#B3552F#B3552F
#B3552F is a mid, vivid orange. Relative luminance 0.163; OKLCH L 55.9% C 0.133 H 41.5°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).
Color values
| HEX | #B3552F |
|---|---|
| RGB | rgb(179, 85, 47) |
| HSL | hsl(17, 58%, 44%) |
| HSV | hsv(17, 74%, 70%) |
| CMYK | cmyk(0%, 52.5%, 73.7%, 29.8%) |
| CIE-LAB | lab(47.35, 35.57, 39.29) |
| CIE-LCH | lch(47.35, 53.00, 47.85°) |
| OKLab | oklab(55.95% 0.0996 0.0881) |
| OKLCH | oklch(55.95% 0.133 41.5) |
| XYZ | xyz(22.3541, 16.2887, 4.6556) |
| Luminance | 0.1629 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Sienna
#A0522D
ΔE00 4.30
Rust
#B7410E
ΔE00 5.23
Brick Orange
#C14A09
ΔE00 5.27
Burnt Sienna
#B04E0F
ΔE00 5.33
Sienna (survey)
#A9561E
ΔE00 5.50
Burnt Orange
#C04E01
ΔE00 6.19
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B3552F #2F8DB3
analogous
#B32F4B #B3552F #B3972F
triadic
#B3552F #2FB355 #552FB3
tetradic
#B3552F #4BB32F #2F8DB3 #972FB3
square
#B3552F #4BB32F #2F8DB3 #972FB3
split-complementary
#B3552F #2FB397 #2F4BB3
monochromatic
#522716 #833E22 #B3552F #D1744F #DD9A7F
Accessibility & contrast
On white
4.93
#B3552F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.26
#B3552F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B3552F
4.93:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B3552F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B3552F | 1.00 | 4.93 | 4.26 | 4.93 |
| #FFFFFF | 4.93 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.26 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.93 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6F632B
Deuteranopia (green-blind)
#86782D
Tritanopia (blue-blind)
#C4414D
Achromatopsia (no color)
#707070
Design tokens & code
CSS
--color: #b3552f; /* rgb */ color: rgb(179, 85, 47); /* oklch */ color: oklch(55.9% 0.133 41.5);
Tailwind
colors: {
custom: {
50: '#d08769',
500: '#b3552f',
950: '#000000',
},
}SCSS
$custom: #b3552f; $custom-light: #d08769; $custom-dark: #000000;
JSON
{
"hex": "#b3552f",
"rgb": {
"r": 179,
"g": 85,
"b": 47
},
"hsl": {
"h": 17.273,
"s": 58.407,
"l": 44.314
},
"oklch": {
"l": 0.55949,
"c": 0.13299,
"h": 41.5
},
"luminance": 0.16286
}Semantic roles & 50–950 ramp
primary
#B3552F
secondary
#78B0C6
accent
#B5E246
background
#FDF8F6
surface
#FBF0EB
border
#D4CBC6
text
#150B06
muted
#837C7A