#B3781A#B3781A

#B3781A is a mid, vivid orange. Relative luminance 0.231; OKLCH L 61.9% C 0.124 H 72.4°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#B3781A
RGB	rgb(179, 120, 26)
HSL	hsl(37, 75%, 40%)
HSV	hsv(37, 85%, 70%)
CMYK	cmyk(0%, 33%, 85.5%, 29.8%)
CIE-LAB	lab(55.17, 15.70, 55.71)
CIE-LCH	lch(55.17, 57.88, 74.26°)
OKLab	oklab(61.93% 0.0375 0.1184)
OKLCH	oklch(61.93% 0.124 72.4)
XYZ	xyz(25.4954, 23.0936, 4.0919)
Luminance	0.2309 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3781A #1A55B3

analogous

#B32C1A #B3781A #A1B31A

triadic

#B3781A #1AB378 #781AB3

tetradic

#B3781A #1AB32C #1A55B3 #B31AA1

square

#B3781A #1AB32C #1A55B3 #B31AA1

split-complementary

#B3781A #1AA1B3 #2C1AB3

monochromatic

#48300A #7E5412 #B3781A #E09A2A #E8B360

Accessibility & contrast

On white

3.74

#B3781A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.62

#B3781A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3781A

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3781A	#FFFFFF	#000000	##000000
##B3781A	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)

#8C7C00

Deuteranopia (green-blind)

#9A8A1E

Tritanopia (blue-blind)

#C46967

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #b3781a;
/* rgb */ color: rgb(179, 120, 26);
/* oklch */ color: oklch(61.9% 0.124 72.4);

Tailwind

colors: {
  custom: {
    50: '#cf9e61',
    500: '#b3781a',
    950: '#000000',
  },
}

SCSS

$custom: #b3781a;
$custom-light: #cf9e61;
$custom-dark: #000000;

JSON

{
  "hex": "#b3781a",
  "rgb": {
    "r": 179,
    "g": 120,
    "b": 26
  },
  "hsl": {
    "h": 36.863,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.61927,
    "c": 0.12423,
    "h": 72.4
  },
  "luminance": 0.23091
}

Semantic roles & 50–950 ramp

primary

#B3781A

secondary

#5D88CC

accent

#7FF137

background

#FDF9F6

surface

#FBF2EB

border

#D4CCC6

text

#150E05

muted

#837E7A

Preview Lab

Preview with #B3781A

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

Preview Lab → · Contrast checker → · Palette generator →