Cobalt
#253A8E
BlueColor Codes
All color formats for development
HEX
#253A8ERGB
rgb(37, 58, 142)HSL
hsl(228, 59%, 35%)OKLCH
oklch(0.386 0.141 268.3)CMYK
cmyk(74%, 59%, 0%, 44%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#213480
2#1D2E72
3#1A2863
4#162355
5#121D47
6#0F1739
7#0B112B
8#070C1C
9#04060E
Tints
Lighter variations
1#2B44A8
2#324FC3
3#4762CF
4#6178D6
5#7B8FDD
6#96A5E4
7#B0BCEB
8#CAD2F1
9#E5E9F8
Tones
Muted variations
1#2A3D89
2#2F4083
3#34437E
4#3A4679
5#3F4974
6#444D6E
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 | E3E7 #E3E7F8 | Light backgroundsTable row hoverSkeleton loading |
| 200 | CAD2 #CAD2F1 | Secondary backgroundsInput backgroundsDividers |
| 300 | A2B0 #A2B0E7 | BordersInactive statesPlaceholder text |
| 400 | 7186 #7186DA | Disabled statesSecondary iconsMuted text |
| 500 | 4964 #4964D0 | Primary brand colorCTAsActive elementsLinks |
| 600 | 2E48 #2E48B2 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 253A #253A8E | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1A29 #1A2965 | Text on light backgroundsHeadingsStrong borders |
| 900 | 111A #111A41 | Primary textHigh emphasis contentDark headings |
| 950 | 0A10 #0A1029 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F3F5FC;
--cobalt-100: #E3E7F8;
--cobalt-200: #CAD2F1;
--cobalt-300: #A2B0E7;
--cobalt-400: #7186DA;
--cobalt-500: #4964D0;
--cobalt-600: #2E48B2;
--cobalt-700: #253A8E;
--cobalt-800: #1A2965;
--cobalt-900: #111A41;
--cobalt-950: #0A1029;
}