#B33745#B33745
#B33745 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.3% C 0.159 H 18.3°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).
Color values
| HEX | #B33745 |
|---|---|
| RGB | rgb(179, 55, 69) |
| HSL | hsl(353, 53%, 46%) |
| HSV | hsv(353, 69%, 70%) |
| CMYK | cmyk(0%, 69.3%, 61.5%, 29.8%) |
| CIE-LAB | lab(42.38, 50.78, 20.61) |
| CIE-LCH | lch(42.38, 54.80, 22.09°) |
| OKLab | oklab(52.3% 0.1513 0.05) |
| OKLCH | oklch(52.3% 0.159 18.3) |
| XYZ | xyz(21.0329, 12.7487, 6.9823) |
| Luminance | 0.1275 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Cardinal
#C41E3A
ΔE00 4.00
Dusty Red
#B9484E
ΔE00 4.03
Rose Red
#BE013C
ΔE00 4.61
Dull Red
#BB3F3F
ΔE00 4.67
Ruby
#CA0147
ΔE00 5.42
Rouge
#AB1239
ΔE00 5.55
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B33745 #37B3A5
analogous
#B33783 #B33745 #B36737
triadic
#B33745 #45B337 #3745B3
tetradic
#B33745 #83B337 #37B3A5 #6737B3
square
#B33745 #83B337 #37B3A5 #6737B3
split-complementary
#B33745 #37B367 #3783B3
monochromatic
#551A21 #842933 #B33745 #CD5B68 #DB8A93
Accessibility & contrast
On white
5.92
#B33745 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.55
#B33745 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B33745
5.92:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B33745 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B33745 | 1.00 | 5.92 | 3.55 | 5.92 |
| #FFFFFF | 5.92 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.55 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.92 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#585345
Deuteranopia (green-blind)
#776E42
Tritanopia (blue-blind)
#C4183D
Achromatopsia (no color)
#646464
Design tokens & code
CSS
--color: #b33745; /* rgb */ color: rgb(179, 55, 69); /* oklch */ color: oklch(52.3% 0.159 18.3);
Tailwind
colors: {
custom: {
50: '#d07678',
500: '#b33745',
950: '#000000',
},
}SCSS
$custom: #b33745; $custom-light: #d07678; $custom-dark: #000000;
JSON
{
"hex": "#b33745",
"rgb": {
"r": 179,
"g": 55,
"b": 69
},
"hsl": {
"h": 353.226,
"s": 52.991,
"l": 45.882
},
"oklch": {
"l": 0.52303,
"c": 0.15938,
"h": 18.3
},
"luminance": 0.12746
}Semantic roles & 50–950 ramp
primary
#B33745
secondary
#81C5BD
accent
#DCCC4B
background
#FDF7F7
surface
#FBEDED
border
#D4C8C8
text
#150909
muted
#837B7B