#C43433#C43433
#C43433 is a mid, vivid red. Relative luminance 0.144; OKLCH L 54.6% C 0.181 H 25.9°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).
Color values
| HEX | #C43433 |
|---|---|
| RGB | rgb(196, 52, 51) |
| HSL | hsl(0, 59%, 48%) |
| HSV | hsv(0, 74%, 77%) |
| CMYK | cmyk(0%, 73.5%, 74%, 23.1%) |
| CIE-LAB | lab(44.85, 56.33, 35.14) |
| CIE-LCH | lch(44.85, 66.39, 31.96°) |
| OKLab | oklab(54.63% 0.1631 0.0791) |
| OKLCH | oklch(54.63% 0.181 25.9) |
| XYZ | xyz(24.5933, 14.4345, 4.6225) |
| Luminance | 0.1443 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 2.90
Dull Red
#BB3F3F
ΔE00 3.03
Cherry (survey)
#CF0234
ΔE00 4.85
Cardinal
#C41E3A
ΔE00 5.29
Firebrick
#B22222
ΔE00 5.36
Crimson
#DC143C
ΔE00 5.63
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C43433 #33C3C4
analogous
#C4337A #C43433 #C47C33
triadic
#C43433 #33C434 #3433C4
tetradic
#C43433 #7AC433 #33C3C4 #7C33C4
square
#C43433 #7AC433 #33C3C4 #7C33C4
split-complementary
#C43433 #33C47C #337AC4
monochromatic
#631A1A #932726 #C43433 #D5605F #E2908F
Accessibility & contrast
On white
5.40
#C43433 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.89
#C43433 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C43433
5.40:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C43433 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C43433 | 1.00 | 5.40 | 3.89 | 5.40 |
| #FFFFFF | 5.40 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.89 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.40 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F5631
Deuteranopia (green-blind)
#82752E
Tritanopia (blue-blind)
#D80036
Achromatopsia (no color)
#6A6A6A
Design tokens & code
CSS
--color: #c43433; /* rgb */ color: rgb(196, 52, 51); /* oklch */ color: oklch(54.6% 0.181 25.9);
Tailwind
colors: {
custom: {
50: '#df766b',
500: '#c43433',
950: '#000000',
},
}SCSS
$custom: #c43433; $custom-light: #df766b; $custom-dark: #000000;
JSON
{
"hex": "#c43433",
"rgb": {
"r": 196,
"g": 52,
"b": 51
},
"hsl": {
"h": 0.414,
"s": 58.704,
"l": 48.431
},
"oklch": {
"l": 0.5463,
"c": 0.18125,
"h": 25.9
},
"luminance": 0.14431
}Semantic roles & 50–950 ramp
primary
#C43433
secondary
#86CCCD
accent
#E1E246
background
#FEF7F6
surface
#FDEEEB
border
#D5C9C6
text
#170906
muted
#857B7A