#B3582F#B3582F

#B3582F is a mid, vivid orange. Relative luminance 0.168; OKLCH L 56.4% C 0.130 H 43.4°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#B3582F
RGB	rgb(179, 88, 47)
HSL	hsl(19, 58%, 44%)
HSV	hsv(19, 74%, 70%)
CMYK	cmyk(0%, 50.8%, 73.7%, 29.8%)
CIE-LAB	lab(47.97, 34.01, 39.96)
CIE-LCH	lch(47.97, 52.47, 49.60°)
OKLab	oklab(56.42% 0.0948 0.0896)
OKLCH	oklch(56.42% 0.13 43.4)
XYZ	xyz(22.5954, 16.7711, 4.7360)
Luminance	0.1677 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3582F #2F8AB3

analogous

#B32F48 #B3582F #B39A2F

triadic

#B3582F #2FB358 #582FB3

tetradic

#B3582F #48B32F #2F8AB3 #9A2FB3

square

#B3582F #48B32F #2F8AB3 #9A2FB3

split-complementary

#B3582F #2FB39A #2F48B3

monochromatic

#522816 #834022 #B3582F #D1774F #DD9C7F

Accessibility & contrast

On white

4.82

#B3582F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#B3582F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3582F

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3582F	#FFFFFF	#000000	##FFFFFF
##B3582F	1.00	4.82	4.35	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#71652A

Deuteranopia (green-blind)

#877A2D

Tritanopia (blue-blind)

#C4454F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #b3582f;
/* rgb */ color: rgb(179, 88, 47);
/* oklch */ color: oklch(56.4% 0.130 43.4);

Tailwind

colors: {
  custom: {
    50: '#d08969',
    500: '#b3582f',
    950: '#000000',
  },
}

SCSS

$custom: #b3582f;
$custom-light: #d08969;
$custom-dark: #000000;

JSON

{
  "hex": "#b3582f",
  "rgb": {
    "r": 179,
    "g": 88,
    "b": 47
  },
  "hsl": {
    "h": 18.636,
    "s": 58.407,
    "l": 44.314
  },
  "oklch": {
    "l": 0.56421,
    "c": 0.13044,
    "h": 43.4
  },
  "luminance": 0.16768
}

Semantic roles & 50–950 ramp

primary

#B3582F

secondary

#78AEC6

accent

#B1E246

background

#FDF8F6

surface

#FBF0EB

border

#D4CBC6

text

#150C06

muted

#837D7A

Preview Lab

Preview with #B3582F

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

Preview Lab → · Contrast checker → · Palette generator →