Cobalt
#274E8B
BlueColor Codes
All color formats for development
HEX
#274E8BRGB
rgb(39, 78, 139)HSL
hsl(217, 56%, 35%)OKLCH
oklch(0.429 0.111 259.1)CMYK
cmyk(72%, 44%, 0%, 45%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#23467D
2#1F3E6F
3#1B3661
4#182F54
5#142746
6#101F38
7#0C172A
8#08101C
9#04080E
Tints
Lighter variations
1#2F5CA5
2#366ABF
3#4A7CCC
4#648FD3
5#7EA1DB
6#98B4E2
7#B1C7E9
8#CBDAF0
9#E5ECF8
Tones
Muted variations
1#2C4F86
2#315081
3#36517C
4#3B5277
5#405372
6#45556D
7#4A5668
8#4F5763
9#54585E
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F3F6 #F3F6FC | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E3EB #E3EBF7 | Light backgroundsTable row hoverSkeleton loading |
| 200 | CBDA #CBDAF0 | Secondary backgroundsInput backgroundsDividers |
| 300 | A4BD #A4BDE5 | BordersInactive statesPlaceholder text |
| 400 | 749A #749AD8 | Disabled statesSecondary iconsMuted text |
| 500 | 4C7D #4C7DCD | Primary brand colorCTAsActive elementsLinks |
| 600 | 3162 #3162AF | Hover statesFocus ringsPrimary buttons hover |
| 700 | 274E #274E8B | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1C37 #1C3763 | Text on light backgroundsHeadingsStrong borders |
| 900 | 1223 #122340 | Primary textHigh emphasis contentDark headings |
| 950 | 0B16 #0B1628 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F3F6FC;
--cobalt-100: #E3EBF7;
--cobalt-200: #CBDAF0;
--cobalt-300: #A4BDE5;
--cobalt-400: #749AD8;
--cobalt-500: #4C7DCD;
--cobalt-600: #3162AF;
--cobalt-700: #274E8B;
--cobalt-800: #1C3763;
--cobalt-900: #122340;
--cobalt-950: #0B1628;
}