#B43533#B43533
#B43533 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.9% C 0.164 H 25.7°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).
Color values
| HEX | #B43533 |
|---|---|
| RGB | rgb(180, 53, 51) |
| HSL | hsl(1, 56%, 45%) |
| HSV | hsv(1, 72%, 71%) |
| CMYK | cmyk(0%, 70.6%, 71.7%, 29.4%) |
| CIE-LAB | lab(41.99, 50.86, 31.07) |
| CIE-LCH | lch(41.99, 59.60, 31.42°) |
| OKLab | oklab(51.95% 0.1478 0.0711) |
| OKLCH | oklch(51.95% 0.164 25.7) |
| XYZ | xyz(20.6953, 12.4916, 4.4527) |
| Luminance | 0.1249 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 3.11
Firebrick
#B22222
ΔE00 3.63
Brown
#A52A2A
ΔE00 3.93
Reddish
#C44240
ΔE00 4.75
Lipstick Red
#C0022F
ΔE00 4.92
Cardinal
#C41E3A
ΔE00 5.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B43533 #33B2B4
analogous
#B43372 #B43533 #B47533
triadic
#B43533 #33B435 #3533B4
tetradic
#B43533 #72B433 #33B2B4 #7533B4
square
#B43533 #72B433 #33B2B4 #7533B4
split-complementary
#B43533 #33B475 #3372B4
monochromatic
#551918 #842725 #B43533 #CF5755 #DC8685
Accessibility & contrast
On white
6.00
#B43533 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.50
#B43533 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B43533
6.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B43533 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B43533 | 1.00 | 6.00 | 3.50 | 6.00 |
| #FFFFFF | 6.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.50 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#595232
Deuteranopia (green-blind)
#796D2F
Tritanopia (blue-blind)
#C60736
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #b43533; /* rgb */ color: rgb(180, 53, 51); /* oklch */ color: oklch(51.9% 0.164 25.7);
Tailwind
colors: {
custom: {
50: '#d2756b',
500: '#b43533',
950: '#000000',
},
}SCSS
$custom: #b43533; $custom-light: #d2756b; $custom-dark: #000000;
JSON
{
"hex": "#b43533",
"rgb": {
"r": 180,
"g": 53,
"b": 51
},
"hsl": {
"h": 0.93,
"s": 55.844,
"l": 45.294
},
"oklch": {
"l": 0.51948,
"c": 0.16399,
"h": 25.7
},
"luminance": 0.12489
}Semantic roles & 50–950 ramp
primary
#B43533
secondary
#7DC5C6
accent
#DDDF49
background
#FEF7F6
surface
#FCEDEB
border
#D5C8C6
text
#160906
muted
#847B7A