#C43E37#C43E37
#C43E37 is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.7% C 0.172 H 27.2°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).
Color values
| HEX | #C43E37 |
|---|---|
| RGB | rgb(196, 62, 55) |
| HSL | hsl(3, 56%, 49%) |
| HSV | hsv(3, 72%, 77%) |
| CMYK | cmyk(0%, 68.4%, 71.9%, 23.1%) |
| CIE-LAB | lab(46.26, 52.77, 34.45) |
| CIE-LCH | lch(46.26, 63.02, 33.14°) |
| OKLab | oklab(55.7% 0.1527 0.0784) |
| OKLCH | oklch(55.7% 0.172 27.2) |
| XYZ | xyz(25.1799, 15.4605, 5.2720) |
| Luminance | 0.1546 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 2.12
Dull Red
#BB3F3F
ΔE00 3.19
Dark Coral
#CF524E
ΔE00 6.03
Faded Red
#D3494E
ΔE00 6.15
Cherry (survey)
#CF0234
ΔE00 6.31
Crimson
#DC143C
ΔE00 6.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C43E37 #37BDC4
analogous
#C43777 #C43E37 #C48537
triadic
#C43E37 #37C43E #3E37C4
tetradic
#C43E37 #77C437 #37BDC4 #8537C4
square
#C43E37 #77C437 #37BDC4 #8537C4
split-complementary
#C43E37 #37C485 #3777C4
monochromatic
#64201C #942F2A #C43E37 #D46A65 #E19894
Accessibility & contrast
On white
5.13
#C43E37 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.09
#C43E37 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C43E37
5.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C43E37 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C43E37 | 1.00 | 5.13 | 4.09 | 5.13 |
| #FFFFFF | 5.13 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.09 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.13 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#645B35
Deuteranopia (green-blind)
#857833
Tritanopia (blue-blind)
#D7143E
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #c43e37; /* rgb */ color: rgb(196, 62, 55); /* oklch */ color: oklch(55.7% 0.172 27.2);
Tailwind
colors: {
custom: {
50: '#de7b6e',
500: '#c43e37',
950: '#000000',
},
}SCSS
$custom: #c43e37; $custom-light: #de7b6e; $custom-dark: #000000;
JSON
{
"hex": "#c43e37",
"rgb": {
"r": 196,
"g": 62,
"b": 55
},
"hsl": {
"h": 2.979,
"s": 56.175,
"l": 49.216
},
"oklch": {
"l": 0.55698,
"c": 0.17165,
"h": 27.2
},
"luminance": 0.15457
}Semantic roles & 50–950 ramp
primary
#C43E37
secondary
#8BC9CC
accent
#D8DF48
background
#FEF7F6
surface
#FDEEEC
border
#D5C9C7
text
#170A07
muted
#857C7A