#B74C33#B74C33

#B74C33 is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.3% C 0.145 H 34.5°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#B74C33
RGB	rgb(183, 76, 51)
HSL	hsl(11, 56%, 46%)
HSV	hsv(11, 72%, 72%)
CMYK	cmyk(0%, 58.5%, 72.1%, 28.2%)
CIE-LAB	lab(46.28, 41.82, 36.13)
CIE-LCH	lch(46.28, 55.27, 40.83°)
OKLab	oklab(55.28% 0.1192 0.082)
OKLCH	oklch(55.28% 0.145 34.5)
XYZ	xyz(22.7127, 15.4782, 4.9229)
Luminance	0.1547 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B74C33 #339EB7

analogous

#B7335C #B74C33 #B78E33

triadic

#B74C33 #33B74C #4C33B7

tetradic

#B74C33 #5CB733 #339EB7 #8E33B7

square

#B74C33 #5CB733 #339EB7 #8E33B7

split-complementary

#B74C33 #33B78E #335CB7

monochromatic

#572418 #873826 #B74C33 #D06E57 #DE9787

Accessibility & contrast

On white

5.13

#B74C33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#B74C33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B74C33

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B74C33	#FFFFFF	#000000	##FFFFFF
##B74C33	1.00	5.13	4.10	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#695F30

Deuteranopia (green-blind)

#837630

Tritanopia (blue-blind)

#C93547

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #b74c33;
/* rgb */ color: rgb(183, 76, 51);
/* oklch */ color: oklch(55.3% 0.145 34.5);

Tailwind

colors: {
  custom: {
    50: '#d4826c',
    500: '#b74c33',
    950: '#000000',
  },
}

SCSS

$custom: #b74c33;
$custom-light: #d4826c;
$custom-dark: #000000;

JSON

{
  "hex": "#b74c33",
  "rgb": {
    "r": 183,
    "g": 76,
    "b": 51
  },
  "hsl": {
    "h": 11.364,
    "s": 56.41,
    "l": 45.882
  },
  "oklch": {
    "l": 0.55277,
    "c": 0.14463,
    "h": 34.5
  },
  "luminance": 0.15475
}

Semantic roles & 50–950 ramp

primary

#B74C33

secondary

#7FB9C7

accent

#C3E048

background

#FDF8F6

surface

#FBEFEB

border

#D4CAC6

text

#150B07

muted

#837C7A

Preview Lab

Preview with #B74C33

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

Preview Lab → · Contrast checker → · Palette generator →