#B3741F#B3741F

#B3741F is a mid, vivid orange. Relative luminance 0.222; OKLCH L 61.2% C 0.123 H 68.5°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#B3741F
RGB	rgb(179, 116, 31)
HSL	hsl(34, 70%, 41%)
HSV	hsv(34, 83%, 70%)
CMYK	cmyk(0%, 35.2%, 82.7%, 29.8%)
CIE-LAB	lab(54.21, 18.08, 53.19)
CIE-LCH	lch(54.21, 56.17, 71.22°)
OKLab	oklab(61.19% 0.0449 0.1142)
OKLCH	oklch(61.19% 0.123 68.5)
XYZ	xyz(25.0852, 22.1758, 4.2553)
Luminance	0.2217 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3741F #1F5EB3

analogous

#B32A1F #B3741F #A8B31F

triadic

#B3741F #1FB374 #741FB3

tetradic

#B3741F #1FB32A #1F5EB3 #B31FA8

square

#B3741F #1FB32A #1F5EB3 #B31FA8

split-complementary

#B3741F #1FA8B3 #2A1FB3

monochromatic

#4B300D #7F5216 #B3741F #DC9433 #E5B068

Accessibility & contrast

On white

3.86

#B3741F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#B3741F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3741F

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3741F	#FFFFFF	#000000	##000000
##B3741F	1.00	3.86	5.43	5.43
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#89790E

Deuteranopia (green-blind)

#988821

Tritanopia (blue-blind)

#C46564

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #b3741f;
/* rgb */ color: rgb(179, 116, 31);
/* oklch */ color: oklch(61.2% 0.123 68.5);

Tailwind

colors: {
  custom: {
    50: '#cf9c63',
    500: '#b3741f',
    950: '#000000',
  },
}

SCSS

$custom: #b3741f;
$custom-light: #cf9c63;
$custom-dark: #000000;

JSON

{
  "hex": "#b3741f",
  "rgb": {
    "r": 179,
    "g": 116,
    "b": 31
  },
  "hsl": {
    "h": 34.459,
    "s": 70.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.61192,
    "c": 0.12268,
    "h": 68.5
  },
  "luminance": 0.22173
}

Semantic roles & 50–950 ramp

primary

#B3741F

secondary

#648FCA

accent

#87ED3B

background

#FDF9F6

surface

#FBF2EB

border

#D4CCC6

text

#150E06

muted

#837E7A

Preview Lab

Preview with #B3741F

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

Preview Lab → · Contrast checker → · Palette generator →