#B7582F#B7582F

#B7582F is a mid, vivid orange. Relative luminance 0.173; OKLCH L 57.0% C 0.135 H 42.5°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#B7582F
RGB	rgb(183, 88, 47)
HSL	hsl(18, 59%, 45%)
HSV	hsv(18, 74%, 72%)
CMYK	cmyk(0%, 51.9%, 74.3%, 28.2%)
CIE-LAB	lab(48.58, 35.61, 40.79)
CIE-LCH	lch(48.58, 54.15, 48.88°)
OKLab	oklab(57.01% 0.0993 0.0912)
OKLCH	oklch(57.01% 0.135 42.5)
XYZ	xyz(23.5335, 17.2549, 4.7800)
Luminance	0.1725 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7582F #2F8EB7

analogous

#B72F4A #B7582F #B79C2F

triadic

#B7582F #2FB758 #582FB7

tetradic

#B7582F #4AB72F #2F8EB7 #9C2FB7

square

#B7582F #4AB72F #2F8EB7 #9C2FB7

split-complementary

#B7582F #2FB79C #2F4AB7

monochromatic

#562916 #864122 #B7582F #D27851 #DF9E82

Accessibility & contrast

On white

4.72

#B7582F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#B7582F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B7582F

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7582F	#FFFFFF	#000000	##FFFFFF
##B7582F	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#72662A

Deuteranopia (green-blind)

#897B2D

Tritanopia (blue-blind)

#C9444F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #b7582f;
/* rgb */ color: rgb(183, 88, 47);
/* oklch */ color: oklch(57.0% 0.135 42.5);

Tailwind

colors: {
  custom: {
    50: '#d3896a',
    500: '#b7582f',
    950: '#000000',
  },
}

SCSS

$custom: #b7582f;
$custom-light: #d3896a;
$custom-dark: #000000;

JSON

{
  "hex": "#b7582f",
  "rgb": {
    "r": 183,
    "g": 88,
    "b": 47
  },
  "hsl": {
    "h": 18.088,
    "s": 59.13,
    "l": 45.098
  },
  "oklch": {
    "l": 0.57008,
    "c": 0.13481,
    "h": 42.5
  },
  "luminance": 0.17252
}

Semantic roles & 50–950 ramp

primary

#B7582F

secondary

#7AB0C8

accent

#B3E245

background

#FDF8F6

surface

#FBF0EB

border

#D4CBC6

text

#150C06

muted

#837D7A

Preview Lab

Preview with #B7582F

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

Preview Lab → · Contrast checker → · Palette generator →