Cobalt
#283EB8
BlueColor Codes
All color formats for development
HEX
#283EB8RGB
rgb(40, 62, 184)HSL
hsl(231, 64%, 44%)OKLCH
oklch(0.433 0.192 268.5)CMYK
cmyk(78%, 66%, 0%, 28%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#2438A6
2#203293
3#1C2B81
4#18256E
5#141F5C
6#10194A
7#0C1337
8#080C25
9#040612
Tints
Lighter variations
1#2E46CF
2#445AD6
3#5B6EDB
4#7283E0
5#8A98E5
6#A1ACEA
7#B9C1F0
8#D0D6F5
9#E8EAFA
Tones
Muted variations
1#3043B1
2#3748AA
3#3E4DA2
4#45529B
5#4C5794
6#535C8D
7#5B6186
8#62667F
9#696B77
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F4 #F2F4FC | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E2E5 #E2E5F9 | Light backgroundsTable row hoverSkeleton loading |
| 200 | C9CF #C9CFF3 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9FAA #9FAAEA | BordersInactive statesPlaceholder text |
| 400 | 6D7E #6D7EDF | Disabled statesSecondary iconsMuted text |
| 500 | 4359 #4359D6 | Primary brand colorCTAsActive elementsLinks |
| 600 | 283E #283EB8 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 2031 #203192 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1723 #172369 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0F17 #0F1743 | Primary textHigh emphasis contentDark headings |
| 950 | 090E #090E2A | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F4FC;
--cobalt-100: #E2E5F9;
--cobalt-200: #C9CFF3;
--cobalt-300: #9FAAEA;
--cobalt-400: #6D7EDF;
--cobalt-500: #4359D6;
--cobalt-600: #283EB8;
--cobalt-700: #203192;
--cobalt-800: #172369;
--cobalt-900: #0F1743;
--cobalt-950: #090E2A;
}