#B5343B#B5343B
#B5343B is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.1% C 0.165 H 22.2°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).
Color values
| HEX | #B5343B |
|---|---|
| RGB | rgb(181, 52, 59) |
| HSL | hsl(357, 55%, 46%) |
| HSV | hsv(357, 71%, 71%) |
| CMYK | cmyk(0%, 71.3%, 67.4%, 29%) |
| CIE-LAB | lab(42.15, 51.98, 26.52) |
| CIE-LCH | lch(42.15, 58.35, 27.03°) |
| OKLab | oklab(52.14% 0.1529 0.0623) |
| OKLCH | oklch(52.14% 0.165 22.2) |
| XYZ | xyz(21.0757, 12.5986, 5.4588) |
| Luminance | 0.1260 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 2.87
Cardinal
#C41E3A
ΔE00 3.24
Lipstick Red
#C0022F
ΔE00 4.06
Dusty Red
#B9484E
ΔE00 4.83
Cherry (survey)
#CF0234
ΔE00 4.85
Brown
#A52A2A
ΔE00 4.88
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B5343B #34B5AE
analogous
#B5347B #B5343B #B56D34
triadic
#B5343B #3BB534 #343BB5
tetradic
#B5343B #7BB534 #34B5AE #6D34B5
square
#B5343B #7BB534 #34B5AE #6D34B5
split-complementary
#B5343B #34B56D #347BB5
monochromatic
#56191C #85262C #B5343B #CF575E #DC878C
Accessibility & contrast
On white
5.97
#B5343B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.52
#B5343B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B5343B
5.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B5343B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B5343B | 1.00 | 5.97 | 3.52 | 5.97 |
| #FFFFFF | 5.97 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.52 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.97 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#58523A
Deuteranopia (green-blind)
#786E37
Tritanopia (blue-blind)
#C70738
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #b5343b; /* rgb */ color: rgb(181, 52, 59); /* oklch */ color: oklch(52.1% 0.165 22.2);
Tailwind
colors: {
custom: {
50: '#d37471',
500: '#b5343b',
950: '#000000',
},
}SCSS
$custom: #b5343b; $custom-light: #d37471; $custom-dark: #000000;
JSON
{
"hex": "#b5343b",
"rgb": {
"r": 181,
"g": 52,
"b": 59
},
"hsl": {
"h": 356.744,
"s": 55.365,
"l": 45.686
},
"oklch": {
"l": 0.52143,
"c": 0.1651,
"h": 22.2
},
"luminance": 0.12596
}Semantic roles & 50–950 ramp
primary
#B5343B
secondary
#7FC6C2
accent
#DFD749
background
#FDF7F6
surface
#FBEDEC
border
#D4C8C7
text
#160907
muted
#847B7A