#B4591F#B4591F

#B4591F is a mid, vivid orange. Relative luminance 0.169; OKLCH L 56.6% C 0.136 H 48.7°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#B4591F
RGB	rgb(180, 89, 31)
HSL	hsl(23, 71%, 41%)
HSV	hsv(23, 83%, 71%)
CMYK	cmyk(0%, 50.6%, 82.8%, 29.4%)
CIE-LAB	lab(48.20, 33.25, 47.86)
CIE-LCH	lch(48.20, 58.28, 55.21°)
OKLab	oklab(56.58% 0.0899 0.1024)
OKLCH	oklch(56.58% 0.136 48.7)
XYZ	xyz(22.6443, 16.9498, 3.3752)
Luminance	0.1695 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4591F #1F7AB4

analogous

#B41F2F #B4591F #B4A41F

triadic

#B4591F #1FB459 #591FB4

tetradic

#B4591F #2FB41F #1F7AB4 #A41FB4

square

#B4591F #2FB41F #1F7AB4 #A41FB4

split-complementary

#B4591F #1FB4A4 #1F2FB4

monochromatic

#4C250D #803F16 #B4591F #DC7634 #E59968

Accessibility & contrast

On white

4.78

#B4591F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#B4591F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4591F

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4591F	#FFFFFF	#000000	##FFFFFF
##B4591F	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#736616

Deuteranopia (green-blind)

#897A1D

Tritanopia (blue-blind)

#C6454E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #b4591f;
/* rgb */ color: rgb(180, 89, 31);
/* oklch */ color: oklch(56.6% 0.136 48.7);

Tailwind

colors: {
  custom: {
    50: '#d28960',
    500: '#b4591f',
    950: '#000000',
  },
}

SCSS

$custom: #b4591f;
$custom-light: #d28960;
$custom-dark: #000000;

JSON

{
  "hex": "#b4591f",
  "rgb": {
    "r": 180,
    "g": 89,
    "b": 31
  },
  "hsl": {
    "h": 23.356,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.56582,
    "c": 0.13623,
    "h": 48.7
  },
  "luminance": 0.16947
}

Semantic roles & 50–950 ramp

primary

#B4591F

secondary

#64A3CB

accent

#A8ED3A

background

#FDF8F5

surface

#FBF0EA

border

#D4CBC6

text

#150C05

muted

#837D79

Preview Lab

Preview with #B4591F

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

Preview Lab → · Contrast checker → · Palette generator →