#C43736#C43736
#C43736 is a mid, vivid red. Relative luminance 0.147; OKLCH L 55.0% C 0.178 H 25.6°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).
Color values
| HEX | #C43736 |
|---|---|
| RGB | rgb(196, 55, 54) |
| HSL | hsl(0, 57%, 49%) |
| HSV | hsv(0, 72%, 77%) |
| CMYK | cmyk(0%, 71.9%, 72.4%, 23.1%) |
| CIE-LAB | lab(45.27, 55.39, 33.89) |
| CIE-LCH | lch(45.27, 64.94, 31.46°) |
| OKLab | oklab(54.96% 0.1608 0.077) |
| OKLCH | oklch(54.96% 0.178 25.6) |
| XYZ | xyz(24.7998, 14.7382, 5.0282) |
| Luminance | 0.1473 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 2.27
Dull Red
#BB3F3F
ΔE00 2.57
Cherry (survey)
#CF0234
ΔE00 4.88
Cardinal
#C41E3A
ΔE00 5.20
Crimson
#DC143C
ΔE00 5.42
Firebrick
#B22222
ΔE00 5.85
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C43736 #36C3C4
analogous
#C4367C #C43736 #C47E36
triadic
#C43736 #36C437 #3736C4
tetradic
#C43736 #7CC436 #36C3C4 #7E36C4
square
#C43736 #7CC436 #36C3C4 #7E36C4
split-complementary
#C43736 #36C47E #367CC4
monochromatic
#641C1C #942A29 #C43736 #D46463 #E19493
Accessibility & contrast
On white
5.32
#C43736 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.95
#C43736 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C43736
5.32:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C43736 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C43736 | 1.00 | 5.32 | 3.95 | 5.32 |
| #FFFFFF | 5.32 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.95 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.32 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#605834
Deuteranopia (green-blind)
#837631
Tritanopia (blue-blind)
#D80039
Achromatopsia (no color)
#6B6B6B
Design tokens & code
CSS
--color: #c43736; /* rgb */ color: rgb(196, 55, 54); /* oklch */ color: oklch(55.0% 0.178 25.6);
Tailwind
colors: {
custom: {
50: '#de786d',
500: '#c43736',
950: '#000000',
},
}SCSS
$custom: #c43736; $custom-light: #de786d; $custom-dark: #000000;
JSON
{
"hex": "#c43736",
"rgb": {
"r": 196,
"g": 55,
"b": 54
},
"hsl": {
"h": 0.423,
"s": 56.8,
"l": 49.02
},
"oklch": {
"l": 0.54958,
"c": 0.17824,
"h": 25.6
},
"luminance": 0.14734
}Semantic roles & 50–950 ramp
primary
#C43736
secondary
#89CCCC
accent
#DFE048
background
#FEF7F6
surface
#FDEEEB
border
#D5C9C6
text
#170907
muted
#857B7A