#B3781D#B3781D

#B3781D is a mid, vivid orange. Relative luminance 0.231; OKLCH L 61.9% C 0.123 H 72.0°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#B3781D
RGB	rgb(179, 120, 29)
HSL	hsl(36, 72%, 41%)
HSV	hsv(36, 84%, 70%)
CMYK	cmyk(0%, 33%, 83.8%, 29.8%)
CIE-LAB	lab(55.18, 15.79, 54.74)
CIE-LCH	lch(55.18, 56.97, 73.91°)
OKLab	oklab(61.94% 0.038 0.117)
OKLCH	oklch(61.94% 0.123 72)
XYZ	xyz(25.5307, 23.1077, 4.2778)
Luminance	0.2311 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3781D #1D58B3

analogous

#B32D1D #B3781D #A3B31D

triadic

#B3781D #1DB378 #781DB3

tetradic

#B3781D #1DB32D #1D58B3 #B31DA3

square

#B3781D #1DB32D #1D58B3 #B31DA3

split-complementary

#B3781D #1DA3B3 #2D1DB3

monochromatic

#4A310C #7E5514 #B3781D #DD9930 #E6B364

Accessibility & contrast

On white

3.74

#B3781D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.62

#B3781D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3781D

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3781D	#FFFFFF	#000000	##000000
##B3781D	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)

#8C7C07

Deuteranopia (green-blind)

#9A8A20

Tritanopia (blue-blind)

#C46967

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #b3781d;
/* rgb */ color: rgb(179, 120, 29);
/* oklch */ color: oklch(61.9% 0.123 72.0);

Tailwind

colors: {
  custom: {
    50: '#cf9e62',
    500: '#b3781d',
    950: '#000000',
  },
}

SCSS

$custom: #b3781d;
$custom-light: #cf9e62;
$custom-dark: #000000;

JSON

{
  "hex": "#b3781d",
  "rgb": {
    "r": 179,
    "g": 120,
    "b": 29
  },
  "hsl": {
    "h": 36.4,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.61943,
    "c": 0.12307,
    "h": 72
  },
  "luminance": 0.23105
}

Semantic roles & 50–950 ramp

primary

#B3781D

secondary

#618BCB

accent

#81EF39

background

#FDF9F6

surface

#FBF2EB

border

#D4CCC6

text

#150E05

muted

#837E7A

Preview Lab

Preview with #B3781D

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

Preview Lab → · Contrast checker → · Palette generator →