#B13644#B13644

#B13644 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.8% C 0.158 H 18.3°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX#B13644
RGBrgb(177, 54, 68)
HSLhsl(353, 53%, 45%)
HSVhsv(353, 69%, 69%)
CMYKcmyk(0%, 69.5%, 61.6%, 30.6%)
CIE-LABlab(41.85, 50.46, 20.46)
CIE-LCHlch(41.85, 54.46, 22.07°)
OKLaboklab(51.84% 0.1504 0.0497)
OKLCHoklch(51.84% 0.158 18.3)
XYZxyz(20.4960, 12.4057, 6.7830)
Luminance0.1240 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B13644 #36B1A3
analogous
#B13681 #B13644 #B16636
triadic
#B13644 #44B136 #3644B1
tetradic
#B13644 #81B136 #36B1A3 #6636B1
square
#B13644 #81B136 #36B1A3 #6636B1
split-complementary
#B13644 #36B166 #3681B1
monochromatic
#531920 #822832 #B13644 #CC5865 #DA8790

Accessibility & contrast

On white

6.03
#B13644 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.48
#B13644 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13644
6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B13644#FFFFFF#000000##FFFFFF
##B136441.006.033.486.03
#FFFFFF6.031.0021.001.00
#0000003.4821.001.0021.00
##FFFFFF6.031.0021.001.00

Color blindness preview

Protanopia (red-blind)
#565244
Deuteranopia (green-blind)
#766C41
Tritanopia (blue-blind)
#C2173C
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #b13644;
/* rgb */ color: rgb(177, 54, 68);
/* oklch */ color: oklch(51.8% 0.158 18.3);
Tailwind
colors: {
  custom: {
    50: '#cf7577',
    500: '#b13644',
    950: '#000000',
  },
}
SCSS
$custom: #b13644;
$custom-light: #cf7577;
$custom-dark: #000000;
JSON
{
  "hex": "#b13644",
  "rgb": {
    "r": 177,
    "g": 54,
    "b": 68
  },
  "hsl": {
    "h": 353.171,
    "s": 53.247,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51836,
    "c": 0.15837,
    "h": 18.3
  },
  "luminance": 0.12403
}

Semantic roles & 50–950 ramp

primary
#B13644
secondary
#7FC4BC
accent
#DDCC4B
background
#FDF7F7
surface
#FBEDED
border
#D4C8C8
text
#150908
muted
#837B7B

Preview Lab

Preview with #B13644

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

Preview Lab → · Contrast checker → · Palette generator →

#B13644 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva