Cobalt

#135ECD

Blue

Color Codes

All color formats for development

HEX
#135ECD
RGB
rgb(19, 94, 205)
HSL
hsl(216, 83%, 44%)
OKLCH
oklch(0.508 0.186 259.4)
CMYK
cmyk(91%, 54%, 0%, 20%)

Accessibility

WCAG contrast compliance

On White Background

5.98:1

AA AAA

On Black Background

3.51:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F6
100
#DEEA
200
#C2D8
300
#94BB
400
#5C97
500
#2D79
600
#135E
700
#0F4A
800
#0B35
900
#0722
950
#0415

Shades

Darker variations

1#1154B9
2#0F4BA4
3#0D4290
4#0B387B
5#0A2F67
6#082552
7#061C3E
8#041329
9#020915

Tints

Lighter variations

1#1669E7
2#2E7AEC
3#488AEE
4#629BF0
5#7CACF3
6#96BCF5
7#B1CDF8
8#CBDEFA
9#E5EEFD

Tones

Muted variations

1#1C5FC4
2#2661BB
3#2F63B1
4#3865A8
5#42679F
6#4B6995
7#546B8C
8#5E6C83
9#676E7A

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F6
#F1F6FE
BackgroundsSubtle highlightsCard backgrounds
100
DEEA
#DEEAFC
Light backgroundsTable row hoverSkeleton loading
200
C2D8
#C2D8F9
Secondary backgroundsInput backgroundsDividers
300
94BB
#94BBF5
BordersInactive statesPlaceholder text
400
5C97
#5C97F0
Disabled statesSecondary iconsMuted text
500
2D79
#2D79EB
Primary brand colorCTAsActive elementsLinks
600
135E
#135ECD
Hover statesFocus ringsPrimary buttons hover
700
0F4A
#0F4AA3
Active/pressed statesDark mode accentsSecondary text
800
0B35
#0B3575
Text on light backgroundsHeadingsStrong borders
900
0722
#07224B
Primary textHigh emphasis contentDark headings
950
0415
#04152F
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F6FE;
  --cobalt-100: #DEEAFC;
  --cobalt-200: #C2D8F9;
  --cobalt-300: #94BBF5;
  --cobalt-400: #5C97F0;
  --cobalt-500: #2D79EB;
  --cobalt-600: #135ECD;
  --cobalt-700: #0F4AA3;
  --cobalt-800: #0B3575;
  --cobalt-900: #07224B;
  --cobalt-950: #04152F;
}
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