#B73D2E#B73D2E

#B73D2E is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.3% C 0.160 H 30.2°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#B73D2E
RGB	rgb(183, 61, 46)
HSL	hsl(7, 60%, 45%)
HSV	hsv(7, 75%, 72%)
CMYK	cmyk(0%, 66.7%, 74.9%, 28.2%)
CIE-LAB	lab(43.66, 48.40, 36.00)
CIE-LCH	lch(43.66, 60.32, 36.65°)
OKLab	oklab(53.28% 0.1387 0.0806)
OKLCH	oklch(53.28% 0.16 30.2)
XYZ	xyz(21.6927, 13.6052, 4.0680)
Luminance	0.1360 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73D2E #2EA8B7

analogous

#B72E64 #B73D2E #B7812E

triadic

#B73D2E #2EB73D #3D2EB7

tetradic

#B73D2E #64B72E #2EA8B7 #812EB7

square

#B73D2E #64B72E #2EA8B7 #812EB7

split-complementary

#B73D2E #2EB781 #2E64B7

monochromatic

#551C15 #862D22 #B73D2E #D35E4F #DF8B80

Accessibility & contrast

On white

5.64

#B73D2E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#B73D2E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73D2E

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73D2E	#FFFFFF	#000000	##FFFFFF
##B73D2E	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F562B

Deuteranopia (green-blind)

#7E712A

Tritanopia (blue-blind)

#C91A3A

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b73d2e;
/* rgb */ color: rgb(183, 61, 46);
/* oklch */ color: oklch(53.3% 0.160 30.2);

Tailwind

colors: {
  custom: {
    50: '#d57967',
    500: '#b73d2e',
    950: '#000000',
  },
}

SCSS

$custom: #b73d2e;
$custom-light: #d57967;
$custom-dark: #000000;

JSON

{
  "hex": "#b73d2e",
  "rgb": {
    "r": 183,
    "g": 61,
    "b": 46
  },
  "hsl": {
    "h": 6.569,
    "s": 59.825,
    "l": 44.902
  },
  "oklch": {
    "l": 0.53283,
    "c": 0.16037,
    "h": 30.2
  },
  "luminance": 0.13602
}

Semantic roles & 50–950 ramp

primary

#B73D2E

secondary

#79BFC8

accent

#D2E345

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B73D2E

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

Preview Lab → · Contrast checker → · Palette generator →