Cobalt

#233A90

Blue

Color Codes

All color formats for development

HEX
#233A90
RGB
rgb(35, 58, 144)
HSL
hsl(227, 61%, 35%)
OKLCH
oklch(0.387 0.145 267.6)
CMYK
cmyk(76%, 60%, 0%, 44%)

Accessibility

WCAG contrast compliance

On White Background

10.10:1

AA AAA

On Black Background

2.08:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F5
100
#E2E7
200
#CAD2
300
#A1B0
400
#6F87
500
#4665
600
#2C49
700
#233A
800
#192A
900
#101B
950
#0A11

Shades

Darker variations

1#1F3581
2#1C2F73
3#182965
4#152356
5#111D48
6#0E1739
7#0A122B
8#070C1D
9#03060E

Tints

Lighter variations

1#2945AA
2#3050C5
3#4463D2
4#5F79D8
5#7A8FDF
6#94A6E5
7#AFBCEC
8#CAD2F2
9#E4E9F9

Tones

Muted variations

1#283D8A
2#2E4185
3#33447F
4#39477A
5#3E4A74
6#434D6F
7#49506A
8#4E5364
9#54565F

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F5
#F3F5FC
BackgroundsSubtle highlightsCard backgrounds
100
E2E7
#E2E7F8
Light backgroundsTable row hoverSkeleton loading
200
CAD2
#CAD2F2
Secondary backgroundsInput backgroundsDividers
300
A1B0
#A1B0E8
BordersInactive statesPlaceholder text
400
6F87
#6F87DC
Disabled statesSecondary iconsMuted text
500
4665
#4665D2
Primary brand colorCTAsActive elementsLinks
600
2C49
#2C49B5
Hover statesFocus ringsPrimary buttons hover
700
233A
#233A90
Active/pressed statesDark mode accentsSecondary text
800
192A
#192A67
Text on light backgroundsHeadingsStrong borders
900
101B
#101B42
Primary textHigh emphasis contentDark headings
950
0A11
#0A1129
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F5FC;
  --cobalt-100: #E2E7F8;
  --cobalt-200: #CAD2F2;
  --cobalt-300: #A1B0E8;
  --cobalt-400: #6F87DC;
  --cobalt-500: #4665D2;
  --cobalt-600: #2C49B5;
  --cobalt-700: #233A90;
  --cobalt-800: #192A67;
  --cobalt-900: #101B42;
  --cobalt-950: #0A1129;
}
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