#B7582E#B7582E

#B7582E is a mid, vivid orange. Relative luminance 0.172; OKLCH L 57.0% C 0.135 H 42.9°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#B7582E
RGB	rgb(183, 88, 46)
HSL	hsl(18, 60%, 45%)
HSV	hsv(18, 75%, 72%)
CMYK	cmyk(0%, 51.9%, 74.9%, 28.2%)
CIE-LAB	lab(48.57, 35.56, 41.29)
CIE-LCH	lch(48.57, 54.50, 49.26°)
OKLab	oklab(57% 0.099 0.092)
OKLCH	oklch(57% 0.135 42.9)
XYZ	xyz(23.5136, 17.2469, 4.6750)
Luminance	0.1724 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7582E #2E8DB7

analogous

#B72E49 #B7582E #B79C2E

triadic

#B7582E #2EB758 #582EB7

tetradic

#B7582E #49B72E #2E8DB7 #9C2EB7

square

#B7582E #49B72E #2E8DB7 #9C2EB7

split-complementary

#B7582E #2EB79C #2E49B7

monochromatic

#552915 #864022 #B7582E #D3784F #DF9D80

Accessibility & contrast

On white

4.72

#B7582E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#B7582E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B7582E

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7582E	#FFFFFF	#000000	##FFFFFF
##B7582E	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)

#726629

Deuteranopia (green-blind)

#897B2C

Tritanopia (blue-blind)

#C9444F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #b7582e;
/* rgb */ color: rgb(183, 88, 46);
/* oklch */ color: oklch(57.0% 0.135 42.9);

Tailwind

colors: {
  custom: {
    50: '#d38969',
    500: '#b7582e',
    950: '#000000',
  },
}

SCSS

$custom: #b7582e;
$custom-light: #d38969;
$custom-dark: #000000;

JSON

{
  "hex": "#b7582e",
  "rgb": {
    "r": 183,
    "g": 88,
    "b": 46
  },
  "hsl": {
    "h": 18.394,
    "s": 59.825,
    "l": 44.902
  },
  "oklch": {
    "l": 0.56997,
    "c": 0.13517,
    "h": 42.9
  },
  "luminance": 0.17244
}

Semantic roles & 50–950 ramp

primary

#B7582E

secondary

#79B0C8

accent

#B2E345

background

#FDF8F6

surface

#FBF0EB

border

#D4CBC6

text

#150C06

muted

#837D7A

Preview Lab

Preview with #B7582E

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

Preview Lab → · Contrast checker → · Palette generator →