#B73B26#B73B26

#B73B26 is a mid, vivid red. Relative luminance 0.133; OKLCH L 53.0% C 0.164 H 32.1°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#B73B26
RGB	rgb(183, 59, 38)
HSL	hsl(9, 66%, 43%)
HSV	hsv(9, 79%, 72%)
CMYK	cmyk(0%, 67.8%, 79.2%, 28.2%)
CIE-LAB	lab(43.27, 48.92, 39.97)
CIE-LCH	lch(43.27, 63.17, 39.25°)
OKLab	oklab(52.96% 0.1387 0.087)
OKLCH	oklch(52.96% 0.164 32.1)
XYZ	xyz(21.4447, 13.3383, 3.2787)
Luminance	0.1333 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73B26 #26A2B7

analogous

#B72659 #B73B26 #B78326

triadic

#B73B26 #26B73B #3B26B7

tetradic

#B73B26 #59B726 #26A2B7 #8326B7

square

#B73B26 #59B726 #26A2B7 #8326B7

split-complementary

#B73B26 #26B783 #2659B7

monochromatic

#521A11 #842B1B #B73B26 #D85842 #E28575

Accessibility & contrast

On white

5.73

#B73B26 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#B73B26 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73B26

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73B26	#FFFFFF	#000000	##FFFFFF
##B73B26	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5523

Deuteranopia (green-blind)

#7E7021

Tritanopia (blue-blind)

#CA1337

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b73b26;
/* rgb */ color: rgb(183, 59, 38);
/* oklch */ color: oklch(53.0% 0.164 32.1);

Tailwind

colors: {
  custom: {
    50: '#d57862',
    500: '#b73b26',
    950: '#000000',
  },
}

SCSS

$custom: #b73b26;
$custom-light: #d57862;
$custom-dark: #000000;

JSON

{
  "hex": "#b73b26",
  "rgb": {
    "r": 183,
    "g": 59,
    "b": 38
  },
  "hsl": {
    "h": 8.69,
    "s": 65.611,
    "l": 43.333
  },
  "oklch": {
    "l": 0.52961,
    "c": 0.16373,
    "h": 32.1
  },
  "luminance": 0.13335
}

Semantic roles & 50–950 ramp

primary

#B73B26

secondary

#6FBDCA

accent

#D0E93F

background

#FEF7F5

surface

#FCEEEA

border

#D5C9C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B73B26

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

Preview Lab → · Contrast checker → · Palette generator →