#B43433#B43433
#B43433 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.8% C 0.165 H 25.4°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).
Color values
| HEX | #B43433 |
|---|---|
| RGB | rgb(180, 52, 51) |
| HSL | hsl(0, 56%, 45%) |
| HSV | hsv(0, 72%, 71%) |
| CMYK | cmyk(0%, 71.1%, 71.7%, 29.4%) |
| CIE-LAB | lab(41.85, 51.24, 30.91) |
| CIE-LCH | lch(41.85, 59.84, 31.10°) |
| OKLab | oklab(51.84% 0.149 0.0707) |
| OKLCH | oklch(51.84% 0.165 25.4) |
| XYZ | xyz(20.6502, 12.4014, 4.4377) |
| Luminance | 0.1240 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 3.16
Firebrick
#B22222
ΔE00 3.60
Brown
#A52A2A
ΔE00 3.82
Lipstick Red
#C0022F
ΔE00 4.70
Reddish
#C44240
ΔE00 4.85
Cardinal
#C41E3A
ΔE00 4.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B43433 #33B3B4
analogous
#B43372 #B43433 #B47433
triadic
#B43433 #33B434 #3433B4
tetradic
#B43433 #72B433 #33B3B4 #7433B4
square
#B43433 #72B433 #33B3B4 #7433B4
split-complementary
#B43433 #33B474 #3372B4
monochromatic
#551818 #842625 #B43433 #CF5655 #DC8685
Accessibility & contrast
On white
6.04
#B43433 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.48
#B43433 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B43433
6.04:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B43433 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B43433 | 1.00 | 6.04 | 3.48 | 6.04 |
| #FFFFFF | 6.04 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.48 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.04 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#595132
Deuteranopia (green-blind)
#796D2F
Tritanopia (blue-blind)
#C60435
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #b43433; /* rgb */ color: rgb(180, 52, 51); /* oklch */ color: oklch(51.8% 0.165 25.4);
Tailwind
colors: {
custom: {
50: '#d2746b',
500: '#b43433',
950: '#000000',
},
}SCSS
$custom: #b43433; $custom-light: #d2746b; $custom-dark: #000000;
JSON
{
"hex": "#b43433",
"rgb": {
"r": 180,
"g": 52,
"b": 51
},
"hsl": {
"h": 0.465,
"s": 55.844,
"l": 45.294
},
"oklch": {
"l": 0.51843,
"c": 0.16494,
"h": 25.4
},
"luminance": 0.12398
}Semantic roles & 50–950 ramp
primary
#B43433
secondary
#7DC5C6
accent
#DEDF49
background
#FEF7F6
surface
#FCEDEB
border
#D5C8C6
text
#160906
muted
#847B7A