#B6312F#B6312F
#B6312F is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.8% C 0.170 H 26.1°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).
Color values
| HEX | #B6312F |
|---|---|
| RGB | rgb(182, 49, 47) |
| HSL | hsl(1, 59%, 45%) |
| HSV | hsv(1, 74%, 71%) |
| CMYK | cmyk(0%, 73.1%, 74.2%, 28.6%) |
| CIE-LAB | lab(41.77, 52.82, 33.27) |
| CIE-LCH | lch(41.77, 62.42, 32.21°) |
| OKLab | oklab(51.84% 0.1529 0.0749) |
| OKLCH | oklch(51.84% 0.17 26.1) |
| XYZ | xyz(20.9052, 12.3501, 3.9718) |
| Luminance | 0.1235 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 2.90
Dull Red
#BB3F3F
ΔE00 3.75
Brown
#A52A2A
ΔE00 3.89
Scarlet
#BE0119
ΔE00 4.40
Lipstick Red
#C0022F
ΔE00 4.82
Reddish
#C44240
ΔE00 5.09
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B6312F #2FB4B6
analogous
#B62F70 #B6312F #B6752F
triadic
#B6312F #2FB631 #312FB6
tetradic
#B6312F #70B62F #2FB4B6 #752FB6
square
#B6312F #70B62F #2FB4B6 #752FB6
split-complementary
#B6312F #2FB675 #2F70B6
monochromatic
#551716 #852422 #B6312F #D25250 #DE8281
Accessibility & contrast
On white
6.05
#B6312F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.47
#B6312F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B6312F
6.05:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B6312F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B6312F | 1.00 | 6.05 | 3.47 | 6.05 |
| #FFFFFF | 6.05 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.47 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.05 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#58502D
Deuteranopia (green-blind)
#796D2A
Tritanopia (blue-blind)
#C80032
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #b6312f; /* rgb */ color: rgb(182, 49, 47); /* oklch */ color: oklch(51.8% 0.170 26.1);
Tailwind
colors: {
custom: {
50: '#d47368',
500: '#b6312f',
950: '#000000',
},
}SCSS
$custom: #b6312f; $custom-light: #d47368; $custom-dark: #000000;
JSON
{
"hex": "#b6312f",
"rgb": {
"r": 182,
"g": 49,
"b": 47
},
"hsl": {
"h": 0.889,
"s": 58.952,
"l": 44.902
},
"oklch": {
"l": 0.51835,
"c": 0.17025,
"h": 26.1
},
"luminance": 0.12347
}Semantic roles & 50–950 ramp
primary
#B6312F
secondary
#79C6C7
accent
#E0E246
background
#FEF7F6
surface
#FCEDEB
border
#D5C8C6
text
#160906
muted
#847B7A