Cobalt
#1537CB
BlueColor Codes
All color formats for development
HEX
#1537CBRGB
rgb(21, 55, 203)HSL
hsl(229, 81%, 44%)OKLCH
oklch(0.435 0.227 265.5)CMYK
cmyk(90%, 73%, 0%, 20%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#1331B7
2#112CA2
3#0F268E
4#0D217A
5#0B1B66
6#091651
7#06103D
8#040B29
9#020514
Tints
Lighter variations
1#183EE5
2#3052E9
3#4A68EC
4#647DEF
5#7E93F1
6#98A9F4
7#B1BEF7
8#CBD4FA
9#E5E9FC
Tones
Muted variations
1#1E3CC2
2#2742B9
3#3148B0
4#3A4EA7
5#43539E
6#4C5995
7#555F8B
8#5E6582
9#676A79
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F1F3 #F1F3FE | BackgroundsSubtle highlightsCard backgrounds |
| 100 | DFE4 #DFE4FC | Light backgroundsTable row hoverSkeleton loading |
| 200 | C3CD #C3CDF9 | Secondary backgroundsInput backgroundsDividers |
| 300 | 95A6 #95A6F4 | BordersInactive statesPlaceholder text |
| 400 | 5D78 #5D78EE | Disabled statesSecondary iconsMuted text |
| 500 | 2F51 #2F51E9 | Primary brand colorCTAsActive elementsLinks |
| 600 | 1537 #1537CB | Hover statesFocus ringsPrimary buttons hover |
| 700 | 112B #112BA2 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0C1F #0C1F73 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0814 #08144A | Primary textHigh emphasis contentDark headings |
| 950 | 050C #050C2E | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F1F3FE;
--cobalt-100: #DFE4FC;
--cobalt-200: #C3CDF9;
--cobalt-300: #95A6F4;
--cobalt-400: #5D78EE;
--cobalt-500: #2F51E9;
--cobalt-600: #1537CB;
--cobalt-700: #112BA2;
--cobalt-800: #0C1F73;
--cobalt-900: #08144A;
--cobalt-950: #050C2E;
}