#C73A3F#C73A3F
#C73A3F is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.9% C 0.178 H 23.2°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).
Color values
| HEX | #C73A3F |
|---|---|
| RGB | rgb(199, 58, 63) |
| HSL | hsl(358, 56%, 50%) |
| HSV | hsv(358, 71%, 78%) |
| CMYK | cmyk(0%, 70.9%, 68.3%, 22%) |
| CIE-LAB | lab(46.35, 55.67, 30.02) |
| CIE-LCH | lch(46.35, 63.25, 28.33°) |
| OKLab | oklab(55.91% 0.1632 0.0699) |
| OKLCH | oklch(55.91% 0.178 23.2) |
| XYZ | xyz(25.9663, 15.5309, 6.3322) |
| Luminance | 0.1553 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 1.61
Dull Red
#BB3F3F
ΔE00 2.23
Crimson
#DC143C
ΔE00 4.17
Dusty Red
#B9484E
ΔE00 4.38
Cardinal
#C41E3A
ΔE00 4.46
Cherry (survey)
#CF0234
ΔE00 4.49
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C73A3F #3AC7C2
analogous
#C73A86 #C73A3F #C77B3A
triadic
#C73A3F #3FC73A #3A3FC7
tetradic
#C73A3F #86C73A #3AC7C2 #7B3AC7
square
#C73A3F #86C73A #3AC7C2 #7B3AC7
split-complementary
#C73A3F #3AC77B #3A86C7
monochromatic
#691E20 #982B2F #C73A3F #D56A6D #E2999C
Accessibility & contrast
On white
5.12
#C73A3F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.11
#C73A3F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C73A3F
5.12:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C73A3F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C73A3F | 1.00 | 5.12 | 4.11 | 5.12 |
| #FFFFFF | 5.12 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.11 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.12 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#625B3E
Deuteranopia (green-blind)
#85793B
Tritanopia (blue-blind)
#DB063D
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #c73a3f; /* rgb */ color: rgb(199, 58, 63); /* oklch */ color: oklch(55.9% 0.178 23.2);
Tailwind
colors: {
custom: {
50: '#e07a74',
500: '#c73a3f',
950: '#000000',
},
}SCSS
$custom: #c73a3f; $custom-light: #e07a74; $custom-dark: #000000;
JSON
{
"hex": "#c73a3f",
"rgb": {
"r": 199,
"g": 58,
"b": 63
},
"hsl": {
"h": 357.872,
"s": 55.731,
"l": 50.392
},
"oklch": {
"l": 0.55905,
"c": 0.17752,
"h": 23.2
},
"luminance": 0.15527
}Semantic roles & 50–950 ramp
primary
#C73A3F
secondary
#8FCECC
accent
#DFDA49
background
#FEF7F7
surface
#FDEEED
border
#D5C9C8
text
#170A08
muted
#857C7B