#B43E23#B43E23

#B43E23 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.8% C 0.158 H 34.2°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#B43E23
RGB	rgb(180, 62, 35)
HSL	hsl(11, 67%, 42%)
HSV	hsv(11, 81%, 71%)
CMYK	cmyk(0%, 65.6%, 80.6%, 29.4%)
CIE-LAB	lab(43.17, 46.50, 41.25)
CIE-LCH	lch(43.17, 62.16, 41.58°)
OKLab	oklab(52.78% 0.131 0.0891)
OKLCH	oklch(52.78% 0.158 34.2)
XYZ	xyz(20.8507, 13.2730, 3.0538)
Luminance	0.1327 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43E23 #2399B4

analogous

#B42351 #B43E23 #B48623

triadic

#B43E23 #23B43E #3E23B4

tetradic

#B43E23 #51B423 #2399B4 #8623B4

square

#B43E23 #51B423 #2399B4 #8623B4

split-complementary

#B43E23 #23B486 #2351B4

monochromatic

#4E1B0F #812C19 #B43E23 #D9593B #E3846E

Accessibility & contrast

On white

5.75

#B43E23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B43E23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43E23

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43E23	#FFFFFF	#000000	##FFFFFF
##B43E23	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60551F

Deuteranopia (green-blind)

#7D701E

Tritanopia (blue-blind)

#C61C39

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b43e23;
/* rgb */ color: rgb(180, 62, 35);
/* oklch */ color: oklch(52.8% 0.158 34.2);

Tailwind

colors: {
  custom: {
    50: '#d37960',
    500: '#b43e23',
    950: '#000000',
  },
}

SCSS

$custom: #b43e23;
$custom-light: #d37960;
$custom-dark: #000000;

JSON

{
  "hex": "#b43e23",
  "rgb": {
    "r": 180,
    "g": 62,
    "b": 35
  },
  "hsl": {
    "h": 11.172,
    "s": 67.442,
    "l": 42.157
  },
  "oklch": {
    "l": 0.52779,
    "c": 0.1584,
    "h": 34.2
  },
  "luminance": 0.1327
}

Semantic roles & 50–950 ramp

primary

#B43E23

secondary

#69B8C9

accent

#CAEA3D

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160905

muted

#847B79

Preview Lab

Preview with #B43E23

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

Preview Lab → · Contrast checker → · Palette generator →