#B43D17#B43D17

#B43D17 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.6% C 0.162 H 36.8°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#B43D17
RGB	rgb(180, 61, 23)
HSL	hsl(15, 77%, 40%)
HSV	hsv(15, 87%, 71%)
CMYK	cmyk(0%, 66.1%, 87.2%, 29.4%)
CIE-LAB	lab(42.92, 46.60, 46.68)
CIE-LCH	lch(42.92, 65.96, 45.05°)
OKLab	oklab(52.56% 0.1293 0.0969)
OKLCH	oklch(52.56% 0.162 36.8)
XYZ	xyz(20.6482, 13.1057, 2.2529)
Luminance	0.1310 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43D17 #178EB4

analogous

#B41740 #B43D17 #B48B17

triadic

#B43D17 #17B43D #3D17B4

tetradic

#B43D17 #40B417 #178EB4 #8B17B4

square

#B43D17 #40B417 #178EB4 #8B17B4

split-complementary

#B43D17 #17B48B #1740B4

monochromatic

#471809 #7E2B10 #B43D17 #E35325 #EA7E5B

Accessibility & contrast

On white

5.80

#B43D17 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B43D17 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43D17

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43D17	#FFFFFF	#000000	##FFFFFF
##B43D17	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605510

Deuteranopia (green-blind)

#7D6F0F

Tritanopia (blue-blind)

#C71836

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b43d17;
/* rgb */ color: rgb(180, 61, 23);
/* oklch */ color: oklch(52.6% 0.162 36.8);

Tailwind

colors: {
  custom: {
    50: '#d47859',
    500: '#b43d17',
    950: '#000000',
  },
}

SCSS

$custom: #b43d17;
$custom-light: #d47859;
$custom-dark: #000000;

JSON

{
  "hex": "#b43d17",
  "rgb": {
    "r": 180,
    "g": 61,
    "b": 23
  },
  "hsl": {
    "h": 14.522,
    "s": 77.34,
    "l": 39.804
  },
  "oklch": {
    "l": 0.52563,
    "c": 0.16155,
    "h": 36.8
  },
  "luminance": 0.13103
}

Semantic roles & 50–950 ramp

primary

#B43D17

secondary

#59B1CE

accent

#C5F434

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B43D17

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

Preview Lab → · Contrast checker → · Palette generator →