#C55738#C55738
#C55738 is a mid, vivid red. Relative luminance 0.190; OKLCH L 59.1% C 0.148 H 36.5°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).
Color values
| HEX | #C55738 |
|---|---|
| RGB | rgb(197, 87, 56) |
| HSL | hsl(13, 56%, 50%) |
| HSV | hsv(13, 72%, 77%) |
| CMYK | cmyk(0%, 55.8%, 71.6%, 22.7%) |
| CIE-LAB | lab(50.66, 41.97, 38.93) |
| CIE-LCH | lch(50.66, 57.25, 42.85°) |
| OKLab | oklab(59.05% 0.1191 0.0883) |
| OKLCH | oklch(59.05% 0.148 36.5) |
| XYZ | xyz(27.1506, 18.9757, 5.9736) |
| Luminance | 0.1897 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Terracotta (survey)
#CA6641
ΔE00 4.49
Terra Cotta
#C9643B
ΔE00 4.50
Terracota
#CB6843
ΔE00 5.05
Clay
#B66A50
ΔE00 6.20
Adobe
#BD6C48
ΔE00 6.43
Terracotta
#C96F4A
ΔE00 6.89
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C55738 #38A6C5
analogous
#C53860 #C55738 #C59D38
triadic
#C55738 #38C557 #5738C5
tetradic
#C55738 #60C538 #38A6C5 #9D38C5
square
#C55738 #60C538 #38A6C5 #9D38C5
split-complementary
#C55738 #38C59D #3860C5
monochromatic
#662D1D #95422A #C55738 #D47F67 #E1A796
Accessibility & contrast
On white
4.38
#C55738 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.79
#C55738 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #C55738
4.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C55738 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##C55738 | 1.00 | 4.38 | 4.79 | 4.79 |
| #FFFFFF | 4.38 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.79 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.79 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#756A34
Deuteranopia (green-blind)
#908235
Tritanopia (blue-blind)
#D84050
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #c55738; /* rgb */ color: rgb(197, 87, 56); /* oklch */ color: oklch(59.1% 0.148 36.5);
Tailwind
colors: {
custom: {
50: '#dd8970',
500: '#c55738',
950: '#000000',
},
}SCSS
$custom: #c55738; $custom-light: #dd8970; $custom-dark: #000000;
JSON
{
"hex": "#c55738",
"rgb": {
"r": 197,
"g": 87,
"b": 56
},
"hsl": {
"h": 13.191,
"s": 55.731,
"l": 49.608
},
"oklch": {
"l": 0.59051,
"c": 0.14829,
"h": 36.5
},
"luminance": 0.18972
}Semantic roles & 50–950 ramp
primary
#C55738
secondary
#8CBECD
accent
#BEDF49
background
#FEF8F6
surface
#FDF0EC
border
#D5CBC7
text
#160C07
muted
#847D7A