#C33743#C33743
#C33743 is a mid, vivid red. Relative luminance 0.147; OKLCH L 55.0% C 0.176 H 20.6°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).
Color values
| HEX | #C33743 |
|---|---|
| RGB | rgb(195, 55, 67) |
| HSL | hsl(355, 56%, 49%) |
| HSV | hsv(355, 72%, 76%) |
| CMYK | cmyk(0%, 71.8%, 65.6%, 23.5%) |
| CIE-LAB | lab(45.28, 55.74, 26.13) |
| CIE-LCH | lch(45.28, 61.56, 25.12°) |
| OKLab | oklab(54.99% 0.1647 0.0619) |
| OKLCH | oklch(54.99% 0.176 20.6) |
| XYZ | xyz(24.8876, 14.7434, 6.8444) |
| Luminance | 0.1474 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 2.71
Cardinal
#C41E3A
ΔE00 3.08
Dusty Red
#B9484E
ΔE00 3.37
Reddish
#C44240
ΔE00 3.51
Cherry (survey)
#CF0234
ΔE00 4.11
Crimson
#DC143C
ΔE00 4.42
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C33743 #37C3B7
analogous
#C33789 #C33743 #C37137
triadic
#C33743 #43C337 #3743C3
tetradic
#C33743 #89C337 #37C3B7 #7137C3
square
#C33743 #89C337 #37C3B7 #7137C3
split-complementary
#C33743 #37C371 #3789C3
monochromatic
#641C22 #932A33 #C33743 #D3646D #E1949A
Accessibility & contrast
On white
5.32
#C33743 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.95
#C33743 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C33743
5.32:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C33743 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C33743 | 1.00 | 5.32 | 3.95 | 5.32 |
| #FFFFFF | 5.32 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.95 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.32 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5E5842
Deuteranopia (green-blind)
#81763F
Tritanopia (blue-blind)
#D6033D
Achromatopsia (no color)
#6B6B6B
Design tokens & code
CSS
--color: #c33743; /* rgb */ color: rgb(195, 55, 67); /* oklch */ color: oklch(55.0% 0.176 20.6);
Tailwind
colors: {
custom: {
50: '#dd7877',
500: '#c33743',
950: '#000000',
},
}SCSS
$custom: #c33743; $custom-light: #dd7877; $custom-dark: #000000;
JSON
{
"hex": "#c33743",
"rgb": {
"r": 195,
"g": 55,
"b": 67
},
"hsl": {
"h": 354.857,
"s": 56,
"l": 49.02
},
"oklch": {
"l": 0.54991,
"c": 0.17598,
"h": 20.6
},
"luminance": 0.1474
}Semantic roles & 50–950 ramp
primary
#C33743
secondary
#8ACCC6
accent
#DFD249
background
#FEF7F7
surface
#FDEEED
border
#D5C9C8
text
#160A08
muted
#847C7B