.52)
CIE-LCHlch(43.53, 58.50, 30.31°)
OKLaboklab(53.26% 0.1474 0.0685)
OKLCHoklch(53.26% 0.163 24.9)
XYZxyz(22.0211, 13.5151, 5.3192)
Luminance0.1351 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B83A39 #39B7B8
analogous
#B83978 #B83A39 #B87939
triadic
#B83A39 #39B83A #3A39B8
tetradic
#B83A39 #78B839 #39B7B8 #7939B8
square
#B83A39 #78B839 #39B7B8 #7939B8
split-complementary
#B83A39 #39B879 #3978B8
monochromatic
#5B1D1C #892B2B #B83A39 #CE6160 #DC908F

Accessibility & contrast

On white

5.67
#B83A39 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.70
#B83A39 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83A39
5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B83A39#FFFFFF#000000##FFFFFF
##B83A391.005.673.705.67
#FFFFFF5.671.0021.001.00
#0000003.7021.001.0021.00
##FFFFFF5.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5D5638
Deuteranopia (green-blind)
#7C7135
Tritanopia (blue-blind)
#CA163B
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #b83a39;
/* rgb */ color: rgb(184, 58, 57);
/* oklch */ color: oklch(53.3% 0.163 24.9);
Tailwind
colors: {
  custom: {
    50: '#d5786f',
    500: '#b83a39',
    950: '#000000',
  },
}
SCSS
$custom: #b83a39;
$custom-light: #d5786f;
$custom-dark: #000000;
JSON
{
  "hex": "#b83a39",
  "rgb": {
    "r": 184,
    "g": 58,
    "b": 57
  },
  "hsl": {
    "h": 0.472,
    "s": 52.697,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53263,
    "c": 0.16257,
    "h": 24.9
  },
  "luminance": 0.13512
}

Semantic roles & 50–950 ramp

primary
#B83A39
secondary
#86C7C7
accent
#DBDC4C
background
#FEF7F6
surface
#FCEEEC
border
#D5C9C7
text
#160907
muted
#847B7A

Preview Lab

Preview with #B83A39

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

Preview Lab → · Contrast checker → · Palette generator →

#B83A39 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva