Steel Blue

#6399B6

Blue

Color Codes

All color formats for development

HEX
#6399B6
RGB
rgb(99, 153, 182)
HSL
hsl(201, 36%, 55%)
OKLCH
oklch(0.656 0.072 232.9)
CMYK
cmyk(46%, 16%, 0%, 29%)

Accessibility

WCAG contrast compliance

On White Background

3.11:1

AA AAA

On Black Background

6.76:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F5F8
100
#E7EF
200
#D2E1
300
#AFCB
400
#86AF
500
#6399
600
#487C
700
#3963
800
#2947
900
#1A2D
950
#101C

Shades

Darker variations

1#518CAC
2#487C99
3#3F6D86
4#365D72
5#2D4E5F
6#243E4C
7#1B2F39
8#121F26
9#091013

Tints

Lighter variations

1#73A3BD
2#82ADC4
3#92B7CC
4#A1C2D3
5#B1CCDA
6#C1D6E2
7#D0E0E9
8#E0EBF0
9#EFF5F8

Tones

Muted variations

1#6797B1
2#6B96AD
3#6F95A9
4#7394A5
5#7892A1
6#7C919D
7#809099
8#848F95
9#888D90

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F5F8
#F5F8FA
BackgroundsSubtle highlightsCard backgrounds
100
E7EF
#E7EFF4
Light backgroundsTable row hoverSkeleton loading
200
D2E1
#D2E1EA
Secondary backgroundsInput backgroundsDividers
300
AFCB
#AFCBD9
BordersInactive statesPlaceholder text
400
86AF
#86AFC6
Disabled statesSecondary iconsMuted text
500
6399
#6399B6
Primary brand colorCTAsActive elementsLinks
600
487C
#487C99
Hover statesFocus ringsPrimary buttons hover
700
3963
#396379
Active/pressed statesDark mode accentsSecondary text
800
2947
#294757
Text on light backgroundsHeadingsStrong borders
900
1A2D
#1A2D37
Primary textHigh emphasis contentDark headings
950
101C
#101C23
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --steel-blue-50: #F5F8FA;
  --steel-blue-100: #E7EFF4;
  --steel-blue-200: #D2E1EA;
  --steel-blue-300: #AFCBD9;
  --steel-blue-400: #86AFC6;
  --steel-blue-500: #6399B6;
  --steel-blue-600: #487C99;
  --steel-blue-700: #396379;
  --steel-blue-800: #294757;
  --steel-blue-900: #1A2D37;
  --steel-blue-950: #101C23;
}
Generate More ShadesCreate PaletteConvert Color