Cobalt

#135EA0

Blue

Color Codes

All color formats for development

HEX
#135EA0
RGB
rgb(19, 94, 160)
HSL
hsl(208, 79%, 35%)
OKLCH
oklch(0.475 0.127 250.7)
CMYK
cmyk(88%, 41%, 0%, 37%)

Accessibility

WCAG contrast compliance

On White Background

6.70:1

AA AAA

On Black Background

3.14:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F8
100
#DFEE
200
#C4E0
300
#96C7
400
#5FAA
500
#3292
600
#1876
700
#135E
800
#0D43
900
#092B
950
#051B

Shades

Darker variations

1#115590
2#0F4B80
3#0D4270
4#0B3860
5#092F50
6#072640
7#061C30
8#041320
9#020910

Tints

Lighter variations

1#166FBD
2#1A81DB
3#2F91E7
4#4DA1EA
5#6BB0EE
6#88C0F1
7#A6D0F5
8#C4E0F8
9#E1EFFC

Tones

Muted variations

1#1A5D99
2#215D92
3#285D8B
4#2F5C84
5#365C7D
6#3D5B75
7#445B6E
8#4B5A67
9#525A60

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F8
#F1F8FD
BackgroundsSubtle highlightsCard backgrounds
100
DFEE
#DFEEFB
Light backgroundsTable row hoverSkeleton loading
200
C4E0
#C4E0F8
Secondary backgroundsInput backgroundsDividers
300
96C7
#96C7F3
BordersInactive statesPlaceholder text
400
5FAA
#5FAAEC
Disabled statesSecondary iconsMuted text
500
3292
#3292E7
Primary brand colorCTAsActive elementsLinks
600
1876
#1876C9
Hover statesFocus ringsPrimary buttons hover
700
135E
#135EA0
Active/pressed statesDark mode accentsSecondary text
800
0D43
#0D4372
Text on light backgroundsHeadingsStrong borders
900
092B
#092B49
Primary textHigh emphasis contentDark headings
950
051B
#051B2E
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F8FD;
  --cobalt-100: #DFEEFB;
  --cobalt-200: #C4E0F8;
  --cobalt-300: #96C7F3;
  --cobalt-400: #5FAAEC;
  --cobalt-500: #3292E7;
  --cobalt-600: #1876C9;
  --cobalt-700: #135EA0;
  --cobalt-800: #0D4372;
  --cobalt-900: #092B49;
  --cobalt-950: #051B2E;
}
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