#B72E31#B72E31
#B72E31 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.8% C 0.174 H 24.7°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).
Color values
| HEX | #B72E31 |
|---|---|
| RGB | rgb(183, 46, 49) |
| HSL | hsl(359, 60%, 45%) |
| HSV | hsv(359, 75%, 72%) |
| CMYK | cmyk(0%, 74.9%, 73.2%, 28.2%) |
| CIE-LAB | lab(41.60, 54.27, 31.96) |
| CIE-LCH | lch(41.60, 62.98, 30.49°) |
| OKLab | oklab(51.76% 0.1578 0.0725) |
| OKLCH | oklch(51.76% 0.174 24.7) |
| XYZ | xyz(21.0622, 12.2463, 4.1599) |
| Luminance | 0.1224 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 3.33
Dull Red
#BB3F3F
ΔE00 3.55
Brown
#A52A2A
ΔE00 3.84
Lipstick Red
#C0022F
ΔE00 3.85
Cardinal
#C41E3A
ΔE00 4.26
Scarlet
#BE0119
ΔE00 4.71
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B72E31 #2EB7B4
analogous
#B72E76 #B72E31 #B76F2E
triadic
#B72E31 #31B72E #2E31B7
tetradic
#B72E31 #76B72E #2EB7B4 #6F2EB7
square
#B72E31 #76B72E #2EB7B4 #6F2EB7
split-complementary
#B72E31 #2EB76F #2E76B7
monochromatic
#551517 #862224 #B72E31 #D34F52 #DF8082
Accessibility & contrast
On white
6.09
#B72E31 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.45
#B72E31 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B72E31
6.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B72E31 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B72E31 | 1.00 | 6.09 | 3.45 | 6.09 |
| #FFFFFF | 6.09 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.45 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.09 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#574F30
Deuteranopia (green-blind)
#796D2C
Tritanopia (blue-blind)
#C90031
Achromatopsia (no color)
#626262
Design tokens & code
CSS
--color: #b72e31; /* rgb */ color: rgb(183, 46, 49); /* oklch */ color: oklch(51.8% 0.174 24.7);
Tailwind
colors: {
custom: {
50: '#d57269',
500: '#b72e31',
950: '#000000',
},
}SCSS
$custom: #b72e31; $custom-light: #d57269; $custom-dark: #000000;
JSON
{
"hex": "#b72e31",
"rgb": {
"r": 183,
"g": 46,
"b": 49
},
"hsl": {
"h": 358.686,
"s": 59.825,
"l": 44.902
},
"oklch": {
"l": 0.51757,
"c": 0.17362,
"h": 24.7
},
"luminance": 0.12243
}Semantic roles & 50–950 ramp
primary
#B72E31
secondary
#79C8C6
accent
#E3E045
background
#FEF7F6
surface
#FCEDEB
border
#D5C8C6
text
#160906
muted
#847B7A