#B15131#B15131
#B15131 is a mid, vivid orange. Relative luminance 0.155; OKLCH L 55.1% C 0.134 H 38.7°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).
Color values
| HEX | #B15131 |
|---|---|
| RGB | rgb(177, 81, 49) |
| HSL | hsl(15, 57%, 44%) |
| HSV | hsv(15, 72%, 69%) |
| CMYK | cmyk(0%, 54.2%, 72.3%, 30.6%) |
| CIE-LAB | lab(46.25, 36.93, 36.93) |
| CIE-LCH | lch(46.25, 52.23, 45.00°) |
| OKLab | oklab(55.06% 0.1043 0.0836) |
| OKLCH | oklch(55.06% 0.134 38.7) |
| XYZ | xyz(21.6304, 15.4565, 4.7495) |
| Luminance | 0.1545 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Sienna
#A0522D
ΔE00 4.38
Rust
#B7410E
ΔE00 5.29
Brick Orange
#C14A09
ΔE00 6.46
Burnt Sienna
#B04E0F
ΔE00 6.65
Rust (survey)
#A83C09
ΔE00 6.83
Sienna (survey)
#A9561E
ΔE00 7.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B15131 #3191B1
analogous
#B13151 #B15131 #B19131
triadic
#B15131 #31B151 #5131B1
tetradic
#B15131 #51B131 #3191B1 #9131B1
square
#B15131 #51B131 #3191B1 #9131B1
split-complementary
#B15131 #31B191 #3151B1
monochromatic
#512516 #813B24 #B15131 #CF7051 #DC9780
Accessibility & contrast
On white
5.13
#B15131 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.09
#B15131 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B15131
5.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B15131 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B15131 | 1.00 | 5.13 | 4.09 | 5.13 |
| #FFFFFF | 5.13 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.09 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.13 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6B602D
Deuteranopia (green-blind)
#83762F
Tritanopia (blue-blind)
#C23D4A
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #b15131; /* rgb */ color: rgb(177, 81, 49); /* oklch */ color: oklch(55.1% 0.134 38.7);
Tailwind
colors: {
custom: {
50: '#cf846a',
500: '#b15131',
950: '#000000',
},
}SCSS
$custom: #b15131; $custom-light: #cf846a; $custom-dark: #000000;
JSON
{
"hex": "#b15131",
"rgb": {
"r": 177,
"g": 81,
"b": 49
},
"hsl": {
"h": 15,
"s": 56.637,
"l": 44.314
},
"oklch": {
"l": 0.55058,
"c": 0.13368,
"h": 38.7
},
"luminance": 0.15454
}Semantic roles & 50–950 ramp
primary
#B15131
secondary
#79B2C5
accent
#BAE048
background
#FDF8F6
surface
#FBEFEB
border
#D4CAC6
text
#150B06
muted
#837C7A