#B43723#B43723

#B43723 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.0% C 0.165 H 31.8°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#B43723
RGB	rgb(180, 55, 35)
HSL	hsl(8, 67%, 42%)
HSV	hsv(8, 81%, 71%)
CMYK	cmyk(0%, 69.4%, 80.6%, 29.4%)
CIE-LAB	lab(42.09, 49.43, 40.19)
CIE-LCH	lch(42.09, 63.70, 39.12°)
OKLab	oklab(51.97% 0.14 0.0868)
OKLCH	oklch(51.97% 0.165 31.8)
XYZ	xyz(20.4943, 12.5601, 2.9350)
Luminance	0.1256 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43723 #23A0B4

analogous

#B42357 #B43723 #B48023

triadic

#B43723 #23B437 #3723B4

tetradic

#B43723 #57B423 #23A0B4 #8023B4

square

#B43723 #57B423 #23A0B4 #8023B4

split-complementary

#B43723 #23B480 #2357B4

monochromatic

#4E180F #812719 #B43723 #D9513B #E37F6E

Accessibility & contrast

On white

5.98

#B43723 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#B43723 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43723

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43723	#FFFFFF	#000000	##FFFFFF
##B43723	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5220

Deuteranopia (green-blind)

#7B6D1D

Tritanopia (blue-blind)

#C60733

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b43723;
/* rgb */ color: rgb(180, 55, 35);
/* oklch */ color: oklch(52.0% 0.165 31.8);

Tailwind

colors: {
  custom: {
    50: '#d37560',
    500: '#b43723',
    950: '#000000',
  },
}

SCSS

$custom: #b43723;
$custom-light: #d37560;
$custom-dark: #000000;

JSON

{
  "hex": "#b43723",
  "rgb": {
    "r": 180,
    "g": 55,
    "b": 35
  },
  "hsl": {
    "h": 8.276,
    "s": 67.442,
    "l": 42.157
  },
  "oklch": {
    "l": 0.51969,
    "c": 0.16475,
    "h": 31.8
  },
  "luminance": 0.12557
}

Semantic roles & 50–950 ramp

primary

#B43723

secondary

#69BCC9

accent

#D2EA3D

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160905

muted

#847B79

Preview Lab

Preview with #B43723

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

Preview Lab → · Contrast checker → · Palette generator →