#C33C1F#C33C1F
#C33C1F is a mid, vivid red. Relative luminance 0.149; OKLCH L 55.1% C 0.176 H 33.6°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).
Color values
| HEX | #C33C1F |
|---|---|
| RGB | rgb(195, 60, 31) |
| HSL | hsl(11, 73%, 44%) |
| HSV | hsv(11, 84%, 76%) |
| CMYK | cmyk(0%, 69.2%, 84.1%, 23.5%) |
| CIE-LAB | lab(45.55, 52.36, 46.42) |
| CIE-LCH | lch(45.55, 69.97, 41.55°) |
| OKLab | oklab(55.06% 0.147 0.0977) |
| OKLCH | oklch(55.06% 0.176 33.6) |
| XYZ | xyz(24.3717, 14.9365, 2.8958) |
| Luminance | 0.1493 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rust
#B7410E
ΔE00 4.90
Rusty Red
#AF2F0D
ΔE00 5.38
Red (survey)
#E50000
ΔE00 6.11
Brick Orange
#C14A09
ΔE00 6.87
Rust (survey)
#A83C09
ΔE00 7.10
Rust Red
#AA2704
ΔE00 7.11
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C33C1F #1FA6C3
analogous
#C31F54 #C33C1F #C38E1F
triadic
#C33C1F #1FC33C #3C1FC3
tetradic
#C33C1F #54C31F #1FA6C3 #8E1FC3
square
#C33C1F #54C31F #1FA6C3 #8E1FC3
split-complementary
#C33C1F #1FC38E #1F54C3
monochromatic
#591C0E #8E2C17 #C33C1F #E05B3F #E98874
Accessibility & contrast
On white
5.27
#C33C1F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.99
#C33C1F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C33C1F
5.27:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C33C1F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C33C1F | 1.00 | 5.27 | 3.99 | 5.27 |
| #FFFFFF | 5.27 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.99 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.27 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#64591A
Deuteranopia (green-blind)
#857717
Tritanopia (blue-blind)
#D70437
Achromatopsia (no color)
#6C6C6C
Design tokens & code
CSS
--color: #c33c1f; /* rgb */ color: rgb(195, 60, 31); /* oklch */ color: oklch(55.1% 0.176 33.6);
Tailwind
colors: {
custom: {
50: '#df7a5e',
500: '#c33c1f',
950: '#000000',
},
}SCSS
$custom: #c33c1f; $custom-light: #df7a5e; $custom-dark: #000000;
JSON
{
"hex": "#c33c1f",
"rgb": {
"r": 195,
"g": 60,
"b": 31
},
"hsl": {
"h": 10.61,
"s": 72.566,
"l": 44.314
},
"oklch": {
"l": 0.55055,
"c": 0.17645,
"h": 33.6
},
"luminance": 0.14933
}Semantic roles & 50–950 ramp
primary
#C33C1F
secondary
#6EBED0
accent
#CFEF39
background
#FFF7F5
surface
#FEEEE9
border
#D6C9C5
text
#170A04
muted
#857C79