#B15128#B15128
#B15128 is a mid, vivid orange. Relative luminance 0.154; OKLCH L 55.0% C 0.137 H 42.0°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).
Color values
| HEX | #B15128 |
|---|---|
| RGB | rgb(177, 81, 40) |
| HSL | hsl(18, 63%, 43%) |
| HSV | hsv(18, 77%, 69%) |
| CMYK | cmyk(0%, 54.2%, 77.4%, 30.6%) |
| CIE-LAB | lab(46.16, 36.52, 41.55) |
| CIE-LCH | lch(46.16, 55.32, 48.68°) |
| OKLab | oklab(54.96% 0.1015 0.0914) |
| OKLCH | oklch(54.96% 0.137 42) |
| XYZ | xyz(21.4590, 15.3879, 3.8472) |
| Luminance | 0.1538 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Sienna
#A0522D
ΔE00 3.74
Rust
#B7410E
ΔE00 4.05
Burnt Sienna
#B04E0F
ΔE00 4.25
Brick Orange
#C14A09
ΔE00 4.59
Sienna (survey)
#A9561E
ΔE00 4.86
Burnt Orange
#C04E01
ΔE00 5.57
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B15128 #2888B1
analogous
#B12844 #B15128 #B19528
triadic
#B15128 #28B151 #5128B1
tetradic
#B15128 #44B128 #2888B1 #9528B1
square
#B15128 #44B128 #2888B1 #9528B1
split-complementary
#B15128 #28B195 #2844B1
monochromatic
#4D2311 #7F3A1D #B15128 #D46E42 #E09474
Accessibility & contrast
On white
5.15
#B15128 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.08
#B15128 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B15128
5.15:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B15128 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B15128 | 1.00 | 5.15 | 4.08 | 5.15 |
| #FFFFFF | 5.15 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.08 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.15 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6C6023
Deuteranopia (green-blind)
#837525
Tritanopia (blue-blind)
#C23C48
Achromatopsia (no color)
#6D6D6D
Design tokens & code
CSS
--color: #b15128; /* rgb */ color: rgb(177, 81, 40); /* oklch */ color: oklch(55.0% 0.137 42.0);
Tailwind
colors: {
custom: {
50: '#cf8464',
500: '#b15128',
950: '#000000',
},
}SCSS
$custom: #b15128; $custom-light: #cf8464; $custom-dark: #000000;
JSON
{
"hex": "#b15128",
"rgb": {
"r": 177,
"g": 81,
"b": 40
},
"hsl": {
"h": 17.956,
"s": 63.134,
"l": 42.549
},
"oklch": {
"l": 0.54959,
"c": 0.13658,
"h": 42
},
"luminance": 0.15385
}Semantic roles & 50–950 ramp
primary
#B15128
secondary
#6EACC7
accent
#B5E642
background
#FDF8F6
surface
#FBEFEB
border
#D4CAC6
text
#150B06
muted
#837C7A