Cobalt

#0F25A3

Blue

Color Codes

All color formats for development

HEX
#0F25A3
RGB
rgb(15, 37, 163)
HSL
hsl(231, 83%, 35%)
OKLCH
oklch(0.361 0.198 266)
CMYK
cmyk(91%, 77%, 0%, 36%)

Accessibility

WCAG contrast compliance

On White Background

11.58:1

AA AAA

On Black Background

1.81:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F3
100
#DEE3
200
#C2CB
300
#94A2
400
#5C72
500
#2D4A
600
#132F
700
#0F25
800
#0B1B
900
#0711
950
#040B

Shades

Darker variations

1#0E2293
2#0C1E83
3#0B1A72
4#091662
5#081352
6#060F41
7#050B31
8#030721
9#020410

Tints

Lighter variations

1#122CC2
2#1533E0
3#2B48EB
4#4962EE
5#677CF1
6#8696F4
7#A4B0F7
8#C2CBF9
9#E1E5FC

Tones

Muted variations

1#172B9C
2#1E3095
3#25358D
4#2D3A86
5#343F7E
6#3C4577
7#434A6F
8#4A4F68
9#525461

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F3
#F1F3FE
BackgroundsSubtle highlightsCard backgrounds
100
DEE3
#DEE3FC
Light backgroundsTable row hoverSkeleton loading
200
C2CB
#C2CBF9
Secondary backgroundsInput backgroundsDividers
300
94A2
#94A2F5
BordersInactive statesPlaceholder text
400
5C72
#5C72F0
Disabled statesSecondary iconsMuted text
500
2D4A
#2D4AEB
Primary brand colorCTAsActive elementsLinks
600
132F
#132FCD
Hover statesFocus ringsPrimary buttons hover
700
0F25
#0F25A3
Active/pressed statesDark mode accentsSecondary text
800
0B1B
#0B1B75
Text on light backgroundsHeadingsStrong borders
900
0711
#07114B
Primary textHigh emphasis contentDark headings
950
040B
#040B2F
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F3FE;
  --cobalt-100: #DEE3FC;
  --cobalt-200: #C2CBF9;
  --cobalt-300: #94A2F5;
  --cobalt-400: #5C72F0;
  --cobalt-500: #2D4AEB;
  --cobalt-600: #132FCD;
  --cobalt-700: #0F25A3;
  --cobalt-800: #0B1B75;
  --cobalt-900: #07114B;
  --cobalt-950: #040B2F;
}
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