#B43F19#B43F19

#B43F19 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.8% C 0.159 H 37.2°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#B43F19
RGB	rgb(180, 63, 25)
HSL	hsl(15, 76%, 40%)
HSV	hsv(15, 86%, 71%)
CMYK	cmyk(0%, 65%, 86.1%, 29.4%)
CIE-LAB	lab(43.26, 45.78, 46.10)
CIE-LCH	lch(43.26, 64.97, 45.20°)
OKLab	oklab(52.82% 0.1271 0.0963)
OKLCH	oklch(52.82% 0.159 37.2)
XYZ	xyz(20.7778, 13.3316, 2.3987)
Luminance	0.1333 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43F19 #198EB4

analogous

#B41940 #B43F19 #B48D19

triadic

#B43F19 #19B43F #3F19B4

tetradic

#B43F19 #40B419 #198EB4 #8D19B4

square

#B43F19 #40B419 #198EB4 #8D19B4

split-complementary

#B43F19 #19B48D #1940B4

monochromatic

#49190A #7E2C12 #B43F19 #E15629 #E9815F

Accessibility & contrast

On white

5.73

#B43F19 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#B43F19 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43F19

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43F19	#FFFFFF	#000000	##FFFFFF
##B43F19	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615612

Deuteranopia (green-blind)

#7E7012

Tritanopia (blue-blind)

#C61C38

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b43f19;
/* rgb */ color: rgb(180, 63, 25);
/* oklch */ color: oklch(52.8% 0.159 37.2);

Tailwind

colors: {
  custom: {
    50: '#d3795a',
    500: '#b43f19',
    950: '#000000',
  },
}

SCSS

$custom: #b43f19;
$custom-light: #d3795a;
$custom-dark: #000000;

JSON

{
  "hex": "#b43f19",
  "rgb": {
    "r": 180,
    "g": 63,
    "b": 25
  },
  "hsl": {
    "h": 14.71,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.52821,
    "c": 0.15945,
    "h": 37.2
  },
  "luminance": 0.13328
}

Semantic roles & 50–950 ramp

primary

#B43F19

secondary

#5CB1CD

accent

#C4F236

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B43F19

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

Preview Lab → · Contrast checker → · Palette generator →