Cobalt
#1B5D98
BlueColor Codes
All color formats for development
HEX
#1B5D98RGB
rgb(27, 93, 152)HSL
hsl(208, 70%, 35%)OKLCH
oklch(0.469 0.115 249.9)CMYK
cmyk(82%, 39%, 0%, 40%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#185489
2#154B79
3#13416A
4#10385B
5#0D2F4C
6#0B253D
7#081C2E
8#05131E
9#03090F
Tints
Lighter variations
1#206FB4
2#2580D0
3#3A90DC
4#56A0E1
5#72B0E6
6#8EC0EB
7#AAD0F0
8#C7DFF5
9#E3EFFA
Tones
Muted variations
1#215D91
2#275D8B
3#2E5C85
4#345C7F
5#3A5B78
6#405B72
7#475A6C
8#4D5A66
9#535A5F
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F8 #F2F8FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E1EE #E1EEFA | Light backgroundsTable row hoverSkeleton loading |
| 200 | C7DF #C7DFF5 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9BC7 #9BC7ED | BordersInactive statesPlaceholder text |
| 400 | 67AA #67AAE4 | Disabled statesSecondary iconsMuted text |
| 500 | 3C92 #3C92DD | Primary brand colorCTAsActive elementsLinks |
| 600 | 2275 #2275BF | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1B5D #1B5D98 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1343 #13436C | Text on light backgroundsHeadingsStrong borders |
| 900 | 0C2B #0C2B45 | Primary textHigh emphasis contentDark headings |
| 950 | 081B #081B2B | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F8FD;
--cobalt-100: #E1EEFA;
--cobalt-200: #C7DFF5;
--cobalt-300: #9BC7ED;
--cobalt-400: #67AAE4;
--cobalt-500: #3C92DD;
--cobalt-600: #2275BF;
--cobalt-700: #1B5D98;
--cobalt-800: #13436C;
--cobalt-900: #0C2B45;
--cobalt-950: #081B2B;
}