#B3641F#B3641F

#B3641F is a mid, vivid orange. Relative luminance 0.188; OKLCH L 58.3% C 0.128 H 56.4°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#B3641F
RGB	rgb(179, 100, 31)
HSL	hsl(28, 70%, 41%)
HSV	hsv(28, 83%, 70%)
CMYK	cmyk(0%, 44.1%, 82.7%, 29.8%)
CIE-LAB	lab(50.45, 26.93, 49.84)
CIE-LCH	lch(50.45, 56.65, 61.61°)
OKLab	oklab(58.28% 0.071 0.1068)
OKLCH	oklch(58.28% 0.128 56.4)
XYZ	xyz(23.3971, 18.7996, 3.6926)
Luminance	0.1880 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3641F #1F6EB3

analogous

#B31F24 #B3641F #B3AE1F

triadic

#B3641F #1FB364 #641FB3

tetradic

#B3641F #24B31F #1F6EB3 #AE1FB3

square

#B3641F #24B31F #1F6EB3 #AE1FB3

split-complementary

#B3641F #1FB3AE #1F24B3

monochromatic

#4B2A0D #7F4716 #B3641F #DC8233 #E5A268

Accessibility & contrast

On white

4.41

#B3641F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#B3641F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3641F

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3641F	#FFFFFF	#000000	##000000
##B3641F	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C6D13

Deuteranopia (green-blind)

#8E7F1F

Tritanopia (blue-blind)

#C45257

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #b3641f;
/* rgb */ color: rgb(179, 100, 31);
/* oklch */ color: oklch(58.3% 0.128 56.4);

Tailwind

colors: {
  custom: {
    50: '#d09161',
    500: '#b3641f',
    950: '#000000',
  },
}

SCSS

$custom: #b3641f;
$custom-light: #d09161;
$custom-dark: #000000;

JSON

{
  "hex": "#b3641f",
  "rgb": {
    "r": 179,
    "g": 100,
    "b": 31
  },
  "hsl": {
    "h": 27.973,
    "s": 70.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.58283,
    "c": 0.12827,
    "h": 56.4
  },
  "luminance": 0.18797
}

Semantic roles & 50–950 ramp

primary

#B3641F

secondary

#649ACA

accent

#9AED3B

background

#FDF8F5

surface

#FBF0EA

border

#D4CBC6

text

#150C05

muted

#837D79

Preview Lab

Preview with #B3641F

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

Preview Lab → · Contrast checker → · Palette generator →