#A13B18#A13B18
#A13B18 is a mid, vivid orange. Relative luminance 0.108; OKLCH L 49.1% C 0.143 H 38.0°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).
Color values
| HEX | #A13B18 |
|---|---|
| RGB | rgb(161, 59, 24) |
| HSL | hsl(15, 74%, 36%) |
| HSV | hsv(15, 85%, 63%) |
| CMYK | cmyk(0%, 63.4%, 85.1%, 36.9%) |
| CIE-LAB | lab(39.20, 40.61, 41.71) |
| CIE-LCH | lch(39.20, 58.22, 45.77°) |
| OKLab | oklab(49.12% 0.1127 0.0881) |
| OKLCH | oklch(49.12% 0.143 38) |
| XYZ | xyz(16.4286, 10.7733, 2.0784) |
| Luminance | 0.1077 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Russet
#A13905
ΔE00 2.96
Rust (survey)
#A83C09
ΔE00 3.04
Rusty Red
#AF2F0D
ΔE00 3.31
Auburn
#9A3001
ΔE00 3.53
Rust Red
#AA2704
ΔE00 3.75
Brick
#A03623
ΔE00 4.18
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A13B18 #187EA1
analogous
#A1183A #A13B18 #A18018
triadic
#A13B18 #18A13B #3B18A1
tetradic
#A13B18 #3AA118 #187EA1 #8018A1
square
#A13B18 #3AA118 #187EA1 #8018A1
split-complementary
#A13B18 #18A180 #183AA1
monochromatic
#361408 #6C2710 #A13B18 #D64F20 #E5754F
Accessibility & contrast
On white
6.66
#A13B18 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.15
#A13B18 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A13B18
6.66:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A13B18 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A13B18 | 1.00 | 6.66 | 3.15 | 6.66 |
| #FFFFFF | 6.66 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.15 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.66 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#584E12
Deuteranopia (green-blind)
#716513
Tritanopia (blue-blind)
#B22034
Achromatopsia (no color)
#5C5C5C
Design tokens & code
CSS
--color: #a13b18; /* rgb */ color: rgb(161, 59, 24); /* oklch */ color: oklch(49.1% 0.143 38.0);
Tailwind
colors: {
custom: {
50: '#c57558',
500: '#a13b18',
950: '#000000',
},
}SCSS
$custom: #a13b18; $custom-light: #c57558; $custom-dark: #000000;
JSON
{
"hex": "#a13b18",
"rgb": {
"r": 161,
"g": 59,
"b": 24
},
"hsl": {
"h": 15.328,
"s": 74.054,
"l": 36.275
},
"oklch": {
"l": 0.49119,
"c": 0.14307,
"h": 38
},
"luminance": 0.10771
}Semantic roles & 50–950 ramp
primary
#A13B18
secondary
#4EA8C7
accent
#C1F137
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140903
muted
#837B78