#B73E30#B73E30

#B73E30 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.4% C 0.159 H 29.8°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#B73E30
RGB	rgb(183, 62, 48)
HSL	hsl(6, 58%, 45%)
HSV	hsv(6, 74%, 72%)
CMYK	cmyk(0%, 66.1%, 73.8%, 28.2%)
CIE-LAB	lab(43.84, 48.06, 35.08)
CIE-LCH	lch(43.84, 59.50, 36.12°)
OKLab	oklab(53.43% 0.138 0.079)
OKLCH	oklch(53.43% 0.159 29.8)
XYZ	xyz(21.7869, 13.7291, 4.2985)
Luminance	0.1373 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73E30 #30A9B7

analogous

#B73066 #B73E30 #B78130

triadic

#B73E30 #30B73E #3E30B7

tetradic

#B73E30 #66B730 #30A9B7 #8130B7

square

#B73E30 #66B730 #30A9B7 #8130B7

split-complementary

#B73E30 #30B781 #3066B7

monochromatic

#561D17 #872E23 #B73E30 #D26052 #DE8C83

Accessibility & contrast

On white

5.61

#B73E30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#B73E30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73E30

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73E30	#FFFFFF	#000000	##FFFFFF
##B73E30	1.00	5.61	3.75	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60572E

Deuteranopia (green-blind)

#7E712C

Tritanopia (blue-blind)

#C91D3C

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b73e30;
/* rgb */ color: rgb(183, 62, 48);
/* oklch */ color: oklch(53.4% 0.159 29.8);

Tailwind

colors: {
  custom: {
    50: '#d47a69',
    500: '#b73e30',
    950: '#000000',
  },
}

SCSS

$custom: #b73e30;
$custom-light: #d47a69;
$custom-dark: #000000;

JSON

{
  "hex": "#b73e30",
  "rgb": {
    "r": 183,
    "g": 62,
    "b": 48
  },
  "hsl": {
    "h": 6.222,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.53426,
    "c": 0.15904,
    "h": 29.8
  },
  "luminance": 0.13726
}

Semantic roles & 50–950 ramp

primary

#B73E30

secondary

#7BC0C8

accent

#D2E246

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A06

muted

#847C7A

Preview Lab

Preview with #B73E30

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

Preview Lab → · Contrast checker → · Palette generator →