#B43D2B#B43D2B
#B43D2B is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.7% C 0.158 H 31.3°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).
Color values
| HEX | #B43D2B |
|---|---|
| RGB | rgb(180, 61, 43) |
| HSL | hsl(8, 61%, 44%) |
| HSV | hsv(8, 76%, 71%) |
| CMYK | cmyk(0%, 66.1%, 76.1%, 29.4%) |
| CIE-LAB | lab(43.09, 47.23, 36.90) |
| CIE-LCH | lch(43.09, 59.94, 38.00°) |
| OKLab | oklab(52.74% 0.1348 0.082) |
| OKLCH | oklch(52.74% 0.158 31.3) |
| XYZ | xyz(20.9295, 13.2182, 3.7343) |
| Luminance | 0.1321 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 4.54
Firebrick
#B22222
ΔE00 4.82
Brownish Red
#9E3623
ΔE00 4.91
Rusty Red
#AF2F0D
ΔE00 5.30
Dull Red
#BB3F3F
ΔE00 5.71
Scarlet
#BE0119
ΔE00 5.93
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B43D2B #2BA2B4
analogous
#B42B5D #B43D2B #B4812B
triadic
#B43D2B #2BB43D #3D2BB4
tetradic
#B43D2B #5DB42B #2BA2B4 #812BB4
square
#B43D2B #5DB42B #2BA2B4 #812BB4
split-complementary
#B43D2B #2BB481 #2B5DB4
monochromatic
#511C13 #832C1F #B43D2B #D35B49 #DF877A
Accessibility & contrast
On white
5.76
#B43D2B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.64
#B43D2B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B43D2B
5.76:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B43D2B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B43D2B | 1.00 | 5.76 | 3.64 | 5.76 |
| #FFFFFF | 5.76 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.64 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.76 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F5528
Deuteranopia (green-blind)
#7C6F27
Tritanopia (blue-blind)
#C61B3A
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #b43d2b; /* rgb */ color: rgb(180, 61, 43); /* oklch */ color: oklch(52.7% 0.158 31.3);
Tailwind
colors: {
custom: {
50: '#d27965',
500: '#b43d2b',
950: '#000000',
},
}SCSS
$custom: #b43d2b; $custom-light: #d27965; $custom-dark: #000000;
JSON
{
"hex": "#b43d2b",
"rgb": {
"r": 180,
"g": 61,
"b": 43
},
"hsl": {
"h": 7.883,
"s": 61.435,
"l": 43.725
},
"oklch": {
"l": 0.52743,
"c": 0.15773,
"h": 31.3
},
"luminance": 0.13215
}Semantic roles & 50–950 ramp
primary
#B43D2B
secondary
#73BCC7
accent
#CFE543
background
#FEF7F6
surface
#FCEEEB
border
#D5C9C6
text
#160906
muted
#847B7A