Cobalt

#1531CB

Blue

Color Codes

All color formats for development

HEX
#1531CB
RGB
rgb(21, 49, 203)
HSL
hsl(231, 81%, 44%)
OKLCH
oklch(0.426 0.233 265.9)
CMYK
cmyk(90%, 76%, 0%, 20%)

Accessibility

WCAG contrast compliance

On White Background

9.00:1

AA AAA

On Black Background

2.33:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F3
100
#DFE3
200
#C3CB
300
#95A3
400
#5D73
500
#2F4B
600
#1531
700
#1127
800
#0C1C
900
#0812
950
#050B

Shades

Darker variations

1#132CB7
2#1127A2
3#0F228E
4#0D1D7A
5#0B1866
6#091351
7#060F3D
8#040A29
9#020514

Tints

Lighter variations

1#1837E5
2#304CE9
3#4A62EC
4#6479EF
5#7E8FF1
6#98A5F4
7#B1BCF7
8#CBD2FA
9#E5E9FC

Tones

Muted variations

1#1E37C2
2#273DB9
3#3144B0
4#3A4AA7
5#43509E
6#4C5795
7#555D8B
8#5E6382
9#676A79

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F3
#F1F3FE
BackgroundsSubtle highlightsCard backgrounds
100
DFE3
#DFE3FC
Light backgroundsTable row hoverSkeleton loading
200
C3CB
#C3CBF9
Secondary backgroundsInput backgroundsDividers
300
95A3
#95A3F4
BordersInactive statesPlaceholder text
400
5D73
#5D73EE
Disabled statesSecondary iconsMuted text
500
2F4B
#2F4BE9
Primary brand colorCTAsActive elementsLinks
600
1531
#1531CB
Hover statesFocus ringsPrimary buttons hover
700
1127
#1127A2
Active/pressed statesDark mode accentsSecondary text
800
0C1C
#0C1C73
Text on light backgroundsHeadingsStrong borders
900
0812
#08124A
Primary textHigh emphasis contentDark headings
950
050B
#050B2E
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F3FE;
  --cobalt-100: #DFE3FC;
  --cobalt-200: #C3CBF9;
  --cobalt-300: #95A3F4;
  --cobalt-400: #5D73EE;
  --cobalt-500: #2F4BE9;
  --cobalt-600: #1531CB;
  --cobalt-700: #1127A2;
  --cobalt-800: #0C1C73;
  --cobalt-900: #08124A;
  --cobalt-950: #050B2E;
}
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