#B74431#B74431

#B74431 is a mid, vivid red. Relative luminance 0.144; OKLCH L 54.2% C 0.153 H 31.7°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#B74431
RGB	rgb(183, 68, 49)
HSL	hsl(9, 58%, 45%)
HSV	hsv(9, 73%, 72%)
CMYK	cmyk(0%, 62.8%, 73.2%, 28.2%)
CIE-LAB	lab(44.84, 45.47, 35.63)
CIE-LCH	lch(44.84, 57.76, 38.08°)
OKLab	oklab(54.18% 0.1301 0.0804)
OKLCH	oklch(54.18% 0.153 31.7)
XYZ	xyz(22.1523, 14.4264, 4.5232)
Luminance	0.1442 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B74431 #31A4B7

analogous

#B73161 #B74431 #B78731

triadic

#B74431 #31B744 #4431B7

tetradic

#B74431 #61B731 #31A4B7 #8731B7

square

#B74431 #61B731 #31A4B7 #8731B7

split-complementary

#B74431 #31B787 #3161B7

monochromatic

#562017 #873224 #B74431 #D16654 #DE9184

Accessibility & contrast

On white

5.41

#B74431 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#B74431 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B74431

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B74431	#FFFFFF	#000000	##FFFFFF
##B74431	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645A2E

Deuteranopia (green-blind)

#80732D

Tritanopia (blue-blind)

#C92840

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #b74431;
/* rgb */ color: rgb(183, 68, 49);
/* oklch */ color: oklch(54.2% 0.153 31.7);

Tailwind

colors: {
  custom: {
    50: '#d47d6a',
    500: '#b74431',
    950: '#000000',
  },
}

SCSS

$custom: #b74431;
$custom-light: #d47d6a;
$custom-dark: #000000;

JSON

{
  "hex": "#b74431",
  "rgb": {
    "r": 183,
    "g": 68,
    "b": 49
  },
  "hsl": {
    "h": 8.507,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.54179,
    "c": 0.15297,
    "h": 31.7
  },
  "luminance": 0.14423
}

Semantic roles & 50–950 ramp

primary

#B74431

secondary

#7CBDC8

accent

#CBE147

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A06

muted

#847C7A

Preview Lab

Preview with #B74431

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

Preview Lab → · Contrast checker → · Palette generator →