Cobalt

#1F3A93

Blue

Color Codes

All color formats for development

HEX
#1F3A93
RGB
rgb(31, 58, 147)
HSL
hsl(226, 65%, 35%)
OKLCH
oklch(0.387 0.15 266.4)
CMYK
cmyk(79%, 61%, 0%, 42%)

Accessibility

WCAG contrast compliance

On White Background

10.07:1

AA AAA

On Black Background

2.08:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F5
100
#E2E7
200
#C8D2
300
#9EB0
400
#6C87
500
#4264
600
#2749
700
#1F3A
800
#162A
900
#0E1B
950
#0911

Shades

Darker variations

1#1C3485
2#192F76
3#162967
4#132358
5#101D4A
6#0C173B
7#09112C
8#060C1D
9#03060F

Tints

Lighter variations

1#2545AF
2#2B50CA
3#4063D6
4#5B79DC
5#768FE2
6#92A6E8
7#ADBCEE
8#C8D2F3
9#E4E9F9

Tones

Muted variations

1#253D8D
2#2B4088
3#314482
4#36477C
5#3C4A76
6#424D70
7#48506B
8#4E5365
9#53565F

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F5
#F2F5FC
BackgroundsSubtle highlightsCard backgrounds
100
E2E7
#E2E7F9
Light backgroundsTable row hoverSkeleton loading
200
C8D2
#C8D2F3
Secondary backgroundsInput backgroundsDividers
300
9EB0
#9EB0EA
BordersInactive statesPlaceholder text
400
6C87
#6C87E0
Disabled statesSecondary iconsMuted text
500
4264
#4264D7
Primary brand colorCTAsActive elementsLinks
600
2749
#2749B9
Hover statesFocus ringsPrimary buttons hover
700
1F3A
#1F3A93
Active/pressed statesDark mode accentsSecondary text
800
162A
#162A69
Text on light backgroundsHeadingsStrong borders
900
0E1B
#0E1B43
Primary textHigh emphasis contentDark headings
950
0911
#09112A
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F5FC;
  --cobalt-100: #E2E7F9;
  --cobalt-200: #C8D2F3;
  --cobalt-300: #9EB0EA;
  --cobalt-400: #6C87E0;
  --cobalt-500: #4264D7;
  --cobalt-600: #2749B9;
  --cobalt-700: #1F3A93;
  --cobalt-800: #162A69;
  --cobalt-900: #0E1B43;
  --cobalt-950: #09112A;
}
Generate More ShadesCreate PaletteConvert Color