#B43543#B43543
#B43543 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.2% C 0.163 H 18.8°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).
Color values
| HEX | #B43543 |
|---|---|
| RGB | rgb(180, 53, 67) |
| HSL | hsl(353, 55%, 46%) |
| HSV | hsv(353, 71%, 71%) |
| CMYK | cmyk(0%, 70.6%, 62.8%, 29.4%) |
| CIE-LAB | lab(42.24, 51.75, 21.69) |
| CIE-LCH | lch(42.24, 56.12, 22.74°) |
| OKLab | oklab(52.22% 0.1539 0.0523) |
| OKLCH | oklch(52.22% 0.163 18.8) |
| XYZ | xyz(21.1108, 12.6578, 6.6407) |
| Luminance | 0.1265 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Cardinal
#C41E3A
ΔE00 3.55
Dusty Red
#B9484E
ΔE00 4.21
Rose Red
#BE013C
ΔE00 4.38
Dull Red
#BB3F3F
ΔE00 4.42
Lipstick Red
#C0022F
ΔE00 5.08
Ruby
#CA0147
ΔE00 5.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B43543 #35B4A6
analogous
#B43582 #B43543 #B46635
triadic
#B43543 #43B435 #3543B4
tetradic
#B43543 #82B435 #35B4A6 #6635B4
square
#B43543 #82B435 #35B4A6 #6635B4
split-complementary
#B43543 #35B466 #3582B4
monochromatic
#551920 #852731 #B43543 #CE5865 #DC8891
Accessibility & contrast
On white
5.95
#B43543 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.53
#B43543 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B43543
5.95:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B43543 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B43543 | 1.00 | 5.95 | 3.53 | 5.95 |
| #FFFFFF | 5.95 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.53 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.95 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#575343
Deuteranopia (green-blind)
#776E40
Tritanopia (blue-blind)
#C5113B
Achromatopsia (no color)
#646464
Design tokens & code
CSS
--color: #b43543; /* rgb */ color: rgb(180, 53, 67); /* oklch */ color: oklch(52.2% 0.163 18.8);
Tailwind
colors: {
custom: {
50: '#d17577',
500: '#b43543',
950: '#000000',
},
}SCSS
$custom: #b43543; $custom-light: #d17577; $custom-dark: #000000;
JSON
{
"hex": "#b43543",
"rgb": {
"r": 180,
"g": 53,
"b": 67
},
"hsl": {
"h": 353.386,
"s": 54.506,
"l": 45.686
},
"oklch": {
"l": 0.52221,
"c": 0.16258,
"h": 18.8
},
"luminance": 0.12655
}Semantic roles & 50–950 ramp
primary
#B43543
secondary
#7FC6BE
accent
#DECE4A
background
#FDF7F7
surface
#FBEDED
border
#D4C8C8
text
#150908
muted
#837B7B