#B34740#B34740

#B34740 is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.2% C 0.142 H 26.6°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX#B34740
RGBrgb(179, 71, 64)
HSLhsl(4, 47%, 48%)
HSVhsv(4, 64%, 70%)
CMYKcmyk(0%, 60.3%, 64.2%, 29.8%)
CIE-LABlab(44.89, 43.47, 26.84)
CIE-LCHlch(44.89, 51.09, 31.69°)
OKLaboklab(54.16% 0.1273 0.0637)
OKLCHoklch(54.16% 0.142 26.6)
XYZxyz(21.7711, 14.4632, 6.4947)
Luminance0.1446 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B34740 #40ACB3
analogous
#B34073 #B34740 #B38040
triadic
#B34740 #40B347 #4740B3
tetradic
#B34740 #73B340 #40ACB3 #8040B3
square
#B34740 #73B340 #40ACB3 #8040B3
split-complementary
#B34740 #40B380 #4073B3
monochromatic
#592320 #863530 #B34740 #C96D67 #D99994

Accessibility & contrast

On white

5.40
#B34740 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.89
#B34740 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B34740
5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B34740#FFFFFF#000000##FFFFFF
##B347401.005.403.895.40
#FFFFFF5.401.0021.001.00
#0000003.8921.001.0021.00
##FFFFFF5.401.0021.001.00

Color blindness preview

Protanopia (red-blind)
#635C3F
Deuteranopia (green-blind)
#7E733D
Tritanopia (blue-blind)
#C43146
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #b34740;
/* rgb */ color: rgb(179, 71, 64);
/* oklch */ color: oklch(54.2% 0.142 26.6);
Tailwind
colors: {
  custom: {
    50: '#d07f75',
    500: '#b34740',
    950: '#000000',
  },
}
SCSS
$custom: #b34740;
$custom-light: #d07f75;
$custom-dark: #000000;
JSON
{
  "hex": "#b34740",
  "rgb": {
    "r": 179,
    "g": 71,
    "b": 64
  },
  "hsl": {
    "h": 3.652,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.54155,
    "c": 0.14231,
    "h": 26.6
  },
  "luminance": 0.1446
}

Semantic roles & 50–950 ramp

primary
#B34740
secondary
#8AC1C4
accent
#CFD751
background
#FDF7F7
surface
#FBEEED
border
#D4C9C8
text
#150A08
muted
#837C7B

Preview Lab

Preview with #B34740

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

Preview Lab → · Contrast checker → · Palette generator →

#B34740 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva