#18519E#18519E
#18519E is a dark, vivid cyan. Relative luminance 0.085; OKLCH L 44.4% C 0.138 H 257.6°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).
Color values
| HEX | #18519E |
|---|---|
| RGB | rgb(24, 81, 158) |
| HSL | hsl(214, 74%, 36%) |
| HSV | hsv(214, 85%, 62%) |
| CMYK | cmyk(84.8%, 48.7%, 0%, 38%) |
| CIE-LAB | lab(35.10, 11.71, -46.91) |
| CIE-LCH | lch(35.10, 48.35, 284.01°) |
| OKLab | oklab(44.4% -0.0298 -0.1349) |
| OKLCH | oklch(44.4% 0.138 257.6) |
| XYZ | xyz(9.4884, 8.5465, 33.4907) |
| Luminance | 0.0855 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dusk Blue
#26538D
ΔE00 2.20
Cobalt (survey)
#1E488F
ΔE00 3.52
Sapphire
#0F52BA
ΔE00 3.66
Light Navy
#155084
ΔE00 3.79
Cobalt
#0047AB
ΔE00 4.04
Light Navy Blue
#2E5A88
ΔE00 4.20
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#18519E #9E6518
analogous
#18949E #18519E #22189E
triadic
#18519E #9E1851 #519E18
tetradic
#18519E #9E1894 #9E6518 #189E22
square
#18519E #9E1894 #9E6518 #189E22
split-complementary
#18519E #9E2218 #949E18
monochromatic
#081B34 #103669 #18519E #206CD3 #4D8DE4
Accessibility & contrast
On white
7.75
#18519E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.71
#18519E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #18519E
7.75:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##18519E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##18519E | 1.00 | 7.75 | 2.71 | 7.75 |
| #FFFFFF | 7.75 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.71 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.75 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2459A1
Deuteranopia (green-blind)
#004D9C
Tritanopia (blue-blind)
#006470
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #18519e; /* rgb */ color: rgb(24, 81, 158); /* oklch */ color: oklch(44.4% 0.138 257.6);
Tailwind
colors: {
custom: {
50: '#6e81bb',
500: '#18519e',
950: '#000000',
},
}SCSS
$custom: #18519e; $custom-light: #6e81bb; $custom-dark: #000000;
JSON
{
"hex": "#18519e",
"rgb": {
"r": 24,
"g": 81,
"b": 158
},
"hsl": {
"h": 214.478,
"s": 73.626,
"l": 35.686
},
"oklch": {
"l": 0.444,
"c": 0.13818,
"h": 257.6
},
"luminance": 0.08548
}Semantic roles & 50–950 ramp
primary
#18519E
secondary
#C6924C
accent
#A238F0
background
#F7F7FB
surface
#EDEEF6
border
#C8C9D0
text
#080A12
muted
#7B7C81