Cobalt
#153DCB
BlueColor Codes
All color formats for development
HEX
#153DCBRGB
rgb(21, 61, 203)HSL
hsl(227, 81%, 44%)OKLCH
oklch(0.444 0.221 265)CMYK
cmyk(90%, 70%, 0%, 20%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#1337B7
2#1131A2
3#0F2A8E
4#0D247A
5#0B1E66
6#091851
7#06123D
8#040C29
9#020614
Tints
Lighter variations
1#1844E5
2#3058E9
3#4A6DEC
4#6482EF
5#7E97F1
6#98ACF4
7#B1C0F7
8#CBD5FA
9#E5EAFC
Tones
Muted variations
1#1E42C2
2#2747B9
3#314CB0
4#3A51A7
5#43569E
6#4C5C95
7#55618B
8#5E6682
9#676B79
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F1F4 #F1F4FE | BackgroundsSubtle highlightsCard backgrounds |
| 100 | DFE5 #DFE5FC | Light backgroundsTable row hoverSkeleton loading |
| 200 | C3CF #C3CFF9 | Secondary backgroundsInput backgroundsDividers |
| 300 | 95A9 #95A9F4 | BordersInactive statesPlaceholder text |
| 400 | 5D7D #5D7DEE | Disabled statesSecondary iconsMuted text |
| 500 | 2F58 #2F58E9 | Primary brand colorCTAsActive elementsLinks |
| 600 | 153D #153DCB | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1130 #1130A2 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0C22 #0C2273 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0816 #08164A | Primary textHigh emphasis contentDark headings |
| 950 | 050E #050E2E | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F1F4FE;
--cobalt-100: #DFE5FC;
--cobalt-200: #C3CFF9;
--cobalt-300: #95A9F4;
--cobalt-400: #5D7DEE;
--cobalt-500: #2F58E9;
--cobalt-600: #153DCB;
--cobalt-700: #1130A2;
--cobalt-800: #0C2273;
--cobalt-900: #08164A;
--cobalt-950: #050E2E;
}