#B34739#B34739

#B34739 is a mid, vivid red. Relative luminance 0.144; OKLCH L 54.0% C 0.144 H 29.9°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#B34739
RGB	rgb(179, 71, 57)
HSL	hsl(7, 52%, 46%)
HSV	hsv(7, 68%, 70%)
CMYK	cmyk(0%, 60.3%, 68.2%, 29.8%)
CIE-LAB	lab(44.78, 43.04, 30.82)
CIE-LCH	lch(44.78, 52.94, 35.60°)
OKLab	oklab(54.04% 0.1246 0.0716)
OKLCH	oklch(54.04% 0.144 29.9)
XYZ	xyz(21.5843, 14.3885, 5.5108)
Luminance	0.1439 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B34739 #39A5B3

analogous

#B33968 #B34739 #B38439

triadic

#B34739 #39B347 #4739B3

tetradic

#B34739 #68B339 #39A5B3 #8439B3

square

#B34739 #68B339 #39A5B3 #8439B3

split-complementary

#B34739 #39B384 #3968B3

monochromatic

#56221B #85352A #B34739 #CC6A5E #DA958C

Accessibility & contrast

On white

5.42

#B34739 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#B34739 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B34739

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B34739	#FFFFFF	#000000	##FFFFFF
##B34739	1.00	5.42	3.88	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645B37

Deuteranopia (green-blind)

#7F7336

Tritanopia (blue-blind)

#C43044

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #b34739;
/* rgb */ color: rgb(179, 71, 57);
/* oklch */ color: oklch(54.0% 0.144 29.9);

Tailwind

colors: {
  custom: {
    50: '#d07e70',
    500: '#b34739',
    950: '#000000',
  },
}

SCSS

$custom: #b34739;
$custom-light: #d07e70;
$custom-dark: #000000;

JSON

{
  "hex": "#b34739",
  "rgb": {
    "r": 179,
    "g": 71,
    "b": 57
  },
  "hsl": {
    "h": 6.885,
    "s": 51.695,
    "l": 46.275
  },
  "oklch": {
    "l": 0.54042,
    "c": 0.14369,
    "h": 29.9
  },
  "luminance": 0.14386
}

Semantic roles & 50–950 ramp

primary

#B34739

secondary

#83BDC5

accent

#CBDB4D

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B34739

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

Preview Lab → · Contrast checker → · Palette generator →