Cobalt

#233E90

Blue

Color Codes

All color formats for development

HEX
#233E90
RGB
rgb(35, 62, 144)
HSL
hsl(225, 61%, 35%)
OKLCH
oklch(0.395 0.14 266.2)
CMYK
cmyk(76%, 57%, 0%, 44%)

Accessibility

WCAG contrast compliance

On White Background

9.71:1

AA AAA

On Black Background

2.16:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F5
100
#E2E8
200
#CAD4
300
#A1B2
400
#6F8B
500
#4669
600
#2C4E
700
#233E
800
#192C
900
#101C
950
#0A12

Shades

Darker variations

1#1F3881
2#1C3273
3#182B65
4#152556
5#111F48
6#0E1939
7#0A132B
8#070C1D
9#03060E

Tints

Lighter variations

1#294AAA
2#3055C5
3#4468D2
4#5F7DD8
5#7A93DF
6#94A8E5
7#AFBEEC
8#CAD4F2
9#E4E9F9

Tones

Muted variations

1#28418A
2#2E4385
3#33467F
4#39497A
5#3E4C74
6#434E6F
7#49516A
8#4E5464
9#54575F

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F5
#F3F5FC
BackgroundsSubtle highlightsCard backgrounds
100
E2E8
#E2E8F8
Light backgroundsTable row hoverSkeleton loading
200
CAD4
#CAD4F2
Secondary backgroundsInput backgroundsDividers
300
A1B2
#A1B2E8
BordersInactive statesPlaceholder text
400
6F8B
#6F8BDC
Disabled statesSecondary iconsMuted text
500
4669
#4669D2
Primary brand colorCTAsActive elementsLinks
600
2C4E
#2C4EB5
Hover statesFocus ringsPrimary buttons hover
700
233E
#233E90
Active/pressed statesDark mode accentsSecondary text
800
192C
#192C67
Text on light backgroundsHeadingsStrong borders
900
101C
#101C42
Primary textHigh emphasis contentDark headings
950
0A12
#0A1229
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F5FC;
  --cobalt-100: #E2E8F8;
  --cobalt-200: #CAD4F2;
  --cobalt-300: #A1B2E8;
  --cobalt-400: #6F8BDC;
  --cobalt-500: #4669D2;
  --cobalt-600: #2C4EB5;
  --cobalt-700: #233E90;
  --cobalt-800: #192C67;
  --cobalt-900: #101C42;
  --cobalt-950: #0A1229;
}
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