#18556D#18556D
#18556D is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.3% C 0.072 H 228.8°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).
Color values
| HEX | #18556D |
|---|---|
| RGB | rgb(24, 85, 109) |
| HSL | hsl(197, 64%, 26%) |
| HSV | hsv(197, 78%, 43%) |
| CMYK | cmyk(78%, 22%, 0%, 57.3%) |
| CIE-LAB | lab(33.55, -10.33, -19.29) |
| CIE-LCH | lch(33.55, 21.89, 241.83°) |
| OKLab | oklab(42.28% -0.0475 -0.0542) |
| OKLCH | oklch(42.28% 0.072 228.8) |
| XYZ | xyz(6.3844, 7.7946, 15.6331) |
| Luminance | 0.0780 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 6.27
Dark Grey Blue
#29465B
ΔE00 6.83
Deep Sea Blue
#015482
ΔE00 7.05
Ugly Blue
#31668A
ΔE00 7.98
Petrol
#005F6A
ΔE00 8.33
Peacock Blue
#016795
ΔE00 8.61
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#18556D #6D3018
analogous
#186D5A #18556D #182A6D
triadic
#18556D #6D1855 #556D18
tetradic
#18556D #5A186D #6D3018 #2A6D18
square
#18556D #5A186D #6D3018 #2A6D18
split-complementary
#18556D #6D182A #6D5A18
monochromatic
#061419 #0D2E3B #18556D #237C9F #2EA3D1
Accessibility & contrast
On white
8.21
#18556D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.56
#18556D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #18556D
8.21:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##18556D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##18556D | 1.00 | 8.21 | 2.56 | 8.21 |
| #FFFFFF | 8.21 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.56 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.21 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#48546E
Deuteranopia (green-blind)
#3D4B6D
Tritanopia (blue-blind)
#005C5D
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #18556d; /* rgb */ color: rgb(24, 85, 109); /* oklch */ color: oklch(42.3% 0.072 228.8);
Tailwind
colors: {
custom: {
50: '#638497',
500: '#18556d',
950: '#000000',
},
}SCSS
$custom: #18556d; $custom-light: #638497; $custom-dark: #000000;
JSON
{
"hex": "#18556d",
"rgb": {
"r": 24,
"g": 85,
"b": 109
},
"hsl": {
"h": 196.941,
"s": 63.91,
"l": 26.078
},
"oklch": {
"l": 0.42277,
"c": 0.07203,
"h": 228.8
},
"luminance": 0.07795
}Semantic roles & 50–950 ramp
primary
#18556D
secondary
#A35B3E
accent
#7041E7
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#060B0D
muted
#7A7C7E