#C33636#C33636
#C33636 is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.7% C 0.178 H 25.3°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).
Color values
| HEX | #C33636 |
|---|---|
| RGB | rgb(195, 54, 54) |
| HSL | hsl(0, 57%, 49%) |
| HSV | hsv(0, 72%, 76%) |
| CMYK | cmyk(0%, 72.3%, 72.3%, 23.5%) |
| CIE-LAB | lab(44.96, 55.44, 33.48) |
| CIE-LCH | lch(44.96, 64.76, 31.13°) |
| OKLab | oklab(54.69% 0.161 0.0761) |
| OKLCH | oklch(54.69% 0.178 25.3) |
| XYZ | xyz(24.4935, 14.5105, 5.0004) |
| Luminance | 0.1451 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 2.40
Reddish
#C44240
ΔE00 2.42
Cherry (survey)
#CF0234
ΔE00 4.65
Cardinal
#C41E3A
ΔE00 4.88
Crimson
#DC143C
ΔE00 5.38
Firebrick
#B22222
ΔE00 5.64
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C33636 #36C3C3
analogous
#C3367D #C33636 #C37D36
triadic
#C33636 #36C336 #3636C3
tetradic
#C33636 #7DC336 #36C3C3 #7D36C3
square
#C33636 #7DC336 #36C3C3 #7D36C3
split-complementary
#C33636 #36C37D #367DC3
monochromatic
#631B1B #932929 #C33636 #D46363 #E19292
Accessibility & contrast
On white
5.38
#C33636 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.90
#C33636 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C33636
5.38:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C33636 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C33636 | 1.00 | 5.38 | 3.90 | 5.38 |
| #FFFFFF | 5.38 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.90 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.38 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F5734
Deuteranopia (green-blind)
#827531
Tritanopia (blue-blind)
#D60038
Achromatopsia (no color)
#6A6A6A
Design tokens & code
CSS
--color: #c33636; /* rgb */ color: rgb(195, 54, 54); /* oklch */ color: oklch(54.7% 0.178 25.3);
Tailwind
colors: {
custom: {
50: '#de776d',
500: '#c33636',
950: '#000000',
},
}SCSS
$custom: #c33636; $custom-light: #de776d; $custom-dark: #000000;
JSON
{
"hex": "#c33636",
"rgb": {
"r": 195,
"g": 54,
"b": 54
},
"hsl": {
"h": 0,
"s": 56.627,
"l": 48.824
},
"oklch": {
"l": 0.54687,
"c": 0.17812,
"h": 25.3
},
"luminance": 0.14507
}Semantic roles & 50–950 ramp
primary
#C33636
secondary
#89CCCC
accent
#E0E048
background
#FEF7F6
surface
#FDEEEB
border
#D5C9C6
text
#170907
muted
#857B7A