Cobalt
#284B8A
BlueColor Codes
All color formats for development
HEX
#284B8ARGB
rgb(40, 75, 138)HSL
hsl(219, 55%, 35%)OKLCH
oklch(0.421 0.113 261.1)CMYK
cmyk(71%, 46%, 0%, 46%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#24437D
2#203C6F
3#1C3461
4#182D53
5#142545
6#101E37
7#0C162A
8#080F1C
9#04070E
Tints
Lighter variations
1#3058A4
2#3766BE
3#4B78CB
4#658BD2
5#7F9EDA
6#98B2E1
7#B2C5E9
8#CCD8F0
9#E5ECF8
Tones
Muted variations
1#2D4C85
2#324D81
3#374F7C
4#3C5077
5#415272
6#46536D
7#4B5568
8#4F5663
9#54585E
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F3F6 #F3F6FC | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E3EA #E3EAF7 | Light backgroundsTable row hoverSkeleton loading |
| 200 | CCD8 #CCD8F0 | Secondary backgroundsInput backgroundsDividers |
| 300 | A4BB #A4BBE5 | BordersInactive statesPlaceholder text |
| 400 | 7597 #7597D7 | Disabled statesSecondary iconsMuted text |
| 500 | 4D79 #4D79CB | Primary brand colorCTAsActive elementsLinks |
| 600 | 325E #325EAE | Hover statesFocus ringsPrimary buttons hover |
| 700 | 284B #284B8A | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1D35 #1D3563 | Text on light backgroundsHeadingsStrong borders |
| 900 | 1222 #12223F | Primary textHigh emphasis contentDark headings |
| 950 | 0B15 #0B1528 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F3F6FC;
--cobalt-100: #E3EAF7;
--cobalt-200: #CCD8F0;
--cobalt-300: #A4BBE5;
--cobalt-400: #7597D7;
--cobalt-500: #4D79CB;
--cobalt-600: #325EAE;
--cobalt-700: #284B8A;
--cobalt-800: #1D3563;
--cobalt-900: #12223F;
--cobalt-950: #0B1528;
}