#B3363A#B3363A
#B3363A is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.0% C 0.161 H 23.1°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #B3363A |
|---|---|
| RGB | rgb(179, 54, 58) |
| HSL | hsl(358, 54%, 46%) |
| HSV | hsv(358, 70%, 70%) |
| CMYK | cmyk(0%, 69.8%, 67.6%, 29.8%) |
| CIE-LAB | lab(42.05, 50.50, 26.91) |
| CIE-LCH | lch(42.05, 57.22, 28.05°) |
| OKLab | oklab(51.99% 0.1483 0.0631) |
| OKLCH | oklch(51.99% 0.161 23.1) |
| XYZ | xyz(20.6755, 12.5305, 5.3321) |
| Luminance | 0.1253 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 2.73
Cardinal
#C41E3A
ΔE00 3.85
Lipstick Red
#C0022F
ΔE00 4.42
Brown
#A52A2A
ΔE00 4.49
Reddish
#C44240
ΔE00 4.87
Dusty Red
#B9484E
ΔE00 5.00
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B3363A #36B3AF
analogous
#B33678 #B3363A #B37036
triadic
#B3363A #3AB336 #363AB3
tetradic
#B3363A #78B336 #36B3AF #7036B3
square
#B3363A #78B336 #36B3AF #7036B3
split-complementary
#B3363A #36B370 #3678B3
monochromatic
#551A1C #84282B #B3363A #CD595D #DB888B
Accessibility & contrast
On white
5.99
#B3363A on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.51
#B3363A on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B3363A
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B3363A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B3363A | 1.00 | 5.99 | 3.51 | 5.99 |
| #FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.51 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#595239
Deuteranopia (green-blind)
#786D36
Tritanopia (blue-blind)
#C51039
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #b3363a; /* rgb */ color: rgb(179, 54, 58); /* oklch */ color: oklch(52.0% 0.161 23.1);
Tailwind
colors: {
custom: {
50: '#d17570',
500: '#b3363a',
950: '#000000',
},
}SCSS
$custom: #b3363a; $custom-light: #d17570; $custom-dark: #000000;
JSON
{
"hex": "#b3363a",
"rgb": {
"r": 179,
"g": 54,
"b": 58
},
"hsl": {
"h": 358.08,
"s": 53.648,
"l": 45.686
},
"oklch": {
"l": 0.51992,
"c": 0.16113,
"h": 23.1
},
"luminance": 0.12528
}Semantic roles & 50–950 ramp
primary
#B3363A
secondary
#80C5C3
accent
#DDD84B
background
#FDF7F6
surface
#FBEDEC
border
#D4C8C7
text
#150907
muted
#837B7A