#B73F2E#B73F2E

#B73F2E is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.5% C 0.158 H 30.9°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#B73F2E
RGB	rgb(183, 63, 46)
HSL	hsl(7, 60%, 45%)
HSV	hsv(7, 75%, 72%)
CMYK	cmyk(0%, 65.6%, 74.9%, 28.2%)
CIE-LAB	lab(43.98, 47.54, 36.35)
CIE-LCH	lch(43.98, 59.85, 37.40°)
OKLab	oklab(53.52% 0.136 0.0813)
OKLCH	oklch(53.52% 0.158 30.9)
XYZ	xyz(21.8015, 13.8227, 4.1043)
Luminance	0.1382 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73F2E #2EA6B7

analogous

#B72E62 #B73F2E #B7832E

triadic

#B73F2E #2EB73F #3F2EB7

tetradic

#B73F2E #62B72E #2EA6B7 #832EB7

square

#B73F2E #62B72E #2EA6B7 #832EB7

split-complementary

#B73F2E #2EB783 #2E62B7

monochromatic

#551D15 #862E22 #B73F2E #D3604F #DF8C80

Accessibility & contrast

On white

5.58

#B73F2E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#B73F2E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73F2E

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73F2E	#FFFFFF	#000000	##FFFFFF
##B73F2E	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61572B

Deuteranopia (green-blind)

#7F722A

Tritanopia (blue-blind)

#C91E3C

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b73f2e;
/* rgb */ color: rgb(183, 63, 46);
/* oklch */ color: oklch(53.5% 0.158 30.9);

Tailwind

colors: {
  custom: {
    50: '#d57a68',
    500: '#b73f2e',
    950: '#000000',
  },
}

SCSS

$custom: #b73f2e;
$custom-light: #d57a68;
$custom-dark: #000000;

JSON

{
  "hex": "#b73f2e",
  "rgb": {
    "r": 183,
    "g": 63,
    "b": 46
  },
  "hsl": {
    "h": 7.445,
    "s": 59.825,
    "l": 44.902
  },
  "oklch": {
    "l": 0.5352,
    "c": 0.15846,
    "h": 30.9
  },
  "luminance": 0.1382
}

Semantic roles & 50–950 ramp

primary

#B73F2E

secondary

#79BEC8

accent

#CFE345

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A06

muted

#847C7A

Preview Lab

Preview with #B73F2E

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

Preview Lab → · Contrast checker → · Palette generator →