#C43939#C43939
#C43939 is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.2% C 0.176 H 25.0°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).
Color values
| HEX | #C43939 |
|---|---|
| RGB | rgb(196, 57, 57) |
| HSL | hsl(0, 55%, 50%) |
| HSV | hsv(0, 71%, 77%) |
| CMYK | cmyk(0%, 70.9%, 70.9%, 23.1%) |
| CIE-LAB | lab(45.58, 54.79, 32.50) |
| CIE-LCH | lch(45.58, 63.71, 30.67°) |
| OKLab | oklab(55.2% 0.1595 0.0745) |
| OKLCH | oklch(55.2% 0.176 25) |
| XYZ | xyz(24.9694, 14.9612, 5.4431) |
| Luminance | 0.1496 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 1.74
Dull Red
#BB3F3F
ΔE00 2.12
Cherry (survey)
#CF0234
ΔE00 4.81
Cardinal
#C41E3A
ΔE00 4.97
Crimson
#DC143C
ΔE00 5.14
Dusty Red
#B9484E
ΔE00 5.40
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C43939 #39C4C4
analogous
#C4397F #C43939 #C47F39
triadic
#C43939 #39C439 #3939C4
tetradic
#C43939 #7FC439 #39C4C4 #7F39C4
square
#C43939 #7FC439 #39C4C4 #7F39C4
split-complementary
#C43939 #39C47F #397FC4
monochromatic
#651D1D #952B2B #C43939 #D36767 #E19797
Accessibility & contrast
On white
5.26
#C43939 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.99
#C43939 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C43939
5.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C43939 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C43939 | 1.00 | 5.26 | 3.99 | 5.26 |
| #FFFFFF | 5.26 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.99 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.26 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#615938
Deuteranopia (green-blind)
#837734
Tritanopia (blue-blind)
#D7033B
Achromatopsia (no color)
#6C6C6C
Design tokens & code
CSS
--color: #c43939; /* rgb */ color: rgb(196, 57, 57); /* oklch */ color: oklch(55.2% 0.176 25.0);
Tailwind
colors: {
custom: {
50: '#de796f',
500: '#c43939',
950: '#000000',
},
}SCSS
$custom: #c43939; $custom-light: #de796f; $custom-dark: #000000;
JSON
{
"hex": "#c43939",
"rgb": {
"r": 196,
"g": 57,
"b": 57
},
"hsl": {
"h": 0,
"s": 54.941,
"l": 49.608
},
"oklch": {
"l": 0.552,
"c": 0.17605,
"h": 25
},
"luminance": 0.14957
}Semantic roles & 50–950 ramp
primary
#C43939
secondary
#8DCCCC
accent
#DEDE4A
background
#FEF7F6
surface
#FDEEEC
border
#D5C9C7
text
#170A07
muted
#857C7A