#C43930#C43930
#C43930 is a mid, vivid red. Relative luminance 0.149; OKLCH L 55.1% C 0.177 H 28.1°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).
Color values
| HEX | #C43930 |
|---|---|
| RGB | rgb(196, 57, 48) |
| HSL | hsl(4, 61%, 48%) |
| HSV | hsv(4, 76%, 77%) |
| CMYK | cmyk(0%, 70.9%, 75.5%, 23.1%) |
| CIE-LAB | lab(45.47, 54.40, 37.54) |
| CIE-LCH | lch(45.47, 66.09, 34.61°) |
| OKLab | oklab(55.08% 0.1564 0.0836) |
| OKLCH | oklch(55.08% 0.177 28.1) |
| XYZ | xyz(24.7644, 14.8792, 4.3637) |
| Luminance | 0.1487 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 3.54
Dull Red
#BB3F3F
ΔE00 4.19
Firebrick
#B22222
ΔE00 5.80
Scarlet
#BE0119
ΔE00 6.00
Cherry (survey)
#CF0234
ΔE00 6.57
Crimson
#DC143C
ΔE00 7.01
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C43930 #30BBC4
analogous
#C43071 #C43930 #C48330
triadic
#C43930 #30C439 #3930C4
tetradic
#C43930 #71C430 #30BBC4 #8330C4
square
#C43930 #71C430 #30BBC4 #8330C4
split-complementary
#C43930 #30C483 #3071C4
monochromatic
#621C18 #932B24 #C43930 #D7625A #E3918C
Accessibility & contrast
On white
5.28
#C43930 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.97
#C43930 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C43930
5.28:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C43930 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C43930 | 1.00 | 5.28 | 3.97 | 5.28 |
| #FFFFFF | 5.28 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.97 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.28 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#62582E
Deuteranopia (green-blind)
#84772B
Tritanopia (blue-blind)
#D80038
Achromatopsia (no color)
#6C6C6C
Design tokens & code
CSS
--color: #c43930; /* rgb */ color: rgb(196, 57, 48); /* oklch */ color: oklch(55.1% 0.177 28.1);
Tailwind
colors: {
custom: {
50: '#df7969',
500: '#c43930',
950: '#000000',
},
}SCSS
$custom: #c43930; $custom-light: #df7969; $custom-dark: #000000;
JSON
{
"hex": "#c43930",
"rgb": {
"r": 196,
"g": 57,
"b": 48
},
"hsl": {
"h": 3.649,
"s": 60.656,
"l": 47.843
},
"oklch": {
"l": 0.5508,
"c": 0.1773,
"h": 28.1
},
"luminance": 0.14875
}Semantic roles & 50–950 ramp
primary
#C43930
secondary
#83C8CD
accent
#DAE444
background
#FEF7F6
surface
#FDEEEB
border
#D5C9C6
text
#170A06
muted
#857C7A