#B43B19#B43B19

#B43B19 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.3% C 0.163 H 35.7°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#B43B19
RGB	rgb(180, 59, 25)
HSL	hsl(13, 76%, 40%)
HSV	hsv(13, 86%, 71%)
CMYK	cmyk(0%, 67.2%, 86.1%, 29.4%)
CIE-LAB	lab(42.62, 47.50, 45.56)
CIE-LCH	lch(42.62, 65.82, 43.81°)
OKLab	oklab(52.34% 0.1323 0.0951)
OKLCH	oklch(52.34% 0.163 35.7)
XYZ	xyz(20.5642, 12.9045, 2.3275)
Luminance	0.1290 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43B19 #1992B4

analogous

#B41945 #B43B19 #B48819

triadic

#B43B19 #19B43B #3B19B4

tetradic

#B43B19 #45B419 #1992B4 #8819B4

square

#B43B19 #45B419 #1992B4 #8819B4

split-complementary

#B43B19 #19B488 #1945B4

monochromatic

#49180A #7E2912 #B43B19 #E15129 #E97D5F

Accessibility & contrast

On white

5.87

#B43B19 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B43B19 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43B19

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43B19	#FFFFFF	#000000	##FFFFFF
##B43B19	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5413

Deuteranopia (green-blind)

#7C6F12

Tritanopia (blue-blind)

#C71335

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b43b19;
/* rgb */ color: rgb(180, 59, 25);
/* oklch */ color: oklch(52.3% 0.163 35.7);

Tailwind

colors: {
  custom: {
    50: '#d4775a',
    500: '#b43b19',
    950: '#000000',
  },
}

SCSS

$custom: #b43b19;
$custom-light: #d4775a;
$custom-dark: #000000;

JSON

{
  "hex": "#b43b19",
  "rgb": {
    "r": 180,
    "g": 59,
    "b": 25
  },
  "hsl": {
    "h": 13.161,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.52339,
    "c": 0.16296,
    "h": 35.7
  },
  "luminance": 0.12901
}

Semantic roles & 50–950 ramp

primary

#B43B19

secondary

#5CB4CD

accent

#C9F236

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B43B19

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

Preview Lab → · Contrast checker → · Palette generator →