#B43A23#B43A23

#B43A23 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.3% C 0.162 H 32.8°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#B43A23
RGB	rgb(180, 58, 35)
HSL	hsl(10, 67%, 42%)
HSV	hsv(10, 81%, 71%)
CMYK	cmyk(0%, 67.8%, 80.6%, 29.4%)
CIE-LAB	lab(42.54, 48.20, 40.64)
CIE-LCH	lch(42.54, 63.05, 40.13°)
OKLab	oklab(52.31% 0.1362 0.0878)
OKLCH	oklch(52.31% 0.162 32.8)
XYZ	xyz(20.6412, 12.8538, 2.9840)
Luminance	0.1285 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43A23 #239DB4

analogous

#B42355 #B43A23 #B48223

triadic

#B43A23 #23B43A #3A23B4

tetradic

#B43A23 #55B423 #239DB4 #8223B4

square

#B43A23 #55B423 #239DB4 #8223B4

split-complementary

#B43A23 #23B482 #2355B4

monochromatic

#4E190F #812919 #B43A23 #D9543B #E3816E

Accessibility & contrast

On white

5.88

#B43A23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B43A23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43A23

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43A23	#FFFFFF	#000000	##FFFFFF
##B43A23	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D531F

Deuteranopia (green-blind)

#7C6E1E

Tritanopia (blue-blind)

#C61236

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b43a23;
/* rgb */ color: rgb(180, 58, 35);
/* oklch */ color: oklch(52.3% 0.162 32.8);

Tailwind

colors: {
  custom: {
    50: '#d37760',
    500: '#b43a23',
    950: '#000000',
  },
}

SCSS

$custom: #b43a23;
$custom-light: #d37760;
$custom-dark: #000000;

JSON

{
  "hex": "#b43a23",
  "rgb": {
    "r": 180,
    "g": 58,
    "b": 35
  },
  "hsl": {
    "h": 9.517,
    "s": 67.442,
    "l": 42.157
  },
  "oklch": {
    "l": 0.52306,
    "c": 0.16205,
    "h": 32.8
  },
  "luminance": 0.12851
}

Semantic roles & 50–950 ramp

primary

#B43A23

secondary

#69BAC9

accent

#CFEA3D

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160905

muted

#847B79

Preview Lab

Preview with #B43A23

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

Preview Lab → · Contrast checker → · Palette generator →