#B4473F#B4473F
#B4473F is a mid, vivid red. Relative luminance 0.146; OKLCH L 54.3% C 0.144 H 27.1°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).
Color values
| HEX | #B4473F |
|---|---|
| RGB | rgb(180, 71, 63) |
| HSL | hsl(4, 48%, 48%) |
| HSV | hsv(4, 65%, 71%) |
| CMYK | cmyk(0%, 60.6%, 65%, 29.4%) |
| CIE-LAB | lab(45.04, 43.77, 27.66) |
| CIE-LCH | lch(45.04, 51.77, 32.29°) |
| OKLab | oklab(54.3% 0.1279 0.0654) |
| OKLCH | oklch(54.3% 0.144 27.1) |
| XYZ | xyz(21.9749, 14.5716, 6.3571) |
| Luminance | 0.1457 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 2.36
Reddish
#C44240
ΔE00 3.17
Dusty Red
#B9484E
ΔE00 4.72
Dark Coral
#CF524E
ΔE00 6.89
Firebrick
#B22222
ΔE00 6.92
Cardinal
#C41E3A
ΔE00 6.96
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B4473F #3FACB4
analogous
#B43F71 #B4473F #B4823F
triadic
#B4473F #3FB447 #473FB4
tetradic
#B4473F #71B43F #3FACB4 #823FB4
square
#B4473F #71B43F #3FACB4 #823FB4
split-complementary
#B4473F #3FB482 #3F71B4
monochromatic
#59231F #87352F #B4473F #CA6D67 #DA9994
Accessibility & contrast
On white
5.37
#B4473F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.91
#B4473F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B4473F
5.37:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B4473F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B4473F | 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)
#635C3E
Deuteranopia (green-blind)
#7F733C
Tritanopia (blue-blind)
#C53146
Achromatopsia (no color)
#6B6B6B
Design tokens & code
CSS
--color: #b4473f; /* rgb */ color: rgb(180, 71, 63); /* oklch */ color: oklch(54.3% 0.144 27.1);
Tailwind
colors: {
custom: {
50: '#d17f74',
500: '#b4473f',
950: '#000000',
},
}SCSS
$custom: #b4473f; $custom-light: #d17f74; $custom-dark: #000000;
JSON
{
"hex": "#b4473f",
"rgb": {
"r": 180,
"g": 71,
"b": 63
},
"hsl": {
"h": 4.103,
"s": 48.148,
"l": 47.647
},
"oklch": {
"l": 0.54297,
"c": 0.14363,
"h": 27.1
},
"luminance": 0.14569
}Semantic roles & 50–950 ramp
primary
#B4473F
secondary
#8AC1C5
accent
#CED850
background
#FDF7F7
surface
#FBEEED
border
#D4C9C8
text
#150A08
muted
#837C7B