#B15730#B15730
#B15730 is a mid, vivid orange. Relative luminance 0.164; OKLCH L 56.0% C 0.129 H 42.8°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).
Color values
| HEX | #B15730 |
|---|---|
| RGB | rgb(177, 87, 48) |
| HSL | hsl(18, 57%, 44%) |
| HSV | hsv(18, 73%, 69%) |
| CMYK | cmyk(0%, 50.8%, 72.9%, 30.6%) |
| CIE-LAB | lab(47.47, 33.77, 38.80) |
| CIE-LCH | lch(47.47, 51.44, 48.96°) |
| OKLab | oklab(55.98% 0.0945 0.0874) |
| OKLCH | oklch(55.98% 0.129 42.8) |
| XYZ | xyz(22.0752, 16.3796, 4.7948) |
| Luminance | 0.1638 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Sienna
#A0522D
ΔE00 3.99
Sienna (survey)
#A9561E
ΔE00 4.91
Burnt Sienna
#B04E0F
ΔE00 5.11
Brick Orange
#C14A09
ΔE00 5.48
Rust
#B7410E
ΔE00 5.69
Burnt Orange
#C04E01
ΔE00 6.15
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B15730 #308AB1
analogous
#B13049 #B15730 #B19830
triadic
#B15730 #30B157 #5730B1
tetradic
#B15730 #49B130 #308AB1 #9830B1
square
#B15730 #49B130 #308AB1 #9830B1
split-complementary
#B15730 #30B198 #3049B1
monochromatic
#512816 #813F23 #B15730 #CF764F #DC9B7F
Accessibility & contrast
On white
4.91
#B15730 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.28
#B15730 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B15730
4.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B15730 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B15730 | 1.00 | 4.91 | 4.28 | 4.91 |
| #FFFFFF | 4.91 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.28 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.91 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#70642C
Deuteranopia (green-blind)
#86782E
Tritanopia (blue-blind)
#C2444E
Achromatopsia (no color)
#717171
Design tokens & code
CSS
--color: #b15730; /* rgb */ color: rgb(177, 87, 48); /* oklch */ color: oklch(56.0% 0.129 42.8);
Tailwind
colors: {
custom: {
50: '#cf886a',
500: '#b15730',
950: '#000000',
},
}SCSS
$custom: #b15730; $custom-light: #cf886a; $custom-dark: #000000;
JSON
{
"hex": "#b15730",
"rgb": {
"r": 177,
"g": 87,
"b": 48
},
"hsl": {
"h": 18.14,
"s": 57.333,
"l": 44.118
},
"oklch": {
"l": 0.55981,
"c": 0.12871,
"h": 42.8
},
"luminance": 0.16377
}Semantic roles & 50–950 ramp
primary
#B15730
secondary
#78AEC5
accent
#B2E147
background
#FDF8F6
surface
#FBF0EB
border
#D4CBC6
text
#150B06
muted
#837C7A