#B45331#B45331
#B45331 is a mid, vivid orange. Relative luminance 0.161; OKLCH L 55.8% C 0.135 H 39.4°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).
Color values
| HEX | #B45331 |
|---|---|
| RGB | rgb(180, 83, 49) |
| HSL | hsl(16, 57%, 45%) |
| HSV | hsv(16, 73%, 71%) |
| CMYK | cmyk(0%, 53.9%, 72.8%, 29.4%) |
| CIE-LAB | lab(47.12, 37.09, 38.03) |
| CIE-LCH | lch(47.12, 53.12, 45.71°) |
| OKLab | oklab(55.81% 0.1045 0.0858) |
| OKLCH | oklch(55.81% 0.135 39.4) |
| XYZ | xyz(22.4722, 16.1144, 4.8321) |
| Luminance | 0.1611 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Sienna
#A0522D
ΔE00 4.75
Rust
#B7410E
ΔE00 5.32
Brick Orange
#C14A09
ΔE00 5.91
Burnt Sienna
#B04E0F
ΔE00 6.35
Sienna (survey)
#A9561E
ΔE00 6.72
Terra Cotta
#C9643B
ΔE00 6.90
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B45331 #3192B4
analogous
#B43150 #B45331 #B49531
triadic
#B45331 #31B453 #5331B4
tetradic
#B45331 #50B431 #3192B4 #9531B4
square
#B45331 #50B431 #3192B4 #9531B4
split-complementary
#B45331 #31B495 #3150B4
monochromatic
#542717 #843D24 #B45331 #D07352 #DD9A82
Accessibility & contrast
On white
4.97
#B45331 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.22
#B45331 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B45331
4.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B45331 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B45331 | 1.00 | 4.97 | 4.22 | 4.97 |
| #FFFFFF | 4.97 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.22 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.97 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6D622D
Deuteranopia (green-blind)
#85782F
Tritanopia (blue-blind)
#C53F4B
Achromatopsia (no color)
#707070
Design tokens & code
CSS
--color: #b45331; /* rgb */ color: rgb(180, 83, 49); /* oklch */ color: oklch(55.8% 0.135 39.4);
Tailwind
colors: {
custom: {
50: '#d1866b',
500: '#b45331',
950: '#000000',
},
}SCSS
$custom: #b45331; $custom-light: #d1866b; $custom-dark: #000000;
JSON
{
"hex": "#b45331",
"rgb": {
"r": 180,
"g": 83,
"b": 49
},
"hsl": {
"h": 15.573,
"s": 57.205,
"l": 44.902
},
"oklch": {
"l": 0.55814,
"c": 0.13521,
"h": 39.4
},
"luminance": 0.16112
}Semantic roles & 50–950 ramp
primary
#B45331
secondary
#7BB3C6
accent
#B9E047
background
#FDF8F6
surface
#FBEFEB
border
#D4CAC6
text
#150B06
muted
#837C7A