#B43519#B43519

#B43519 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.7% C 0.168 H 33.7°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#B43519
RGB	rgb(180, 53, 25)
HSL	hsl(11, 76%, 40%)
HSV	hsv(11, 86%, 71%)
CMYK	cmyk(0%, 70.6%, 86.1%, 29.4%)
CIE-LAB	lab(41.72, 49.93, 44.80)
CIE-LCH	lch(41.72, 67.08, 41.90°)
OKLab	oklab(51.67% 0.1399 0.0933)
OKLCH	oklch(51.67% 0.168 33.7)
XYZ	xyz(20.2734, 12.3228, 2.2306)
Luminance	0.1232 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43519 #1998B4

analogous

#B4194A #B43519 #B48319

triadic

#B43519 #19B435 #3519B4

tetradic

#B43519 #4AB419 #1998B4 #8319B4

square

#B43519 #4AB419 #1998B4 #8319B4

split-complementary

#B43519 #19B483 #194AB4

monochromatic

#49150A #7E2512 #B43519 #E14A29 #E9785F

Accessibility & contrast

On white

6.06

#B43519 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#B43519 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43519

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43519	#FFFFFF	#000000	##FFFFFF
##B43519	1.00	6.06	3.46	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5013

Deuteranopia (green-blind)

#7A6D11

Tritanopia (blue-blind)

#C70030

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b43519;
/* rgb */ color: rgb(180, 53, 25);
/* oklch */ color: oklch(51.7% 0.168 33.7);

Tailwind

colors: {
  custom: {
    50: '#d47459',
    500: '#b43519',
    950: '#000000',
  },
}

SCSS

$custom: #b43519;
$custom-light: #d47459;
$custom-dark: #000000;

JSON

{
  "hex": "#b43519",
  "rgb": {
    "r": 180,
    "g": 53,
    "b": 25
  },
  "hsl": {
    "h": 10.839,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.51668,
    "c": 0.16814,
    "h": 33.7
  },
  "luminance": 0.1232
}

Semantic roles & 50–950 ramp

primary

#B43519

secondary

#5CB8CD

accent

#D0F236

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B43519

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

Preview Lab → · Contrast checker → · Palette generator →