Cobalt
#2A43B7
BlueColor Codes
All color formats for development
HEX
#2A43B7RGB
rgb(42, 67, 183)HSL
hsl(229, 63%, 44%)OKLCH
oklch(0.442 0.185 268.2)CMYK
cmyk(77%, 63%, 0%, 28%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#253DA5
2#213692
3#1D2F80
4#19286E
5#15225B
6#111B49
7#0C1437
8#080D25
9#040712
Tints
Lighter variations
1#2F4CCE
2#455FD5
3#5C73DA
4#7387DF
5#8B9BE5
6#A2AFEA
7#B9C3EF
8#D0D7F4
9#E8EBFA
Tones
Muted variations
1#3148B0
2#384CA9
3#3F51A2
4#46559B
5#4D5A94
6#545E8C
7#5B6385
8#62677E
9#696C77
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F3F4 #F3F4FC | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E2E6 #E2E6F8 | Light backgroundsTable row hoverSkeleton loading |
| 200 | C9D1 #C9D1F3 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9FAD #9FADE9 | BordersInactive statesPlaceholder text |
| 400 | 6E82 #6E82DE | Disabled statesSecondary iconsMuted text |
| 500 | 445E #445ED5 | Primary brand colorCTAsActive elementsLinks |
| 600 | 2A43 #2A43B7 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 2136 #213691 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1826 #182668 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0F19 #0F1943 | Primary textHigh emphasis contentDark headings |
| 950 | 090F #090F2A | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F3F4FC;
--cobalt-100: #E2E6F8;
--cobalt-200: #C9D1F3;
--cobalt-300: #9FADE9;
--cobalt-400: #6E82DE;
--cobalt-500: #445ED5;
--cobalt-600: #2A43B7;
--cobalt-700: #213691;
--cobalt-800: #182668;
--cobalt-900: #0F1943;
--cobalt-950: #090F2A;
}