#C6403B#C6403B
#C6403B is a mid, vivid red. Relative luminance 0.160; OKLCH L 56.3% C 0.171 H 26.3°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).
Color values
| HEX | #C6403B |
|---|---|
| RGB | rgb(198, 64, 59) |
| HSL | hsl(2, 55%, 50%) |
| HSV | hsv(2, 70%, 78%) |
| CMYK | cmyk(0%, 67.7%, 70.2%, 22.4%) |
| CIE-LAB | lab(46.96, 52.82, 33.05) |
| CIE-LCH | lch(46.96, 62.31, 32.04°) |
| OKLab | oklab(56.31% 0.1535 0.076) |
| OKLCH | oklch(56.31% 0.171 26.3) |
| XYZ | xyz(25.9143, 15.9921, 5.8591) |
| Luminance | 0.1599 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 1.31
Dull Red
#BB3F3F
ΔE00 3.00
Dark Coral
#CF524E
ΔE00 5.13
Faded Red
#D3494E
ΔE00 5.15
Dusty Red
#B9484E
ΔE00 5.76
Crimson
#DC143C
ΔE00 5.84
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C6403B #3BC1C6
analogous
#C63B7C #C6403B #C6853B
triadic
#C6403B #3BC640 #403BC6
tetradic
#C6403B #7CC63B #3BC1C6 #853BC6
square
#C6403B #7CC63B #3BC1C6 #853BC6
split-complementary
#C6403B #3BC685 #3B7CC6
monochromatic
#68211E #98302C #C6403B #D46E6A #E29C9A
Accessibility & contrast
On white
5.00
#C6403B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.20
#C6403B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #C6403B
5.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C6403B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##C6403B | 1.00 | 5.00 | 4.20 | 5.00 |
| #FFFFFF | 5.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.20 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#655D39
Deuteranopia (green-blind)
#877A37
Tritanopia (blue-blind)
#D91940
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #c6403b; /* rgb */ color: rgb(198, 64, 59); /* oklch */ color: oklch(56.3% 0.171 26.3);
Tailwind
colors: {
custom: {
50: '#df7c71',
500: '#c6403b',
950: '#000000',
},
}SCSS
$custom: #c6403b; $custom-light: #df7c71; $custom-dark: #000000;
JSON
{
"hex": "#c6403b",
"rgb": {
"r": 198,
"g": 64,
"b": 59
},
"hsl": {
"h": 2.158,
"s": 54.941,
"l": 50.392
},
"oklch": {
"l": 0.5631,
"c": 0.17124,
"h": 26.3
},
"luminance": 0.15988
}Semantic roles & 50–950 ramp
primary
#C6403B
secondary
#8FCBCD
accent
#D9DE4A
background
#FEF7F6
surface
#FDEEEC
border
#D5C9C7
text
#170A07
muted
#857C7A