#B5374F#B5374F
#B5374F is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.9% C 0.162 H 13.6°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).
Color values
| HEX | #B5374F |
|---|---|
| RGB | rgb(181, 55, 79) |
| HSL | hsl(349, 53%, 46%) |
| HSV | hsv(349, 70%, 71%) |
| CMYK | cmyk(0%, 69.6%, 56.4%, 29%) |
| CIE-LAB | lab(42.95, 52.14, 15.23) |
| CIE-LCH | lch(42.95, 54.32, 16.29°) |
| OKLab | oklab(52.86% 0.1571 0.038) |
| OKLCH | oklch(52.86% 0.162 13.6) |
| XYZ | xyz(21.8356, 13.1236, 8.7789) |
| Luminance | 0.1312 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dark Rose
#B5485D
ΔE00 3.87
Light Burgundy
#A8415B
ΔE00 4.57
Ruby
#CA0147
ΔE00 4.62
Light Maroon
#A24857
ΔE00 4.78
Rose Red
#BE013C
ΔE00 5.21
Dusty Red
#B9484E
ΔE00 5.23
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B5374F #37B59D
analogous
#B5378E #B5374F #B55E37
triadic
#B5374F #4FB537 #374FB5
tetradic
#B5374F #8EB537 #37B59D #5E37B5
square
#B5374F #8EB537 #37B59D #5E37B5
split-complementary
#B5374F #37B55E #378EB5
monochromatic
#571A26 #86293B #B5374F #CD5C71 #DC8B9A
Accessibility & contrast
On white
5.79
#B5374F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.62
#B5374F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B5374F
5.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B5374F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B5374F | 1.00 | 5.79 | 3.62 | 5.79 |
| #FFFFFF | 5.79 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.62 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.79 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#57554F
Deuteranopia (green-blind)
#776F4C
Tritanopia (blue-blind)
#C61B41
Achromatopsia (no color)
#656565
Design tokens & code
CSS
--color: #b5374f; /* rgb */ color: rgb(181, 55, 79); /* oklch */ color: oklch(52.9% 0.162 13.6);
Tailwind
colors: {
custom: {
50: '#d17680',
500: '#b5374f',
950: '#000000',
},
}SCSS
$custom: #b5374f; $custom-light: #d17680; $custom-dark: #000000;
JSON
{
"hex": "#b5374f",
"rgb": {
"r": 181,
"g": 55,
"b": 79
},
"hsl": {
"h": 348.571,
"s": 53.39,
"l": 46.275
},
"oklch": {
"l": 0.52859,
"c": 0.16165,
"h": 13.6
},
"luminance": 0.13121
}Semantic roles & 50–950 ramp
primary
#B5374F
secondary
#82C6B9
accent
#DDC14B
background
#FDF7F7
surface
#FBEEEE
border
#D4C9C9
text
#15090A
muted
#837B7C