Cobalt
#28418A
BlueColor Codes
All color formats for development
HEX
#28418ARGB
rgb(40, 65, 138)HSL
hsl(225, 55%, 35%)OKLCH
oklch(0.399 0.125 266.5)CMYK
cmyk(71%, 53%, 0%, 46%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#243A7D
2#20346F
3#1C2D61
4#182753
5#142045
6#101A37
7#0C132A
8#080D1C
9#04060E
Tints
Lighter variations
1#304DA4
2#3759BE
3#4B6BCB
4#6580D2
5#7F95DA
6#98AAE1
7#B2C0E9
8#CCD5F0
9#E5EAF8
Tones
Muted variations
1#2D4385
2#324681
3#37487C
4#3C4B77
5#414D72
6#464F6D
7#4B5268
8#4F5463
9#54575E
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F3F5 #F3F5FC | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E3E8 #E3E8F7 | Light backgroundsTable row hoverSkeleton loading |
| 200 | CCD5 #CCD5F0 | Secondary backgroundsInput backgroundsDividers |
| 300 | A4B4 #A4B4E5 | BordersInactive statesPlaceholder text |
| 400 | 758D #758DD7 | Disabled statesSecondary iconsMuted text |
| 500 | 4D6D #4D6DCB | Primary brand colorCTAsActive elementsLinks |
| 600 | 3251 #3251AE | Hover statesFocus ringsPrimary buttons hover |
| 700 | 2841 #28418A | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1D2E #1D2E63 | Text on light backgroundsHeadingsStrong borders |
| 900 | 121E #121E3F | Primary textHigh emphasis contentDark headings |
| 950 | 0B12 #0B1228 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F3F5FC;
--cobalt-100: #E3E8F7;
--cobalt-200: #CCD5F0;
--cobalt-300: #A4B4E5;
--cobalt-400: #758DD7;
--cobalt-500: #4D6DCB;
--cobalt-600: #3251AE;
--cobalt-700: #28418A;
--cobalt-800: #1D2E63;
--cobalt-900: #121E3F;
--cobalt-950: #0B1228;
}