#18558D#18558D
#18558D is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 44.2% C 0.110 H 250.5°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).
Color values
| HEX | #18558D |
|---|---|
| RGB | rgb(24, 85, 141) |
| HSL | hsl(209, 71%, 32%) |
| HSV | hsv(209, 83%, 55%) |
| CMYK | cmyk(83%, 39.7%, 0%, 44.7%) |
| CIE-LAB | lab(35.23, 2.18, -36.41) |
| CIE-LCH | lch(35.23, 36.47, 273.42°) |
| OKLab | oklab(44.15% -0.0368 -0.104) |
| OKLCH | oklch(44.15% 0.11 250.5) |
| XYZ | xyz(8.4311, 8.6132, 26.4123) |
| Luminance | 0.0861 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Light Navy
#155084
ΔE00 1.84
Dusk Blue
#26538D
ΔE00 2.22
Light Navy Blue
#2E5A88
ΔE00 2.38
Deep Sea Blue
#015482
ΔE00 3.18
Denim Blue
#3B5B92
ΔE00 4.85
Denim (survey)
#3B638C
ΔE00 5.40
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#18558D #8D5018
analogous
#188D8B #18558D #181B8D
triadic
#18558D #8D1855 #558D18
tetradic
#18558D #8B188D #8D5018 #1B8D18
square
#18558D #8B188D #8D5018 #1B8D18
split-complementary
#18558D #8D181B #8D8B18
monochromatic
#061624 #0F3559 #18558D #2175C1 #4193DF
Accessibility & contrast
On white
7.71
#18558D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.72
#18558D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #18558D
7.71:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##18558D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##18558D | 1.00 | 7.71 | 2.72 | 7.71 |
| #FFFFFF | 7.71 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.72 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.71 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3A598F
Deuteranopia (green-blind)
#284E8C
Tritanopia (blue-blind)
#00626A
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #18558d; /* rgb */ color: rgb(24, 85, 141); /* oklch */ color: oklch(44.2% 0.110 250.5);
Tailwind
colors: {
custom: {
50: '#6984af',
500: '#18558d',
950: '#000000',
},
}SCSS
$custom: #18558d; $custom-light: #6984af; $custom-dark: #000000;
JSON
{
"hex": "#18558d",
"rgb": {
"r": 24,
"g": 85,
"b": 141
},
"hsl": {
"h": 208.718,
"s": 70.909,
"l": 32.353
},
"oklch": {
"l": 0.44153,
"c": 0.11029,
"h": 250.5
},
"luminance": 0.08614
}Semantic roles & 50–950 ramp
primary
#18558D
secondary
#BF7E42
accent
#903AEE
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#070A10
muted
#7A7C7F