Cobalt
#243B8F
BlueColor Codes
All color formats for development
HEX
#243B8FRGB
rgb(36, 59, 143)HSL
hsl(227, 60%, 35%)OKLCH
oklch(0.388 0.142 267.6)CMYK
cmyk(75%, 59%, 0%, 44%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#203581
2#1D2F72
3#192964
4#152356
5#121D47
6#0E1839
7#0B122B
8#070C1D
9#04060E
Tints
Lighter variations
1#2A46A9
2#3151C4
3#4564D1
4#607AD7
5#7A90DE
6#95A6E4
7#AFBCEB
8#CAD3F2
9#E4E9F8
Tones
Muted variations
1#293E89
2#2E4184
3#34447F
4#394779
5#3E4A74
6#444D6F
7#495069
8#4F5364
9#54565F
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F3F5 #F3F5FC | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E2E7 #E2E7F8 | Light backgroundsTable row hoverSkeleton loading |
| 200 | CAD3 #CAD3F2 | Secondary backgroundsInput backgroundsDividers |
| 300 | A1B0 #A1B0E8 | BordersInactive statesPlaceholder text |
| 400 | 7087 #7087DB | Disabled statesSecondary iconsMuted text |
| 500 | 4765 #4765D1 | Primary brand colorCTAsActive elementsLinks |
| 600 | 2D4A #2D4AB4 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 243B #243B8F | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1A2A #1A2A66 | Text on light backgroundsHeadingsStrong borders |
| 900 | 101B #101B41 | Primary textHigh emphasis contentDark headings |
| 950 | 0A11 #0A1129 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F3F5FC;
--cobalt-100: #E2E7F8;
--cobalt-200: #CAD3F2;
--cobalt-300: #A1B0E8;
--cobalt-400: #7087DB;
--cobalt-500: #4765D1;
--cobalt-600: #2D4AB4;
--cobalt-700: #243B8F;
--cobalt-800: #1A2A66;
--cobalt-900: #101B41;
--cobalt-950: #0A1129;
}