Cobalt

#252D8E

Blue

Color Codes

All color formats for development

HEX
#252D8E
RGB
rgb(37, 45, 142)
HSL
hsl(235, 59%, 35%)
OKLCH
oklch(0.361 0.158 271.9)
CMYK
cmyk(74%, 68%, 0%, 44%)

Accessibility

WCAG contrast compliance

On White Background

11.38:1

AA AAA

On Black Background

1.84:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F4
100
#E3E4
200
#CACE
300
#A2A8
400
#717A
500
#4954
600
#2E39
700
#252D
800
#1A20
900
#1115
950
#0A0D

Shades

Darker variations

1#212980
2#1D2472
3#1A2063
4#161B55
5#121747
6#0F1239
7#0B0E2B
8#07091C
9#04050E

Tints

Lighter variations

1#2B36A8
2#323EC3
3#4752CF
4#616BD6
5#7B83DD
6#969CE4
7#B0B5EB
8#CACEF1
9#E5E6F8

Tones

Muted variations

1#2A3289
2#2F3683
3#343B7E
4#3A3F79
5#3F4374
6#44486E
7#494C69
8#4F5064
9#54555F

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F4
#F3F4FC
BackgroundsSubtle highlightsCard backgrounds
100
E3E4
#E3E4F8
Light backgroundsTable row hoverSkeleton loading
200
CACE
#CACEF1
Secondary backgroundsInput backgroundsDividers
300
A2A8
#A2A8E7
BordersInactive statesPlaceholder text
400
717A
#717ADA
Disabled statesSecondary iconsMuted text
500
4954
#4954D0
Primary brand colorCTAsActive elementsLinks
600
2E39
#2E39B2
Hover statesFocus ringsPrimary buttons hover
700
252D
#252D8E
Active/pressed statesDark mode accentsSecondary text
800
1A20
#1A2065
Text on light backgroundsHeadingsStrong borders
900
1115
#111541
Primary textHigh emphasis contentDark headings
950
0A0D
#0A0D29
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F4FC;
  --cobalt-100: #E3E4F8;
  --cobalt-200: #CACEF1;
  --cobalt-300: #A2A8E7;
  --cobalt-400: #717ADA;
  --cobalt-500: #4954D0;
  --cobalt-600: #2E39B2;
  --cobalt-700: #252D8E;
  --cobalt-800: #1A2065;
  --cobalt-900: #111541;
  --cobalt-950: #0A0D29;
}
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