#6B381C#6B381C

#6B381C is a dark, moderate orange. Relative luminance 0.060; OKLCH L 40.0% C 0.083 H 47.7°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX#6B381C
RGBrgb(107, 56, 28)
HSLhsl(21, 59%, 26%)
HSVhsv(21, 74%, 42%)
CMYKcmyk(0%, 47.7%, 73.8%, 58%)
CIE-LABlab(29.51, 20.07, 26.97)
CIE-LCHlch(29.51, 33.61, 53.34°)
OKLaboklab(39.98% 0.0558 0.0613)
OKLCHoklch(39.98% 0.083 47.7)
XYZxyz(7.6878, 6.0388, 1.8591)
Luminance0.0604 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6B381C #1C4F6B
analogous
#6B1C28 #6B381C #6B601C
triadic
#6B381C #1C6B38 #381C6B
tetradic
#6B381C #286B1C #1C4F6B #601C6B
square
#6B381C #286B1C #1C4F6B #601C6B
split-complementary
#6B381C #1C6B60 #1C286B
monochromatic
#180D06 #3A1F0F #6B381C #9C5129 #CB6B37

Accessibility & contrast

On white

9.51
#6B381C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.21
#6B381C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B381C
9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6B381C#FFFFFF#000000##FFFFFF
##6B381C1.009.512.219.51
#FFFFFF9.511.0021.001.00
#0000002.2121.001.0021.00
##FFFFFF9.511.0021.001.00

Color blindness preview

Protanopia (red-blind)
#463F19
Deuteranopia (green-blind)
#524A1B
Tritanopia (blue-blind)
#752E32
Achromatopsia (no color)
#464646

Design tokens & code

CSS
--color: #6b381c;
/* rgb */ color: rgb(107, 56, 28);
/* oklch */ color: oklch(40.0% 0.083 47.7);
Tailwind
colors: {
  custom: {
    50: '#9a6f59',
    500: '#6b381c',
    950: '#000000',
  },
}
SCSS
$custom: #6b381c;
$custom-light: #9a6f59;
$custom-dark: #000000;
JSON
{
  "hex": "#6b381c",
  "rgb": {
    "r": 107,
    "g": 56,
    "b": 28
  },
  "hsl": {
    "h": 21.266,
    "s": 58.519,
    "l": 26.471
  },
  "oklch": {
    "l": 0.39982,
    "c": 0.08294,
    "h": 47.7
  },
  "luminance": 0.06038
}

Semantic roles & 50–950 ramp

primary
#6B381C
secondary
#437FA0
accent
#ABE246
background
#F9F6F5
surface
#F2ECE9
border
#CCC7C5
text
#0F0703
muted
#7E7A78

Preview Lab

Preview with #6B381C

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

Preview Lab → · Contrast checker → · Palette generator →

#6B381C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva