Cobalt
#2B4E88
BlueColor Codes
All color formats for development
HEX
#2B4E88RGB
rgb(43, 78, 136)HSL
hsl(217, 52%, 35%)OKLCH
oklch(0.428 0.105 259.9)CMYK
cmyk(68%, 43%, 0%, 47%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#27477A
2#223F6D
3#1E375F
4#1A2F51
5#152744
6#111F36
7#0D1829
8#09101B
9#04080E
Tints
Lighter variations
1#335DA1
2#3B6CBA
3#4F7DC7
4#688FCF
5#81A2D7
6#9AB5DF
7#B3C7E7
8#CDDAEF
9#E6ECF7
Tones
Muted variations
1#2F5083
2#34517E
3#39527A
4#3D5375
5#425470
6#47556C
7#4B5667
8#505763
9#55585E
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F3F6 #F3F6FB | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E4EB #E4EBF6 | Light backgroundsTable row hoverSkeleton loading |
| 200 | CDDA #CDDAEF | Secondary backgroundsInput backgroundsDividers |
| 300 | A6BD #A6BDE3 | BordersInactive statesPlaceholder text |
| 400 | 779B #779BD4 | Disabled statesSecondary iconsMuted text |
| 500 | 517E #517EC8 | Primary brand colorCTAsActive elementsLinks |
| 600 | 3663 #3663AB | Hover statesFocus ringsPrimary buttons hover |
| 700 | 2B4E #2B4E88 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1F38 #1F3861 | Text on light backgroundsHeadingsStrong borders |
| 900 | 1424 #14243E | Primary textHigh emphasis contentDark headings |
| 950 | 0C16 #0C1627 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F3F6FB;
--cobalt-100: #E4EBF6;
--cobalt-200: #CDDAEF;
--cobalt-300: #A6BDE3;
--cobalt-400: #779BD4;
--cobalt-500: #517EC8;
--cobalt-600: #3663AB;
--cobalt-700: #2B4E88;
--cobalt-800: #1F3861;
--cobalt-900: #14243E;
--cobalt-950: #0C1627;
}