#B0531F#B0531F

#B0531F is a mid, vivid orange. Relative luminance 0.155; OKLCH L 55.0% C 0.137 H 46.1°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#B0531F
RGB	rgb(176, 83, 31)
HSL	hsl(22, 70%, 41%)
HSV	hsv(22, 82%, 69%)
CMYK	cmyk(0%, 52.8%, 82.4%, 31%)
CIE-LAB	lab(46.34, 34.76, 45.93)
CIE-LCH	lch(46.34, 57.60, 52.88°)
OKLab	oklab(55.04% 0.0947 0.0985)
OKLCH	oklch(55.04% 0.137 46.1)
XYZ	xyz(21.2472, 15.5183, 3.1725)
Luminance	0.1552 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0531F #1F7CB0

analogous

#B01F34 #B0531F #B09B1F

triadic

#B0531F #1FB053 #531FB0

tetradic

#B0531F #34B01F #1F7CB0 #9B1FB0

square

#B0531F #34B01F #1F7CB0 #9B1FB0

split-complementary

#B0531F #1FB09B #1F34B0

monochromatic

#48220D #7C3A16 #B0531F #DB6E31 #E49365

Accessibility & contrast

On white

5.12

#B0531F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#B0531F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0531F

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0531F	#FFFFFF	#000000	##FFFFFF
##B0531F	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D6117

Deuteranopia (green-blind)

#84761C

Tritanopia (blue-blind)

#C13E49

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #b0531f;
/* rgb */ color: rgb(176, 83, 31);
/* oklch */ color: oklch(55.0% 0.137 46.1);

Tailwind

colors: {
  custom: {
    50: '#cf855f',
    500: '#b0531f',
    950: '#000000',
  },
}

SCSS

$custom: #b0531f;
$custom-light: #cf855f;
$custom-dark: #000000;

JSON

{
  "hex": "#b0531f",
  "rgb": {
    "r": 176,
    "g": 83,
    "b": 31
  },
  "hsl": {
    "h": 21.517,
    "s": 70.048,
    "l": 40.588
  },
  "oklch": {
    "l": 0.55038,
    "c": 0.13664,
    "h": 46.1
  },
  "luminance": 0.15516
}

Semantic roles & 50–950 ramp

primary

#B0531F

secondary

#62A4C9

accent

#ADED3B

background

#FDF8F5

surface

#FBEFE9

border

#D4CAC5

text

#150B05

muted

#837C79

Preview Lab

Preview with #B0531F

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

Preview Lab → · Contrast checker → · Palette generator →