#C64137#C64137
#C64137 is a mid, vivid red. Relative luminance 0.161; OKLCH L 56.4% C 0.171 H 28.1°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #C64137 |
|---|---|
| RGB | rgb(198, 65, 55) |
| HSL | hsl(4, 57%, 50%) |
| HSV | hsv(4, 72%, 78%) |
| CMYK | cmyk(0%, 67.2%, 72.2%, 22.4%) |
| CIE-LAB | lab(47.06, 52.22, 35.46) |
| CIE-LCH | lch(47.06, 63.13, 34.18°) |
| OKLab | oklab(56.36% 0.1508 0.0805) |
| OKLCH | oklch(56.36% 0.171 28.1) |
| XYZ | xyz(25.8714, 16.0660, 5.3524) |
| Luminance | 0.1606 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 2.62
Dull Red
#BB3F3F
ΔE00 4.05
Dark Coral
#CF524E
ΔE00 5.62
Faded Red
#D3494E
ΔE00 6.08
Dark Salmon
#C85A53
ΔE00 6.56
Pale Red
#D9544D
ΔE00 6.84
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C64137 #37BCC6
analogous
#C63774 #C64137 #C68937
triadic
#C64137 #37C641 #4137C6
tetradic
#C64137 #74C637 #37BCC6 #8937C6
square
#C64137 #74C637 #37BCC6 #8937C6
split-complementary
#C64137 #37C689 #3774C6
monochromatic
#66221C #96312A #C64137 #D46E66 #E29B96
Accessibility & contrast
On white
4.99
#C64137 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.21
#C64137 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C64137
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C64137 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C64137 | 1.00 | 4.99 | 4.21 | 4.99 |
| #FFFFFF | 4.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.21 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#665D35
Deuteranopia (green-blind)
#877A33
Tritanopia (blue-blind)
#DA1A40
Achromatopsia (no color)
#707070
Design tokens & code
CSS
--color: #c64137; /* rgb */ color: rgb(198, 65, 55); /* oklch */ color: oklch(56.4% 0.171 28.1);
Tailwind
colors: {
custom: {
50: '#df7d6e',
500: '#c64137',
950: '#000000',
},
}SCSS
$custom: #c64137; $custom-light: #df7d6e; $custom-dark: #000000;
JSON
{
"hex": "#c64137",
"rgb": {
"r": 198,
"g": 65,
"b": 55
},
"hsl": {
"h": 4.196,
"s": 56.522,
"l": 49.608
},
"oklch": {
"l": 0.56365,
"c": 0.1709,
"h": 28.1
},
"luminance": 0.16062
}Semantic roles & 50–950 ramp
primary
#C64137
secondary
#8CC9CD
accent
#D5E048
background
#FEF7F6
surface
#FDEEEC
border
#D5C9C7
text
#170A07
muted
#857C7A