#C33A3F#C33A3F
#C33A3F is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.2% C 0.173 H 23.0°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).
Color values
| HEX | #C33A3F |
|---|---|
| RGB | rgb(195, 58, 63) |
| HSL | hsl(358, 54%, 50%) |
| HSV | hsv(358, 70%, 76%) |
| CMYK | cmyk(0%, 70.3%, 67.7%, 23.5%) |
| CIE-LAB | lab(45.62, 54.40, 28.96) |
| CIE-LCH | lch(45.62, 61.63, 28.03°) |
| OKLab | oklab(55.23% 0.1596 0.0677) |
| OKLCH | oklch(55.23% 0.173 23) |
| XYZ | xyz(24.9186, 14.9907, 6.2831) |
| Luminance | 0.1499 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 1.58
Reddish
#C44240
ΔE00 1.94
Dusty Red
#B9484E
ΔE00 3.98
Cardinal
#C41E3A
ΔE00 4.00
Cherry (survey)
#CF0234
ΔE00 4.40
Crimson
#DC143C
ΔE00 4.61
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C33A3F #3AC3BE
analogous
#C33A84 #C33A3F #C3793A
triadic
#C33A3F #3FC33A #3A3FC3
tetradic
#C33A3F #84C33A #3AC3BE #793AC3
square
#C33A3F #84C33A #3AC3BE #793AC3
split-complementary
#C33A3F #3AC379 #3A84C3
monochromatic
#651E21 #942C30 #C33A3F #D2686C #E0979A
Accessibility & contrast
On white
5.25
#C33A3F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.00
#C33A3F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C33A3F
5.25:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C33A3F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C33A3F | 1.00 | 5.25 | 4.00 | 5.25 |
| #FFFFFF | 5.25 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.00 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.25 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#60593E
Deuteranopia (green-blind)
#83773B
Tritanopia (blue-blind)
#D60D3D
Achromatopsia (no color)
#6C6C6C
Design tokens & code
CSS
--color: #c33a3f; /* rgb */ color: rgb(195, 58, 63); /* oklch */ color: oklch(55.2% 0.173 23.0);
Tailwind
colors: {
custom: {
50: '#dd7974',
500: '#c33a3f',
950: '#000000',
},
}SCSS
$custom: #c33a3f; $custom-light: #dd7974; $custom-dark: #000000;
JSON
{
"hex": "#c33a3f",
"rgb": {
"r": 195,
"g": 58,
"b": 63
},
"hsl": {
"h": 357.81,
"s": 54.15,
"l": 49.608
},
"oklch": {
"l": 0.55225,
"c": 0.17341,
"h": 23
},
"luminance": 0.14987
}Semantic roles & 50–950 ramp
primary
#C33A3F
secondary
#8DCCC9
accent
#DED84A
background
#FEF7F7
surface
#FDEEED
border
#D5C9C8
text
#160A08
muted
#847C7B