#BF3937#BF3937
#BF3937 is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.3% C 0.171 H 25.6°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).
Color values
| HEX | #BF3937 |
|---|---|
| RGB | rgb(191, 57, 55) |
| HSL | hsl(1, 55%, 48%) |
| HSV | hsv(1, 71%, 75%) |
| CMYK | cmyk(0%, 70.2%, 71.2%, 25.1%) |
| CIE-LAB | lab(44.63, 53.09, 32.33) |
| CIE-LCH | lch(44.63, 62.16, 31.34°) |
| OKLab | oklab(54.32% 0.1543 0.074) |
| OKLCH | oklch(54.32% 0.171 25.6) |
| XYZ | xyz(23.6412, 14.2820, 5.1255) |
| Luminance | 0.1428 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 1.94
Reddish
#C44240
ΔE00 2.44
Cardinal
#C41E3A
ΔE00 5.03
Cherry (survey)
#CF0234
ΔE00 5.10
Firebrick
#B22222
ΔE00 5.43
Dusty Red
#B9484E
ΔE00 5.60
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#BF3937 #37BDBF
analogous
#BF3779 #BF3937 #BF7D37
triadic
#BF3937 #37BF39 #3937BF
tetradic
#BF3937 #79BF37 #37BDBF #7D37BF
square
#BF3937 #79BF37 #37BDBF #7D37BF
split-complementary
#BF3937 #37BF7D #3779BF
monochromatic
#601D1C #8F2B29 #BF3937 #D26362 #DF9291
Accessibility & contrast
On white
5.45
#BF3937 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.86
#BF3937 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #BF3937
5.45:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##BF3937 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##BF3937 | 1.00 | 5.45 | 3.86 | 5.45 |
| #FFFFFF | 5.45 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.86 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.45 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F5735
Deuteranopia (green-blind)
#817433
Tritanopia (blue-blind)
#D2093A
Achromatopsia (no color)
#6A6A6A
Design tokens & code
CSS
--color: #bf3937; /* rgb */ color: rgb(191, 57, 55); /* oklch */ color: oklch(54.3% 0.171 25.6);
Tailwind
colors: {
custom: {
50: '#da786e',
500: '#bf3937',
950: '#000000',
},
}SCSS
$custom: #bf3937; $custom-light: #da786e; $custom-dark: #000000;
JSON
{
"hex": "#bf3937",
"rgb": {
"r": 191,
"g": 57,
"b": 55
},
"hsl": {
"h": 0.882,
"s": 55.285,
"l": 48.235
},
"oklch": {
"l": 0.54316,
"c": 0.17116,
"h": 25.6
},
"luminance": 0.14278
}Semantic roles & 50–950 ramp
primary
#BF3937
secondary
#88C9CA
accent
#DCDF49
background
#FEF7F6
surface
#FDEEEC
border
#D5C9C7
text
#160907
muted
#847B7A