#C43D3F#C43D3F
#C43D3F is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.7% C 0.172 H 23.9°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).
Color values
| HEX | #C43D3F |
|---|---|
| RGB | rgb(196, 61, 63) |
| HSL | hsl(359, 53%, 50%) |
| HSV | hsv(359, 69%, 77%) |
| CMYK | cmyk(0%, 68.9%, 67.9%, 23.1%) |
| CIE-LAB | lab(46.23, 53.56, 29.74) |
| CIE-LCH | lch(46.23, 61.27, 29.04°) |
| OKLab | oklab(55.71% 0.1569 0.0694) |
| OKLCH | oklch(55.71% 0.172 23.9) |
| XYZ | xyz(25.3336, 15.4358, 6.3471) |
| Luminance | 0.1543 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 1.11
Dull Red
#BB3F3F
ΔE00 1.71
Dusty Red
#B9484E
ΔE00 4.21
Cardinal
#C41E3A
ΔE00 4.81
Crimson
#DC143C
ΔE00 4.85
Faded Red
#D3494E
ΔE00 4.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C43D3F #3DC4C2
analogous
#C43D82 #C43D3F #C47E3D
triadic
#C43D3F #3FC43D #3D3FC4
tetradic
#C43D3F #82C43D #3DC4C2 #7E3DC4
square
#C43D3F #82C43D #3DC4C2 #7E3DC4
split-complementary
#C43D3F #3DC47E #3D82C4
monochromatic
#671F20 #962E2F #C43D3F #D26C6D #E19B9C
Accessibility & contrast
On white
5.14
#C43D3F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.09
#C43D3F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C43D3F
5.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C43D3F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C43D3F | 1.00 | 5.14 | 4.09 | 5.14 |
| #FFFFFF | 5.14 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.09 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.14 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#625B3E
Deuteranopia (green-blind)
#84783B
Tritanopia (blue-blind)
#D7153F
Achromatopsia (no color)
#6D6D6D
Design tokens & code
CSS
--color: #c43d3f; /* rgb */ color: rgb(196, 61, 63); /* oklch */ color: oklch(55.7% 0.172 23.9);
Tailwind
colors: {
custom: {
50: '#de7b74',
500: '#c43d3f',
950: '#000000',
},
}SCSS
$custom: #c43d3f; $custom-light: #de7b74; $custom-dark: #000000;
JSON
{
"hex": "#c43d3f",
"rgb": {
"r": 196,
"g": 61,
"b": 63
},
"hsl": {
"h": 359.111,
"s": 53.36,
"l": 50.392
},
"oklch": {
"l": 0.55709,
"c": 0.17154,
"h": 23.9
},
"luminance": 0.15432
}Semantic roles & 50–950 ramp
primary
#C43D3F
secondary
#90CDCC
accent
#DDDB4B
background
#FEF7F7
surface
#FDEEED
border
#D5C9C8
text
#170A08
muted
#857C7B