#C33740#C33740
#C33740 is a mid, vivid red. Relative luminance 0.147; OKLCH L 54.9% C 0.176 H 21.8°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).
Color values
| HEX | #C33740 |
|---|---|
| RGB | rgb(195, 55, 64) |
| HSL | hsl(356, 56%, 49%) |
| HSV | hsv(356, 72%, 76%) |
| CMYK | cmyk(0%, 71.8%, 67.2%, 23.5%) |
| CIE-LAB | lab(45.23, 55.57, 27.88) |
| CIE-LCH | lch(45.23, 62.17, 26.64°) |
| OKLab | oklab(54.94% 0.1636 0.0655) |
| OKLCH | oklch(54.94% 0.176 21.8) |
| XYZ | xyz(24.7999, 14.7083, 6.3826) |
| Luminance | 0.1470 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 2.07
Reddish
#C44240
ΔE00 2.83
Cardinal
#C41E3A
ΔE00 3.23
Dusty Red
#B9484E
ΔE00 3.79
Cherry (survey)
#CF0234
ΔE00 3.93
Crimson
#DC143C
ΔE00 4.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C33740 #37C3BA
analogous
#C33786 #C33740 #C37437
triadic
#C33740 #40C337 #3740C3
tetradic
#C33740 #86C337 #37C3BA #7437C3
square
#C33740 #86C337 #37C3BA #7437C3
split-complementary
#C33740 #37C374 #3786C3
monochromatic
#641C21 #932A30 #C33740 #D3646B #E19499
Accessibility & contrast
On white
5.33
#C33740 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.94
#C33740 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C33740
5.33:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C33740 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C33740 | 1.00 | 5.33 | 3.94 | 5.33 |
| #FFFFFF | 5.33 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.94 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.33 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5E583F
Deuteranopia (green-blind)
#82763C
Tritanopia (blue-blind)
#D6013C
Achromatopsia (no color)
#6B6B6B
Design tokens & code
CSS
--color: #c33740; /* rgb */ color: rgb(195, 55, 64); /* oklch */ color: oklch(54.9% 0.176 21.8);
Tailwind
colors: {
custom: {
50: '#dd7874',
500: '#c33740',
950: '#000000',
},
}SCSS
$custom: #c33740; $custom-light: #dd7874; $custom-dark: #000000;
JSON
{
"hex": "#c33740",
"rgb": {
"r": 195,
"g": 55,
"b": 64
},
"hsl": {
"h": 356.143,
"s": 56,
"l": 49.02
},
"oklch": {
"l": 0.54939,
"c": 0.17619,
"h": 21.8
},
"luminance": 0.14705
}Semantic roles & 50–950 ramp
primary
#C33740
secondary
#8ACCC8
accent
#DFD649
background
#FEF7F7
surface
#FDEEED
border
#D5C9C8
text
#170A08
muted
#857C7B