#B43440#B43440
#B43440 is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.1% C 0.164 H 19.9°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #B43440 |
|---|---|
| RGB | rgb(180, 52, 64) |
| HSL | hsl(354, 55%, 45%) |
| HSV | hsv(354, 71%, 71%) |
| CMYK | cmyk(0%, 71.1%, 64.4%, 29.4%) |
| CIE-LAB | lab(42.05, 51.95, 23.29) |
| CIE-LCH | lch(42.05, 56.93, 24.15°) |
| OKLab | oklab(52.06% 0.154 0.0557) |
| OKLCH | oklch(52.06% 0.164 19.9) |
| XYZ | xyz(20.9780, 12.5325, 6.1639) |
| Luminance | 0.1253 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Cardinal
#C41E3A
ΔE00 3.22
Dull Red
#BB3F3F
ΔE00 3.91
Dusty Red
#B9484E
ΔE00 4.42
Rose Red
#BE013C
ΔE00 4.52
Lipstick Red
#C0022F
ΔE00 4.53
Cherry (survey)
#CF0234
ΔE00 5.32
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B43440 #34B4A8
analogous
#B43480 #B43440 #B46834
triadic
#B43440 #40B434 #3440B4
tetradic
#B43440 #80B434 #34B4A8 #6834B4
square
#B43440 #80B434 #34B4A8 #6834B4
split-complementary
#B43440 #34B468 #3480B4
monochromatic
#55191E #85262F #B43440 #CE5762 #DC868E
Accessibility & contrast
On white
5.99
#B43440 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.51
#B43440 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B43440
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B43440 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B43440 | 1.00 | 5.99 | 3.51 | 5.99 |
| #FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.51 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#575240
Deuteranopia (green-blind)
#776D3C
Tritanopia (blue-blind)
#C50C39
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #b43440; /* rgb */ color: rgb(180, 52, 64); /* oklch */ color: oklch(52.1% 0.164 19.9);
Tailwind
colors: {
custom: {
50: '#d27474',
500: '#b43440',
950: '#000000',
},
}SCSS
$custom: #b43440; $custom-light: #d27474; $custom-dark: #000000;
JSON
{
"hex": "#b43440",
"rgb": {
"r": 180,
"g": 52,
"b": 64
},
"hsl": {
"h": 354.375,
"s": 55.172,
"l": 45.49
},
"oklch": {
"l": 0.5206,
"c": 0.16371,
"h": 19.9
},
"luminance": 0.12529
}Semantic roles & 50–950 ramp
primary
#B43440
secondary
#7EC6BF
accent
#DFD149
background
#FDF7F7
surface
#FBEDED
border
#D4C8C8
text
#150908
muted
#837B7B