#B3512A#B3512A
#B3512A is a mid, vivid orange. Relative luminance 0.156; OKLCH L 55.3% C 0.138 H 41.0°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).
Color values
| HEX | #B3512A |
|---|---|
| RGB | rgb(179, 81, 42) |
| HSL | hsl(17, 62%, 43%) |
| HSV | hsv(17, 77%, 70%) |
| CMYK | cmyk(0%, 54.7%, 76.5%, 29.8%) |
| CIE-LAB | lab(46.50, 37.39, 40.98) |
| CIE-LCH | lch(46.50, 55.47, 47.62°) |
| OKLab | oklab(55.28% 0.1043 0.0906) |
| OKLCH | oklch(55.28% 0.138 41) |
| XYZ | xyz(21.9530, 15.6386, 4.0526) |
| Luminance | 0.1564 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Rust
#B7410E
ΔE00 4.18
Sienna
#A0522D
ΔE00 4.20
Brick Orange
#C14A09
ΔE00 4.76
Burnt Sienna
#B04E0F
ΔE00 4.90
Sienna (survey)
#A9561E
ΔE00 5.55
Burnt Orange
#C04E01
ΔE00 5.90
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B3512A #2A8CB3
analogous
#B32A48 #B3512A #B3952A
triadic
#B3512A #2AB351 #512AB3
tetradic
#B3512A #48B32A #2A8CB3 #952AB3
square
#B3512A #48B32A #2A8CB3 #952AB3
split-complementary
#B3512A #2AB395 #2A48B3
monochromatic
#502413 #813B1E #B3512A #D46F46 #DF9578
Accessibility & contrast
On white
5.09
#B3512A on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.13
#B3512A on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B3512A
5.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B3512A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B3512A | 1.00 | 5.09 | 4.13 | 5.09 |
| #FFFFFF | 5.09 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.13 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.09 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6C6125
Deuteranopia (green-blind)
#847627
Tritanopia (blue-blind)
#C53C49
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #b3512a; /* rgb */ color: rgb(179, 81, 42); /* oklch */ color: oklch(55.3% 0.138 41.0);
Tailwind
colors: {
custom: {
50: '#d18466',
500: '#b3512a',
950: '#000000',
},
}SCSS
$custom: #b3512a; $custom-light: #d18466; $custom-dark: #000000;
JSON
{
"hex": "#b3512a",
"rgb": {
"r": 179,
"g": 81,
"b": 42
},
"hsl": {
"h": 17.08,
"s": 61.991,
"l": 43.333
},
"oklch": {
"l": 0.55283,
"c": 0.13814,
"h": 41
},
"luminance": 0.15636
}Semantic roles & 50–950 ramp
primary
#B3512A
secondary
#72AFC7
accent
#B7E543
background
#FDF8F6
surface
#FBEFEB
border
#D4CAC6
text
#150B06
muted
#837C7A