#B43F18#B43F18

#B43F18 is a mid, vivid orange. Relative luminance 0.133; OKLCH L 52.8% C 0.160 H 37.4°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#B43F18
RGB	rgb(180, 63, 24)
HSL	hsl(15, 76%, 40%)
HSV	hsv(15, 87%, 71%)
CMYK	cmyk(0%, 65%, 86.7%, 29.4%)
CIE-LAB	lab(43.25, 45.75, 46.53)
CIE-LCH	lch(43.25, 65.26, 45.48°)
OKLab	oklab(52.81% 0.1268 0.0969)
OKLCH	oklch(52.81% 0.16 37.4)
XYZ	xyz(20.7672, 13.3273, 2.3429)
Luminance	0.1332 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43F18 #188DB4

analogous

#B4183F #B43F18 #B48D18

triadic

#B43F18 #18B43F #3F18B4

tetradic

#B43F18 #3FB418 #188DB4 #8D18B4

square

#B43F18 #3FB418 #188DB4 #8D18B4

split-complementary

#B43F18 #18B48D #183FB4

monochromatic

#48190A #7E2C11 #B43F18 #E25627 #E9805D

Accessibility & contrast

On white

5.73

#B43F18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B43F18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43F18

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43F18	#FFFFFF	#000000	##FFFFFF
##B43F18	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615611

Deuteranopia (green-blind)

#7E7011

Tritanopia (blue-blind)

#C61C38

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b43f18;
/* rgb */ color: rgb(180, 63, 24);
/* oklch */ color: oklch(52.8% 0.160 37.4);

Tailwind

colors: {
  custom: {
    50: '#d3795a',
    500: '#b43f18',
    950: '#000000',
  },
}

SCSS

$custom: #b43f18;
$custom-light: #d3795a;
$custom-dark: #000000;

JSON

{
  "hex": "#b43f18",
  "rgb": {
    "r": 180,
    "g": 63,
    "b": 24
  },
  "hsl": {
    "h": 15,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.52814,
    "c": 0.15963,
    "h": 37.4
  },
  "luminance": 0.13324
}

Semantic roles & 50–950 ramp

primary

#B43F18

secondary

#5BB1CD

accent

#C3F335

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B43F18

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

Preview Lab → · Contrast checker → · Palette generator →