Cobalt

#252A8E

Blue

Color Codes

All color formats for development

HEX
#252A8E
RGB
rgb(37, 42, 142)
HSL
hsl(237, 59%, 35%)
OKLCH
oklch(0.356 0.161 272.6)
CMYK
cmyk(74%, 70%, 0%, 44%)

Accessibility

WCAG contrast compliance

On White Background

11.66:1

AA AAA

On Black Background

1.80:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F3
100
#E3E4
200
#CACC
300
#A2A5
400
#7176
500
#494F
600
#2E35
700
#252A
800
#1A1E
900
#1113
950
#0A0C

Shades

Darker variations

1#212680
2#1D2172
3#1A1D63
4#161955
5#121547
6#0F1139
7#0B0D2B
8#07081C
9#04040E

Tints

Lighter variations

1#2B32A8
2#3239C3
3#474DCF
4#6167D6
5#7B80DD
6#9699E4
7#B0B3EB
8#CACCF1
9#E5E6F8

Tones

Muted variations

1#2A2F89
2#2F3383
3#34387E
4#3A3D79
5#3F4274
6#44466E
7#494B69
8#4F5064
9#54555F

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F3
#F3F3FC
BackgroundsSubtle highlightsCard backgrounds
100
E3E4
#E3E4F8
Light backgroundsTable row hoverSkeleton loading
200
CACC
#CACCF1
Secondary backgroundsInput backgroundsDividers
300
A2A5
#A2A5E7
BordersInactive statesPlaceholder text
400
7176
#7176DA
Disabled statesSecondary iconsMuted text
500
494F
#494FD0
Primary brand colorCTAsActive elementsLinks
600
2E35
#2E35B2
Hover statesFocus ringsPrimary buttons hover
700
252A
#252A8E
Active/pressed statesDark mode accentsSecondary text
800
1A1E
#1A1E65
Text on light backgroundsHeadingsStrong borders
900
1113
#111341
Primary textHigh emphasis contentDark headings
950
0A0C
#0A0C29
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F3FC;
  --cobalt-100: #E3E4F8;
  --cobalt-200: #CACCF1;
  --cobalt-300: #A2A5E7;
  --cobalt-400: #7176DA;
  --cobalt-500: #494FD0;
  --cobalt-600: #2E35B2;
  --cobalt-700: #252A8E;
  --cobalt-800: #1A1E65;
  --cobalt-900: #111341;
  --cobalt-950: #0A0C29;
}
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