#B74B33#B74B33

#B74B33 is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.1% C 0.146 H 34.0°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#B74B33
RGB	rgb(183, 75, 51)
HSL	hsl(11, 56%, 46%)
HSV	hsv(11, 72%, 72%)
CMYK	cmyk(0%, 59%, 72.1%, 28.2%)
CIE-LAB	lab(46.10, 42.30, 35.93)
CIE-LCH	lch(46.10, 55.50, 40.34°)
OKLab	oklab(55.14% 0.1207 0.0815)
OKLCH	oklch(55.14% 0.146 34)
XYZ	xyz(22.6444, 15.3415, 4.9001)
Luminance	0.1534 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B74B33 #339FB7

analogous

#B7335D #B74B33 #B78D33

triadic

#B74B33 #33B74B #4B33B7

tetradic

#B74B33 #5DB733 #339FB7 #8D33B7

square

#B74B33 #5DB733 #339FB7 #8D33B7

split-complementary

#B74B33 #33B78D #335DB7

monochromatic

#572418 #873726 #B74B33 #D06D57 #DE9787

Accessibility & contrast

On white

5.16

#B74B33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#B74B33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B74B33

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B74B33	#FFFFFF	#000000	##FFFFFF
##B74B33	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685E30

Deuteranopia (green-blind)

#837630

Tritanopia (blue-blind)

#C93346

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #b74b33;
/* rgb */ color: rgb(183, 75, 51);
/* oklch */ color: oklch(55.1% 0.146 34.0);

Tailwind

colors: {
  custom: {
    50: '#d4816c',
    500: '#b74b33',
    950: '#000000',
  },
}

SCSS

$custom: #b74b33;
$custom-light: #d4816c;
$custom-dark: #000000;

JSON

{
  "hex": "#b74b33",
  "rgb": {
    "r": 183,
    "g": 75,
    "b": 51
  },
  "hsl": {
    "h": 10.909,
    "s": 56.41,
    "l": 45.882
  },
  "oklch": {
    "l": 0.55138,
    "c": 0.1456,
    "h": 34
  },
  "luminance": 0.15338
}

Semantic roles & 50–950 ramp

primary

#B74B33

secondary

#7FBAC7

accent

#C4E048

background

#FEF8F6

surface

#FCEFEB

border

#D5CAC6

text

#160B07

muted

#847C7A

Preview Lab

Preview with #B74B33

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

Preview Lab → · Contrast checker → · Palette generator →