Cobalt
#15579D
BlueColor Codes
All color formats for development
HEX
#15579DRGB
rgb(21, 87, 157)HSL
hsl(211, 76%, 35%)OKLCH
oklch(0.456 0.13 253.9)CMYK
cmyk(87%, 45%, 0%, 38%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#134E8D
2#11467E
3#0F3D6E
4#0D345E
5#0B2B4F
6#09233F
7#061A2F
8#04111F
9#020910
Tints
Lighter variations
1#1967BA
2#1D77D7
3#3388E3
4#5099E7
5#6DAAEB
6#8ABBEF
7#A7CCF3
8#C5DDF7
9#E2EEFB
Tones
Muted variations
1#1C5796
2#235790
3#2A5889
4#315882
5#37587B
6#3E5874
7#45596E
8#4C5967
9#525960
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F7 #F2F7FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E0ED #E0EDFB | Light backgroundsTable row hoverSkeleton loading |
| 200 | C5DD #C5DDF7 | Secondary backgroundsInput backgroundsDividers |
| 300 | 98C3 #98C3F1 | BordersInactive statesPlaceholder text |
| 400 | 62A3 #62A3EA | Disabled statesSecondary iconsMuted text |
| 500 | 3589 #3589E3 | Primary brand colorCTAsActive elementsLinks |
| 600 | 1B6D #1B6DC5 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1557 #15579D | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0F3E #0F3E70 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0A28 #0A2848 | Primary textHigh emphasis contentDark headings |
| 950 | 0619 #06192D | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F7FD;
--cobalt-100: #E0EDFB;
--cobalt-200: #C5DDF7;
--cobalt-300: #98C3F1;
--cobalt-400: #62A3EA;
--cobalt-500: #3589E3;
--cobalt-600: #1B6DC5;
--cobalt-700: #15579D;
--cobalt-800: #0F3E70;
--cobalt-900: #0A2848;
--cobalt-950: #06192D;
}