#B53B45#B53B45
#B53B45 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.1% C 0.157 H 19.7°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).
Color values
| HEX | #B53B45 |
|---|---|
| RGB | rgb(181, 59, 69) |
| HSL | hsl(355, 51%, 47%) |
| HSV | hsv(355, 67%, 71%) |
| CMYK | cmyk(0%, 67.4%, 61.9%, 29%) |
| CIE-LAB | lab(43.34, 49.81, 21.92) |
| CIE-LCH | lch(43.34, 54.42, 23.75°) |
| OKLab | oklab(53.08% 0.148 0.053) |
| OKLCH | oklch(53.08% 0.157 19.7) |
| XYZ | xyz(21.6963, 13.3844, 7.0700) |
| Luminance | 0.1338 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dusty Red
#B9484E
ΔE00 3.05
Dull Red
#BB3F3F
ΔE00 3.48
Cardinal
#C41E3A
ΔE00 3.93
Reddish
#C44240
ΔE00 5.31
Rose Red
#BE013C
ΔE00 5.47
Lipstick Red
#C0022F
ΔE00 5.69
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B53B45 #3BB5AB
analogous
#B53B82 #B53B45 #B56E3B
triadic
#B53B45 #45B53B #3B45B5
tetradic
#B53B45 #82B53B #3BB5AB #6E3BB5
square
#B53B45 #82B53B #3BB5AB #6E3BB5
split-complementary
#B53B45 #3BB56E #3B82B5
monochromatic
#591D22 #872C33 #B53B45 #CC626A #DB9096
Accessibility & contrast
On white
5.71
#B53B45 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.68
#B53B45 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B53B45
5.71:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B53B45 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B53B45 | 1.00 | 5.71 | 3.68 | 5.71 |
| #FFFFFF | 5.71 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.68 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.71 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5B5645
Deuteranopia (green-blind)
#7A7042
Tritanopia (blue-blind)
#C61E40
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #b53b45; /* rgb */ color: rgb(181, 59, 69); /* oklch */ color: oklch(53.1% 0.157 19.7);
Tailwind
colors: {
custom: {
50: '#d27878',
500: '#b53b45',
950: '#000000',
},
}SCSS
$custom: #b53b45; $custom-light: #d27878; $custom-dark: #000000;
JSON
{
"hex": "#b53b45",
"rgb": {
"r": 181,
"g": 59,
"b": 69
},
"hsl": {
"h": 355.082,
"s": 50.833,
"l": 47.059
},
"oklch": {
"l": 0.53083,
"c": 0.1572,
"h": 19.7
},
"luminance": 0.13381
}Semantic roles & 50–950 ramp
primary
#B53B45
secondary
#86C6C0
accent
#DACF4D
background
#FDF7F7
surface
#FBEEED
border
#D4C9C8
text
#150909
muted
#837B7B