#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 |
|---|---|
| RGB | rgb(107, 56, 28) |
| HSL | hsl(21, 59%, 26%) |
| HSV | hsv(21, 74%, 42%) |
| CMYK | cmyk(0%, 47.7%, 73.8%, 58%) |
| CIE-LAB | lab(29.51, 20.07, 26.97) |
| CIE-LCH | lch(29.51, 33.61, 53.34°) |
| OKLab | oklab(39.98% 0.0558 0.0613) |
| OKLCH | oklch(39.98% 0.083 47.7) |
| XYZ | xyz(7.6878, 6.0388, 1.8591) |
| Luminance | 0.0604 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Chestnut
#742802
ΔE00 6.02
Reddish Brown
#7F2B0A
ΔE00 6.88
Brown (survey)
#653700
ΔE00 7.15
Chocolate
#7B3F00
ΔE00 7.99
Rust Brown
#8B3103
ΔE00 8.45
Saddlebrown
#8B4513
ΔE00 8.56
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 |
|---|---|---|---|---|
| ##6B381C | 1.00 | 9.51 | 2.21 | 9.51 |
| #FFFFFF | 9.51 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.21 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.51 | 1.00 | 21.00 | 1.00 |
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