#18558E#18558E
#18558E is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 44.2% C 0.112 H 250.9°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).
Color values
| HEX | #18558E |
|---|---|
| RGB | rgb(24, 85, 142) |
| HSL | hsl(209, 71%, 33%) |
| HSV | hsv(209, 83%, 56%) |
| CMYK | cmyk(83.1%, 40.1%, 0%, 44.3%) |
| CIE-LAB | lab(35.29, 2.58, -36.92) |
| CIE-LCH | lch(35.29, 37.01, 273.99°) |
| OKLab | oklab(44.22% -0.0365 -0.1055) |
| OKLCH | oklch(44.22% 0.112 250.9) |
| XYZ | xyz(8.5058, 8.6431, 26.8059) |
| Luminance | 0.0864 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Light Navy
#155084
ΔE00 1.91
Dusk Blue
#26538D
ΔE00 2.13
Light Navy Blue
#2E5A88
ΔE00 2.39
Deep Sea Blue
#015482
ΔE00 3.34
Denim Blue
#3B5B92
ΔE00 4.76
Denim (survey)
#3B638C
ΔE00 5.39
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#18558E #8E5118
analogous
#188E8C #18558E #181A8E
triadic
#18558E #8E1855 #558E18
tetradic
#18558E #8C188E #8E5118 #1A8E18
square
#18558E #8C188E #8E5118 #1A8E18
split-complementary
#18558E #8E181A #8E8C18
monochromatic
#061625 #0F365A #18558E #2174C2 #4193DF
Accessibility & contrast
On white
7.70
#18558E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.73
#18558E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #18558E
7.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##18558E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##18558E | 1.00 | 7.70 | 2.73 | 7.70 |
| #FFFFFF | 7.70 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.73 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.70 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#395990
Deuteranopia (green-blind)
#274E8D
Tritanopia (blue-blind)
#00636A
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #18558e; /* rgb */ color: rgb(24, 85, 142); /* oklch */ color: oklch(44.2% 0.112 250.9);
Tailwind
colors: {
custom: {
50: '#6a84af',
500: '#18558e',
950: '#000000',
},
}SCSS
$custom: #18558e; $custom-light: #6a84af; $custom-dark: #000000;
JSON
{
"hex": "#18558e",
"rgb": {
"r": 24,
"g": 85,
"b": 142
},
"hsl": {
"h": 208.983,
"s": 71.084,
"l": 32.549
},
"oklch": {
"l": 0.44219,
"c": 0.11163,
"h": 250.9
},
"luminance": 0.08644
}Semantic roles & 50–950 ramp
primary
#18558E
secondary
#C07F42
accent
#913AEE
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#070A10
muted
#7A7C7F