#B43F16#B43F16

#B43F16 is a mid, vivid orange. Relative luminance 0.133; OKLCH L 52.8% C 0.160 H 37.8°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#B43F16
RGB	rgb(180, 63, 22)
HSL	hsl(16, 78%, 40%)
HSV	hsv(16, 88%, 71%)
CMYK	cmyk(0%, 65%, 87.8%, 29.4%)
CIE-LAB	lab(43.24, 45.71, 47.36)
CIE-LCH	lch(43.24, 65.82, 46.02°)
OKLab	oklab(52.8% 0.1264 0.098)
OKLCH	oklch(52.8% 0.16 37.8)
XYZ	xyz(20.7471, 13.3193, 2.2373)
Luminance	0.1332 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43F16 #168BB4

analogous

#B4163C #B43F16 #B48E16

triadic

#B43F16 #16B43F #3F16B4

tetradic

#B43F16 #3CB416 #168BB4 #8E16B4

square

#B43F16 #3CB416 #168BB4 #8E16B4

split-complementary

#B43F16 #16B48E #163CB4

monochromatic

#471909 #7D2C0F #B43F16 #E45523 #EB7F5A

Accessibility & contrast

On white

5.73

#B43F16 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B43F16 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43F16

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43F16	#FFFFFF	#000000	##FFFFFF
##B43F16	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)

#61560E

Deuteranopia (green-blind)

#7E700E

Tritanopia (blue-blind)

#C61C38

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b43f16;
/* rgb */ color: rgb(180, 63, 22);
/* oklch */ color: oklch(52.8% 0.160 37.8);

Tailwind

colors: {
  custom: {
    50: '#d47959',
    500: '#b43f16',
    950: '#000000',
  },
}

SCSS

$custom: #b43f16;
$custom-light: #d47959;
$custom-dark: #000000;

JSON

{
  "hex": "#b43f16",
  "rgb": {
    "r": 180,
    "g": 63,
    "b": 22
  },
  "hsl": {
    "h": 15.57,
    "s": 78.218,
    "l": 39.608
  },
  "oklch": {
    "l": 0.52801,
    "c": 0.15997,
    "h": 37.8
  },
  "luminance": 0.13316
}

Semantic roles & 50–950 ramp

primary

#B43F16

secondary

#58AFCE

accent

#C2F533

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B43F16

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

Preview Lab → · Contrast checker → · Palette generator →