#B54F2F#B54F2F
#B54F2F is a mid, vivid red. Relative luminance 0.156; OKLCH L 55.3% C 0.141 H 37.8°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).
Color values
| HEX | #B54F2F |
|---|---|
| RGB | rgb(181, 79, 47) |
| HSL | hsl(14, 59%, 45%) |
| HSV | hsv(14, 74%, 71%) |
| CMYK | cmyk(0%, 56.4%, 74%, 29%) |
| CIE-LAB | lab(46.48, 39.40, 38.44) |
| CIE-LCH | lch(46.48, 55.04, 44.29°) |
| OKLab | oklab(55.35% 0.1111 0.0862) |
| OKLCH | oklch(55.35% 0.141 37.8) |
| XYZ | xyz(22.3674, 15.6239, 4.5266) |
| Luminance | 0.1562 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rust
#B7410E
ΔE00 4.97
Sienna
#A0522D
ΔE00 5.22
Brick Orange
#C14A09
ΔE00 6.17
Rust (survey)
#A83C09
ΔE00 6.85
Burnt Sienna
#B04E0F
ΔE00 6.87
Rusty Red
#AF2F0D
ΔE00 7.18
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B54F2F #2F95B5
analogous
#B52F52 #B54F2F #B5922F
triadic
#B54F2F #2FB54F #4F2FB5
tetradic
#B54F2F #52B52F #2F95B5 #922FB5
square
#B54F2F #52B52F #2F95B5 #922FB5
split-complementary
#B54F2F #2FB592 #2F52B5
monochromatic
#542516 #843A22 #B54F2F #D16F50 #DE9780
Accessibility & contrast
On white
5.09
#B54F2F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.12
#B54F2F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B54F2F
5.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B54F2F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B54F2F | 1.00 | 5.09 | 4.12 | 5.09 |
| #FFFFFF | 5.09 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.12 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.09 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6B602B
Deuteranopia (green-blind)
#84772C
Tritanopia (blue-blind)
#C73948
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #b54f2f; /* rgb */ color: rgb(181, 79, 47); /* oklch */ color: oklch(55.3% 0.141 37.8);
Tailwind
colors: {
custom: {
50: '#d28369',
500: '#b54f2f',
950: '#000000',
},
}SCSS
$custom: #b54f2f; $custom-light: #d28369; $custom-dark: #000000;
JSON
{
"hex": "#b54f2f",
"rgb": {
"r": 181,
"g": 79,
"b": 47
},
"hsl": {
"h": 14.328,
"s": 58.772,
"l": 44.706
},
"oklch": {
"l": 0.55347,
"c": 0.14064,
"h": 37.8
},
"luminance": 0.15621
}Semantic roles & 50–950 ramp
primary
#B54F2F
secondary
#79B4C7
accent
#BDE246
background
#FDF8F6
surface
#FBEFEB
border
#D4CAC6
text
#150B06
muted
#837C7A