#B45B2B#B45B2B
#B45B2B is a mid, vivid orange. Relative luminance 0.174; OKLCH L 57.0% C 0.131 H 46.5°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).
Color values
| HEX | #B45B2B |
|---|---|
| RGB | rgb(180, 91, 43) |
| HSL | hsl(21, 61%, 44%) |
| HSV | hsv(21, 76%, 71%) |
| CMYK | cmyk(0%, 49.4%, 76.1%, 29.4%) |
| CIE-LAB | lab(48.71, 32.65, 42.81) |
| CIE-LCH | lch(48.71, 53.84, 52.67°) |
| OKLab | oklab(57.01% 0.0899 0.0947) |
| OKLCH | oklch(57.01% 0.131 46.5) |
| XYZ | xyz(23.0017, 17.3627, 4.4251) |
| Luminance | 0.1736 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Sienna (survey)
#A9561E
ΔE00 3.63
Burnt Sienna
#B04E0F
ΔE00 4.34
Copper (survey)
#B66325
ΔE00 4.34
Burnt Siena
#B75203
ΔE00 4.60
Rust Orange
#C45508
ΔE00 4.72
Burnt Orange
#C04E01
ΔE00 4.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B45B2B #2B84B4
analogous
#B42B3F #B45B2B #B49F2B
triadic
#B45B2B #2BB45B #5B2BB4
tetradic
#B45B2B #3FB42B #2B84B4 #9F2BB4
square
#B45B2B #3FB42B #2B84B4 #9F2BB4
split-complementary
#B45B2B #2BB49F #2B3FB4
monochromatic
#512913 #83421F #B45B2B #D37949 #DF9E7A
Accessibility & contrast
On white
4.70
#B45B2B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.47
#B45B2B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B45B2B
4.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B45B2B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B45B2B | 1.00 | 4.70 | 4.47 | 4.70 |
| #FFFFFF | 4.70 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.47 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.70 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#746725
Deuteranopia (green-blind)
#8A7B29
Tritanopia (blue-blind)
#C54851
Achromatopsia (no color)
#747474
Design tokens & code
CSS
--color: #b45b2b; /* rgb */ color: rgb(180, 91, 43); /* oklch */ color: oklch(57.0% 0.131 46.5);
Tailwind
colors: {
custom: {
50: '#d18b67',
500: '#b45b2b',
950: '#000000',
},
}SCSS
$custom: #b45b2b; $custom-light: #d18b67; $custom-dark: #000000;
JSON
{
"hex": "#b45b2b",
"rgb": {
"r": 180,
"g": 91,
"b": 43
},
"hsl": {
"h": 21.022,
"s": 61.435,
"l": 43.725
},
"oklch": {
"l": 0.57007,
"c": 0.13061,
"h": 46.5
},
"luminance": 0.1736
}Semantic roles & 50–950 ramp
primary
#B45B2B
secondary
#73AAC7
accent
#ACE543
background
#FDF8F6
surface
#FBF0EB
border
#D4CBC6
text
#150C06
muted
#837D7A