#B43338#B43338
#B43338 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.8% C 0.165 H 23.1°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).
Color values
| HEX | #B43338 |
|---|---|
| RGB | rgb(180, 51, 56) |
| HSL | hsl(358, 56%, 45%) |
| HSV | hsv(358, 72%, 71%) |
| CMYK | cmyk(0%, 71.7%, 68.9%, 29.4%) |
| CIE-LAB | lab(41.78, 51.87, 27.84) |
| CIE-LCH | lch(41.78, 58.87, 28.22°) |
| OKLab | oklab(51.82% 0.1521 0.0648) |
| OKLCH | oklch(51.82% 0.165 23.1) |
| XYZ | xyz(20.7223, 12.3595, 5.0351) |
| Luminance | 0.1236 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 2.99
Cardinal
#C41E3A
ΔE00 3.63
Lipstick Red
#C0022F
ΔE00 3.97
Brown
#A52A2A
ΔE00 4.23
Firebrick
#B22222
ΔE00 4.84
Cherry (survey)
#CF0234
ΔE00 4.98
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B43338 #33B4AF
analogous
#B43379 #B43338 #B46E33
triadic
#B43338 #38B433 #3338B4
tetradic
#B43338 #79B433 #33B4AF #6E33B4
square
#B43338 #79B433 #33B4AF #6E33B4
split-complementary
#B43338 #33B46E #3379B4
monochromatic
#55181A #842529 #B43338 #CF555A #DC8588
Accessibility & contrast
On white
6.05
#B43338 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.47
#B43338 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B43338
6.05:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B43338 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B43338 | 1.00 | 6.05 | 3.47 | 6.05 |
| #FFFFFF | 6.05 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.47 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.05 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#575137
Deuteranopia (green-blind)
#786D34
Tritanopia (blue-blind)
#C60336
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #b43338; /* rgb */ color: rgb(180, 51, 56); /* oklch */ color: oklch(51.8% 0.165 23.1);
Tailwind
colors: {
custom: {
50: '#d2746e',
500: '#b43338',
950: '#000000',
},
}SCSS
$custom: #b43338; $custom-light: #d2746e; $custom-dark: #000000;
JSON
{
"hex": "#b43338",
"rgb": {
"r": 180,
"g": 51,
"b": 56
},
"hsl": {
"h": 357.674,
"s": 55.844,
"l": 45.294
},
"oklch": {
"l": 0.51818,
"c": 0.1653,
"h": 23.1
},
"luminance": 0.12356
}Semantic roles & 50–950 ramp
primary
#B43338
secondary
#7DC6C3
accent
#DFD949
background
#FDF7F6
surface
#FBEDEC
border
#D4C8C7
text
#160907
muted
#847B7A