#B54730#B54730
#B54730 is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.2% C 0.148 H 33.5°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).
Color values
| HEX | #B54730 |
|---|---|
| RGB | rgb(181, 71, 48) |
| HSL | hsl(10, 58%, 45%) |
| HSV | hsv(10, 73%, 71%) |
| CMYK | cmyk(0%, 60.8%, 73.5%, 29%) |
| CIE-LAB | lab(45.01, 43.31, 36.28) |
| CIE-LCH | lch(45.01, 56.50, 39.95°) |
| OKLab | oklab(54.24% 0.1234 0.0818) |
| OKLCH | oklch(54.24% 0.148 33.5) |
| XYZ | xyz(21.8451, 14.5466, 4.4532) |
| Luminance | 0.1454 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 6.09
Rusty Red
#AF2F0D
ΔE00 6.24
Reddish
#C44240
ΔE00 6.30
Rust
#B7410E
ΔE00 6.36
Brownish Red
#9E3623
ΔE00 6.42
Dull Red
#BB3F3F
ΔE00 6.49
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B54730 #309EB5
analogous
#B5305B #B54730 #B58A30
triadic
#B54730 #30B547 #4730B5
tetradic
#B54730 #5BB530 #309EB5 #8A30B5
square
#B54730 #5BB530 #309EB5 #8A30B5
split-complementary
#B54730 #30B58A #305BB5
monochromatic
#542116 #853423 #B54730 #D16751 #DE9282
Accessibility & contrast
On white
5.37
#B54730 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.91
#B54730 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B54730
5.37:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B54730 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B54730 | 1.00 | 5.37 | 3.91 | 5.37 |
| #FFFFFF | 5.37 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.91 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.37 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#655B2D
Deuteranopia (green-blind)
#80742D
Tritanopia (blue-blind)
#C72E42
Achromatopsia (no color)
#6A6A6A
Design tokens & code
CSS
--color: #b54730; /* rgb */ color: rgb(181, 71, 48); /* oklch */ color: oklch(54.2% 0.148 33.5);
Tailwind
colors: {
custom: {
50: '#d27e69',
500: '#b54730',
950: '#000000',
},
}SCSS
$custom: #b54730; $custom-light: #d27e69; $custom-dark: #000000;
JSON
{
"hex": "#b54730",
"rgb": {
"r": 181,
"g": 71,
"b": 48
},
"hsl": {
"h": 10.376,
"s": 58.079,
"l": 44.902
},
"oklch": {
"l": 0.54237,
"c": 0.14805,
"h": 33.5
},
"luminance": 0.14544
}Semantic roles & 50–950 ramp
primary
#B54730
secondary
#7ABAC7
accent
#C7E146
background
#FDF7F6
surface
#FBEEEB
border
#D4C9C6
text
#150A06
muted
#837C7A