#B3701F#B3701F

#B3701F is a mid, vivid orange. Relative luminance 0.213; OKLCH L 60.4% C 0.124 H 65.4°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#B3701F
RGB	rgb(179, 112, 31)
HSL	hsl(33, 70%, 41%)
HSV	hsv(33, 83%, 70%)
CMYK	cmyk(0%, 37.4%, 82.7%, 29.8%)
CIE-LAB	lab(53.25, 20.31, 52.33)
CIE-LCH	lch(53.25, 56.13, 68.79°)
OKLab	oklab(60.44% 0.0515 0.1123)
OKLCH	oklch(60.44% 0.124 65.4)
XYZ	xyz(24.6340, 21.2735, 4.1049)
Luminance	0.2127 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3701F #1F62B3

analogous

#B3261F #B3701F #ACB31F

triadic

#B3701F #1FB370 #701FB3

tetradic

#B3701F #1FB326 #1F62B3 #B31FAC

square

#B3701F #1FB326 #1F62B3 #B31FAC

split-complementary

#B3701F #1FACB3 #261FB3

monochromatic

#4B2F0D #7F4F16 #B3701F #DC9033 #E5AC68

Accessibility & contrast

On white

4.00

#B3701F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#B3701F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3701F

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3701F	#FFFFFF	#000000	##000000
##B3701F	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85760F

Deuteranopia (green-blind)

#958521

Tritanopia (blue-blind)

#C46061

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #b3701f;
/* rgb */ color: rgb(179, 112, 31);
/* oklch */ color: oklch(60.4% 0.124 65.4);

Tailwind

colors: {
  custom: {
    50: '#d09962',
    500: '#b3701f',
    950: '#000000',
  },
}

SCSS

$custom: #b3701f;
$custom-light: #d09962;
$custom-dark: #000000;

JSON

{
  "hex": "#b3701f",
  "rgb": {
    "r": 179,
    "g": 112,
    "b": 31
  },
  "hsl": {
    "h": 32.838,
    "s": 70.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.60443,
    "c": 0.12351,
    "h": 65.4
  },
  "luminance": 0.21271
}

Semantic roles & 50–950 ramp

primary

#B3701F

secondary

#6492CA

accent

#8BED3B

background

#FDF9F6

surface

#FBF2EB

border

#D4CCC6

text

#150E05

muted

#837E7A

Preview Lab

Preview with #B3701F

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

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