#B43D1F#B43D1F

#B43D1F is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.6% C 0.160 H 35.0°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#B43D1F
RGB	rgb(180, 61, 31)
HSL	hsl(12, 71%, 41%)
HSV	hsv(12, 83%, 71%)
CMYK	cmyk(0%, 66.1%, 82.8%, 29.4%)
CIE-LAB	lab(42.98, 46.81, 43.07)
CIE-LCH	lch(42.98, 63.61, 42.62°)
OKLab	oklab(52.62% 0.1312 0.0918)
OKLCH	oklch(52.62% 0.16 35)
XYZ	xyz(20.7408, 13.1428, 2.7407)
Luminance	0.1314 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43D1F #1F96B4

analogous

#B41F4B #B43D1F #B4881F

triadic

#B43D1F #1FB43D #3D1FB4

tetradic

#B43D1F #4BB41F #1F96B4 #881FB4

square

#B43D1F #4BB41F #1F96B4 #881FB4

split-complementary

#B43D1F #1FB488 #1F4BB4

monochromatic

#4C1A0D #802B16 #B43D1F #DC5634 #E58168

Accessibility & contrast

On white

5.79

#B43D1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#B43D1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43D1F

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43D1F	#FFFFFF	#000000	##FFFFFF
##B43D1F	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60551A

Deuteranopia (green-blind)

#7D6F19

Tritanopia (blue-blind)

#C61937

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b43d1f;
/* rgb */ color: rgb(180, 61, 31);
/* oklch */ color: oklch(52.6% 0.160 35.0);

Tailwind

colors: {
  custom: {
    50: '#d3785d',
    500: '#b43d1f',
    950: '#000000',
  },
}

SCSS

$custom: #b43d1f;
$custom-light: #d3785d;
$custom-dark: #000000;

JSON

{
  "hex": "#b43d1f",
  "rgb": {
    "r": 180,
    "g": 61,
    "b": 31
  },
  "hsl": {
    "h": 12.081,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.52623,
    "c": 0.1601,
    "h": 35
  },
  "luminance": 0.1314
}

Semantic roles & 50–950 ramp

primary

#B43D1F

secondary

#64B6CB

accent

#C9ED3A

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B43D1F

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

Preview Lab → · Contrast checker → · Palette generator →