#B4531F#B4531F

#B4531F is a mid, vivid orange. Relative luminance 0.160; OKLCH L 55.6% C 0.141 H 45.2°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#B4531F
RGB	rgb(180, 83, 31)
HSL	hsl(21, 71%, 41%)
HSV	hsv(21, 83%, 71%)
CMYK	cmyk(0%, 53.9%, 82.8%, 29.4%)
CIE-LAB	lab(46.96, 36.37, 46.74)
CIE-LCH	lch(46.96, 59.22, 52.11°)
OKLab	oklab(55.64% 0.0993 0.0999)
OKLCH	oklch(55.64% 0.141 45.2)
XYZ	xyz(22.1653, 15.9916, 3.2156)
Luminance	0.1599 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4531F #1F80B4

analogous

#B41F35 #B4531F #B49E1F

triadic

#B4531F #1FB453 #531FB4

tetradic

#B4531F #35B41F #1F80B4 #9E1FB4

square

#B4531F #35B41F #1F80B4 #9E1FB4

split-complementary

#B4531F #1FB49E #1F35B4

monochromatic

#4C230D #803B16 #B4531F #DC6F34 #E59468

Accessibility & contrast

On white

5.00

#B4531F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#B4531F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4531F

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4531F	#FFFFFF	#000000	##FFFFFF
##B4531F	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F6217

Deuteranopia (green-blind)

#86781C

Tritanopia (blue-blind)

#C63D49

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #b4531f;
/* rgb */ color: rgb(180, 83, 31);
/* oklch */ color: oklch(55.6% 0.141 45.2);

Tailwind

colors: {
  custom: {
    50: '#d2855f',
    500: '#b4531f',
    950: '#000000',
  },
}

SCSS

$custom: #b4531f;
$custom-light: #d2855f;
$custom-dark: #000000;

JSON

{
  "hex": "#b4531f",
  "rgb": {
    "r": 180,
    "g": 83,
    "b": 31
  },
  "hsl": {
    "h": 20.94,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.55641,
    "c": 0.14084,
    "h": 45.2
  },
  "luminance": 0.15989
}

Semantic roles & 50–950 ramp

primary

#B4531F

secondary

#64A7CB

accent

#AFED3A

background

#FDF8F5

surface

#FBEFE9

border

#D4CAC5

text

#160B05

muted

#847C79

Preview Lab

Preview with #B4531F

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

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