#B34728#B34728

#B34728 is a mid, vivid red. Relative luminance 0.142; OKLCH L 53.8% C 0.148 H 36.6°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#B34728
RGB	rgb(179, 71, 40)
HSL	hsl(13, 63%, 43%)
HSV	hsv(13, 78%, 70%)
CMYK	cmyk(0%, 60.3%, 77.7%, 29.8%)
CIE-LAB	lab(44.58, 42.23, 40.03)
CIE-LCH	lch(44.58, 58.19, 43.47°)
OKLab	oklab(53.83% 0.1188 0.088)
OKLCH	oklch(53.83% 0.148 36.6)
XYZ	xyz(21.2289, 14.2463, 3.6390)
Luminance	0.1424 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B34728 #2894B3

analogous

#B3284F #B34728 #B38C28

triadic

#B34728 #28B347 #4728B3

tetradic

#B34728 #4FB328 #2894B3 #8C28B3

square

#B34728 #4FB328 #2894B3 #8C28B3

split-complementary

#B34728 #28B38C #284FB3

monochromatic

#4F1F12 #81331D #B34728 #D56443 #E08D75

Accessibility & contrast

On white

5.46

#B34728 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#B34728 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B34728

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B34728	#FFFFFF	#000000	##FFFFFF
##B34728	1.00	5.46	3.85	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655A24

Deuteranopia (green-blind)

#807224

Tritanopia (blue-blind)

#C52D41

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b34728;
/* rgb */ color: rgb(179, 71, 40);
/* oklch */ color: oklch(53.8% 0.148 36.6);

Tailwind

colors: {
  custom: {
    50: '#d17e64',
    500: '#b34728',
    950: '#000000',
  },
}

SCSS

$custom: #b34728;
$custom-light: #d17e64;
$custom-dark: #000000;

JSON

{
  "hex": "#b34728",
  "rgb": {
    "r": 179,
    "g": 71,
    "b": 40
  },
  "hsl": {
    "h": 13.381,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.53826,
    "c": 0.14783,
    "h": 36.6
  },
  "luminance": 0.14243
}

Semantic roles & 50–950 ramp

primary

#B34728

secondary

#6FB4C8

accent

#C2E641

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150A05

muted

#837C7A

Preview Lab

Preview with #B34728

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

Preview Lab → · Contrast checker → · Palette generator →