#18516B#18516B
#18516B is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.1% C 0.072 H 232.4°. Best body text is #FFFFFF at 8.65:1 contrast (WCAG AA passes).
Color values
| HEX | #18516B |
|---|---|
| RGB | rgb(24, 81, 107) |
| HSL | hsl(199, 63%, 26%) |
| HSV | hsv(199, 78%, 42%) |
| CMYK | cmyk(77.6%, 24.3%, 0%, 58%) |
| CIE-LAB | lab(32.12, -8.65, -20.25) |
| CIE-LCH | lch(32.12, 22.03, 246.87°) |
| OKLab | oklab(41.11% -0.0439 -0.057) |
| OKLCH | oklch(41.11% 0.072 232.4) |
| XYZ | xyz(5.9719, 7.1399, 14.9705) |
| Luminance | 0.0714 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 4.50
Dark Grey Blue
#29465B
ΔE00 5.32
Deep Sea Blue
#015482
ΔE00 5.80
Light Navy
#155084
ΔE00 7.63
Dark Blue Grey
#1F3B4D
ΔE00 7.96
Prussian Blue
#004577
ΔE00 8.26
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#18516B #6B3218
analogous
#186B5B #18516B #18276B
triadic
#18516B #6B1851 #516B18
tetradic
#18516B #5B186B #6B3218 #276B18
square
#18516B #5B186B #6B3218 #276B18
split-complementary
#18516B #6B1827 #6B5B18
monochromatic
#061319 #0D2B39 #18516B #23779D #2E9DCF
Accessibility & contrast
On white
8.65
#18516B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.43
#18516B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #18516B
8.65:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##18516B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##18516B | 1.00 | 8.65 | 2.43 | 8.65 |
| #FFFFFF | 8.65 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.43 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.65 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#44506C
Deuteranopia (green-blind)
#39486B
Tritanopia (blue-blind)
#00585A
Achromatopsia (no color)
#4C4C4C
Design tokens & code
CSS
--color: #18516b; /* rgb */ color: rgb(24, 81, 107); /* oklch */ color: oklch(41.1% 0.072 232.4);
Tailwind
colors: {
custom: {
50: '#628195',
500: '#18516b',
950: '#000000',
},
}SCSS
$custom: #18516b; $custom-light: #628195; $custom-dark: #000000;
JSON
{
"hex": "#18516b",
"rgb": {
"r": 24,
"g": 81,
"b": 107
},
"hsl": {
"h": 198.795,
"s": 63.359,
"l": 25.686
},
"oklch": {
"l": 0.41106,
"c": 0.07193,
"h": 232.4
},
"luminance": 0.07141
}Semantic roles & 50–950 ramp
primary
#18516B
secondary
#A15D3E
accent
#7541E6
background
#F6F7F9
surface
#EBEEF1
border
#C6C9CB
text
#060A0D
muted
#7A7C7E