#B3781C#B3781C

#B3781C is a mid, vivid orange. Relative luminance 0.231; OKLCH L 61.9% C 0.123 H 72.1°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#B3781C
RGB	rgb(179, 120, 28)
HSL	hsl(37, 73%, 41%)
HSV	hsv(37, 84%, 70%)
CMYK	cmyk(0%, 33%, 84.4%, 29.8%)
CIE-LAB	lab(55.18, 15.76, 55.07)
CIE-LCH	lch(55.18, 57.28, 74.03°)
OKLab	oklab(61.94% 0.0379 0.1175)
OKLCH	oklch(61.94% 0.123 72.1)
XYZ	xyz(25.5185, 23.1028, 4.2137)
Luminance	0.2310 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3781C #1C57B3

analogous

#B32C1C #B3781C #A2B31C

triadic

#B3781C #1CB378 #781CB3

tetradic

#B3781C #1CB32C #1C57B3 #B31CA2

square

#B3781C #1CB32C #1C57B3 #B31CA2

split-complementary

#B3781C #1CA2B3 #2C1CB3

monochromatic

#49310B #7E5514 #B3781C #DE992E #E7B363

Accessibility & contrast

On white

3.74

#B3781C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.62

#B3781C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3781C

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3781C	#FFFFFF	#000000	##000000
##B3781C	1.00	3.74	5.62	5.62
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.62	21.00	1.00	1.00
##000000	5.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7C05

Deuteranopia (green-blind)

#9A8A1F

Tritanopia (blue-blind)

#C46967

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #b3781c;
/* rgb */ color: rgb(179, 120, 28);
/* oklch */ color: oklch(61.9% 0.123 72.1);

Tailwind

colors: {
  custom: {
    50: '#cf9e62',
    500: '#b3781c',
    950: '#000000',
  },
}

SCSS

$custom: #b3781c;
$custom-light: #cf9e62;
$custom-dark: #000000;

JSON

{
  "hex": "#b3781c",
  "rgb": {
    "r": 179,
    "g": 120,
    "b": 28
  },
  "hsl": {
    "h": 36.556,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.61938,
    "c": 0.12346,
    "h": 72.1
  },
  "luminance": 0.231
}

Semantic roles & 50–950 ramp

primary

#B3781C

secondary

#5F8ACB

accent

#80F038

background

#FDF9F6

surface

#FBF2EB

border

#D4CCC6

text

#150E05

muted

#837E7A

Preview Lab

Preview with #B3781C

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

Preview Lab → · Contrast checker → · Palette generator →