#B4511F#B4511F

#B4511F is a mid, vivid orange. Relative luminance 0.157; OKLCH L 55.3% C 0.142 H 44.1°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#B4511F
RGB	rgb(180, 81, 31)
HSL	hsl(20, 71%, 41%)
HSV	hsv(20, 83%, 71%)
CMYK	cmyk(0%, 55%, 82.8%, 29.4%)
CIE-LAB	lab(46.57, 37.38, 46.37)
CIE-LCH	lch(46.57, 59.57, 51.13°)
OKLab	oklab(55.34% 0.1024 0.0991)
OKLCH	oklch(55.34% 0.142 44.1)
XYZ	xyz(22.0144, 15.6900, 3.1653)
Luminance	0.1569 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4511F #1F82B4

analogous

#B41F38 #B4511F #B49C1F

triadic

#B4511F #1FB451 #511FB4

tetradic

#B4511F #38B41F #1F82B4 #9C1FB4

square

#B4511F #38B41F #1F82B4 #9C1FB4

split-complementary

#B4511F #1FB49C #1F38B4

monochromatic

#4C220D #803A16 #B4511F #DC6C34 #E59268

Accessibility & contrast

On white

5.08

#B4511F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#B4511F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4511F

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4511F	#FFFFFF	#000000	##FFFFFF
##B4511F	1.00	5.08	4.14	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D6117

Deuteranopia (green-blind)

#85771C

Tritanopia (blue-blind)

#C63A47

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #b4511f;
/* rgb */ color: rgb(180, 81, 31);
/* oklch */ color: oklch(55.3% 0.142 44.1);

Tailwind

colors: {
  custom: {
    50: '#d2845f',
    500: '#b4511f',
    950: '#000000',
  },
}

SCSS

$custom: #b4511f;
$custom-light: #d2845f;
$custom-dark: #000000;

JSON

{
  "hex": "#b4511f",
  "rgb": {
    "r": 180,
    "g": 81,
    "b": 31
  },
  "hsl": {
    "h": 20.134,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.55337,
    "c": 0.14247,
    "h": 44.1
  },
  "luminance": 0.15687
}

Semantic roles & 50–950 ramp

primary

#B4511F

secondary

#64A8CB

accent

#B1ED3A

background

#FEF8F5

surface

#FCEFE9

border

#D5CAC5

text

#160B05

muted

#847C79

Preview Lab

Preview with #B4511F

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

Preview Lab → · Contrast checker → · Palette generator →