#B73036#B73036

#B73036 is a mid, vivid red. Relative luminance 0.124; OKLCH L 52.0% C 0.171 H 23.3°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#B73036
RGB	rgb(183, 48, 54)
HSL	hsl(357, 58%, 45%)
HSV	hsv(357, 74%, 72%)
CMYK	cmyk(0%, 73.8%, 70.5%, 28.2%)
CIE-LAB	lab(41.92, 53.81, 29.35)
CIE-LCH	lch(41.92, 61.29, 28.61°)
OKLab	oklab(52.02% 0.1574 0.0677)
OKLCH	oklch(52.02% 0.171 23.3)
XYZ	xyz(21.2536, 12.4507, 4.7734)
Luminance	0.1245 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73036 #30B7B1

analogous

#B7307A #B73036 #B76D30

triadic

#B73036 #36B730 #3036B7

tetradic

#B73036 #7AB730 #30B7B1 #6D30B7

square

#B73036 #7AB730 #30B7B1 #6D30B7

split-complementary

#B73036 #30B76D #307AB7

monochromatic

#561719 #872328 #B73036 #D25258 #DE8387

Accessibility & contrast

On white

6.02

#B73036 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B73036 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73036

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73036	#FFFFFF	#000000	##FFFFFF
##B73036	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575035

Deuteranopia (green-blind)

#796D32

Tritanopia (blue-blind)

#C90034

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b73036;
/* rgb */ color: rgb(183, 48, 54);
/* oklch */ color: oklch(52.0% 0.171 23.3);

Tailwind

colors: {
  custom: {
    50: '#d5736d',
    500: '#b73036',
    950: '#000000',
  },
}

SCSS

$custom: #b73036;
$custom-light: #d5736d;
$custom-dark: #000000;

JSON

{
  "hex": "#b73036",
  "rgb": {
    "r": 183,
    "g": 48,
    "b": 54
  },
  "hsl": {
    "h": 357.333,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52017,
    "c": 0.17134,
    "h": 23.3
  },
  "luminance": 0.12448
}

Semantic roles & 50–950 ramp

primary

#B73036

secondary

#7BC8C4

accent

#E2DB46

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B73036

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

Preview Lab → · Contrast checker → · Palette generator →