#B3363F#B3363F
#B3363F is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.1% C 0.161 H 20.8°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).
Color values
| HEX | #B3363F |
|---|---|
| RGB | rgb(179, 54, 63) |
| HSL | hsl(356, 54%, 46%) |
| HSV | hsv(356, 70%, 70%) |
| CMYK | cmyk(0%, 69.8%, 64.8%, 29.8%) |
| CIE-LAB | lab(42.13, 50.79, 23.97) |
| CIE-LCH | lch(42.13, 56.16, 25.26°) |
| OKLab | oklab(52.08% 0.1502 0.0571) |
| OKLCH | oklch(52.08% 0.161 20.8) |
| XYZ | xyz(20.8089, 12.5839, 6.0349) |
| Luminance | 0.1258 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 3.42
Cardinal
#C41E3A
ΔE00 3.46
Dusty Red
#B9484E
ΔE00 4.32
Lipstick Red
#C0022F
ΔE00 4.61
Rose Red
#BE013C
ΔE00 5.09
Cherry (survey)
#CF0234
ΔE00 5.41
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B3363F #36B3AA
analogous
#B3367D #B3363F #B36B36
triadic
#B3363F #3FB336 #363FB3
tetradic
#B3363F #7DB336 #36B3AA #6B36B3
square
#B3363F #7DB336 #36B3AA #6B36B3
split-complementary
#B3363F #36B36B #367DB3
monochromatic
#551A1E #84282E #B3363F #CD5962 #DB888E
Accessibility & contrast
On white
5.97
#B3363F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.52
#B3363F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B3363F
5.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B3363F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B3363F | 1.00 | 5.97 | 3.52 | 5.97 |
| #FFFFFF | 5.97 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.52 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.97 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#58533E
Deuteranopia (green-blind)
#776D3B
Tritanopia (blue-blind)
#C4133A
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #b3363f; /* rgb */ color: rgb(179, 54, 63); /* oklch */ color: oklch(52.1% 0.161 20.8);
Tailwind
colors: {
custom: {
50: '#d17574',
500: '#b3363f',
950: '#000000',
},
}SCSS
$custom: #b3363f; $custom-light: #d17574; $custom-dark: #000000;
JSON
{
"hex": "#b3363f",
"rgb": {
"r": 179,
"g": 54,
"b": 63
},
"hsl": {
"h": 355.68,
"s": 53.648,
"l": 45.686
},
"oklch": {
"l": 0.5208,
"c": 0.1607,
"h": 20.8
},
"luminance": 0.12581
}Semantic roles & 50–950 ramp
primary
#B3363F
secondary
#80C5C0
accent
#DDD34B
background
#FDF7F7
surface
#FBEDED
border
#D4C8C8
text
#150908
muted
#837B7B