#B72F30#B72F30
#B72F30 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.8% C 0.173 H 25.3°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).
Color values
| HEX | #B72F30 |
|---|---|
| RGB | rgb(183, 47, 48) |
| HSL | hsl(360, 59%, 45%) |
| HSV | hsv(360, 74%, 72%) |
| CMYK | cmyk(0%, 74.3%, 73.8%, 28.2%) |
| CIE-LAB | lab(41.72, 53.88, 32.68) |
| CIE-LCH | lch(41.72, 63.02, 31.23°) |
| OKLab | oklab(51.84% 0.1563 0.0738) |
| OKLCH | oklch(51.84% 0.173 25.3) |
| XYZ | xyz(21.0809, 12.3170, 4.0631) |
| Luminance | 0.1231 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 3.10
Dull Red
#BB3F3F
ΔE00 3.60
Brown
#A52A2A
ΔE00 3.88
Lipstick Red
#C0022F
ΔE00 4.23
Scarlet
#BE0119
ΔE00 4.50
Cardinal
#C41E3A
ΔE00 4.67
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B72F30 #2FB7B6
analogous
#B72F74 #B72F30 #B7722F
triadic
#B72F30 #30B72F #2F30B7
tetradic
#B72F30 #74B72F #2FB7B6 #722FB7
square
#B72F30 #74B72F #2FB7B6 #722FB7
split-complementary
#B72F30 #2FB772 #2F74B7
monochromatic
#561616 #862223 #B72F30 #D25152 #DF8282
Accessibility & contrast
On white
6.06
#B72F30 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.46
#B72F30 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B72F30
6.06:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B72F30 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B72F30 | 1.00 | 6.06 | 3.46 | 6.06 |
| #FFFFFF | 6.06 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.46 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.06 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#57502F
Deuteranopia (green-blind)
#796D2B
Tritanopia (blue-blind)
#C90031
Achromatopsia (no color)
#626262
Design tokens & code
CSS
--color: #b72f30; /* rgb */ color: rgb(183, 47, 48); /* oklch */ color: oklch(51.8% 0.173 25.3);
Tailwind
colors: {
custom: {
50: '#d57268',
500: '#b72f30',
950: '#000000',
},
}SCSS
$custom: #b72f30; $custom-light: #d57268; $custom-dark: #000000;
JSON
{
"hex": "#b72f30",
"rgb": {
"r": 183,
"g": 47,
"b": 48
},
"hsl": {
"h": 359.559,
"s": 59.13,
"l": 45.098
},
"oklch": {
"l": 0.51835,
"c": 0.17287,
"h": 25.3
},
"luminance": 0.12314
}Semantic roles & 50–950 ramp
primary
#B72F30
secondary
#7AC8C7
accent
#E2E145
background
#FEF7F6
surface
#FCEDEB
border
#D5C8C6
text
#160906
muted
#847B7A