#C42733#C42733
#C42733 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.6% C 0.191 H 23.2°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).
Color values
| HEX | #C42733 |
|---|---|
| RGB | rgb(196, 39, 51) |
| HSL | hsl(355, 67%, 46%) |
| HSV | hsv(355, 80%, 77%) |
| CMYK | cmyk(0%, 80.1%, 74%, 23.1%) |
| CIE-LAB | lab(43.40, 60.38, 33.50) |
| CIE-LCH | lch(43.40, 69.05, 29.03°) |
| OKLab | oklab(53.56% 0.1759 0.0755) |
| OKLCH | oklch(53.56% 0.191 23.2) |
| XYZ | xyz(24.0909, 13.4297, 4.4550) |
| Luminance | 0.1343 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Cherry (survey)
#CF0234
ΔE00 2.76
Cardinal
#C41E3A
ΔE00 3.05
Dull Red
#BB3F3F
ΔE00 3.45
Lipstick Red
#C0022F
ΔE00 3.45
Reddish
#C44240
ΔE00 4.23
Crimson
#DC143C
ΔE00 4.76
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C42733 #27C4B8
analogous
#C42781 #C42733 #C46927
triadic
#C42733 #33C427 #2733C4
tetradic
#C42733 #81C427 #27C4B8 #6927C4
square
#C42733 #81C427 #27C4B8 #6927C4
split-complementary
#C42733 #27C469 #2781C4
monochromatic
#5E1318 #911D26 #C42733 #DC4D58 #E68088
Accessibility & contrast
On white
5.70
#C42733 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.69
#C42733 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C42733
5.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C42733 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C42733 | 1.00 | 5.70 | 3.69 | 5.70 |
| #FFFFFF | 5.70 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.69 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.70 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#585132
Deuteranopia (green-blind)
#7F722D
Tritanopia (blue-blind)
#D8002D
Achromatopsia (no color)
#676767
Design tokens & code
CSS
--color: #c42733; /* rgb */ color: rgb(196, 39, 51); /* oklch */ color: oklch(53.6% 0.191 23.2);
Tailwind
colors: {
custom: {
50: '#df716b',
500: '#c42733',
950: '#000000',
},
}SCSS
$custom: #c42733; $custom-light: #df716b; $custom-dark: #000000;
JSON
{
"hex": "#c42733",
"rgb": {
"r": 196,
"g": 39,
"b": 51
},
"hsl": {
"h": 355.414,
"s": 66.809,
"l": 46.078
},
"oklch": {
"l": 0.53555,
"c": 0.19144,
"h": 23.2
},
"luminance": 0.13426
}Semantic roles & 50–950 ramp
primary
#C42733
secondary
#79CEC8
accent
#EADD3E
background
#FFF7F6
surface
#FEEDEB
border
#D6C8C6
text
#170906
muted
#857B7A