#B0512A#B0512A
#B0512A is a mid, vivid orange. Relative luminance 0.153; OKLCH L 54.8% C 0.135 H 41.5°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).
Color values
| HEX | #B0512A |
|---|---|
| RGB | rgb(176, 81, 42) |
| HSL | hsl(17, 61%, 43%) |
| HSV | hsv(17, 76%, 69%) |
| CMYK | cmyk(0%, 54%, 76.1%, 31%) |
| CIE-LAB | lab(46.02, 36.21, 40.34) |
| CIE-LCH | lch(46.02, 54.21, 48.08°) |
| OKLab | oklab(54.83% 0.1009 0.0894) |
| OKLCH | oklch(54.83% 0.135 41.5) |
| XYZ | xyz(21.2670, 15.2848, 4.0204) |
| Luminance | 0.1528 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Sienna
#A0522D
ΔE00 3.55
Rust
#B7410E
ΔE00 4.25
Burnt Sienna
#B04E0F
ΔE00 4.69
Brick Orange
#C14A09
ΔE00 5.05
Sienna (survey)
#A9561E
ΔE00 5.19
Rust (survey)
#A83C09
ΔE00 5.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B0512A #2A89B0
analogous
#B02A46 #B0512A #B0942A
triadic
#B0512A #2AB051 #512AB0
tetradic
#B0512A #46B02A #2A89B0 #942AB0
square
#B0512A #46B02A #2A89B0 #942AB0
split-complementary
#B0512A #2AB094 #2A46B0
monochromatic
#4D2412 #7F3A1E #B0512A #D36E45 #DE9476
Accessibility & contrast
On white
5.18
#B0512A on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.06
#B0512A on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B0512A
5.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B0512A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B0512A | 1.00 | 5.18 | 4.06 | 5.18 |
| #FFFFFF | 5.18 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.06 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.18 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6B6025
Deuteranopia (green-blind)
#827528
Tritanopia (blue-blind)
#C13D49
Achromatopsia (no color)
#6D6D6D
Design tokens & code
CSS
--color: #b0512a; /* rgb */ color: rgb(176, 81, 42); /* oklch */ color: oklch(54.8% 0.135 41.5);
Tailwind
colors: {
custom: {
50: '#ce8466',
500: '#b0512a',
950: '#000000',
},
}SCSS
$custom: #b0512a; $custom-light: #ce8466; $custom-dark: #000000;
JSON
{
"hex": "#b0512a",
"rgb": {
"r": 176,
"g": 81,
"b": 42
},
"hsl": {
"h": 17.463,
"s": 61.468,
"l": 42.745
},
"oklch": {
"l": 0.54828,
"c": 0.13484,
"h": 41.5
},
"luminance": 0.15282
}Semantic roles & 50–950 ramp
primary
#B0512A
secondary
#70ADC6
accent
#B6E543
background
#FDF8F6
surface
#FBEFEB
border
#D4CAC6
text
#150B06
muted
#837C7A