Steel Blue

#397FA7

Blue

Color Codes

All color formats for development

HEX
#397FA7
RGB
rgb(57, 127, 167)
HSL
hsl(202, 49%, 44%)
OKLCH
oklch(0.569 0.093 236.7)
CMYK
cmyk(66%, 24%, 0%, 35%)

Accessibility

WCAG contrast compliance

On White Background

4.40:1

AA AAA

On Black Background

4.77:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4F8
100
#E4EF
200
#CEE2
300
#A8CC
400
#7AB1
500
#549B
600
#397F
700
#2E65
800
#2148
900
#152E
950
#0D1D

Shades

Darker variations

1#337296
2#2E6586
3#285975
4#224C64
5#1D3F54
6#173343
7#112632
8#0B1921
9#060D11

Tints

Lighter variations

1#418FBC
2#559CC5
3#6AA8CC
4#7FB5D3
5#95C1DB
6#AACDE2
7#BFDAE9
8#D4E6F0
9#EAF3F8

Tones

Muted variations

1#3F7DA2
2#447C9C
3#4A7A97
4#4F7991
5#55788C
6#5A7686
7#607581
8#65737B
9#6B7276

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F4F8
#F4F8FB
BackgroundsSubtle highlightsCard backgrounds
100
E4EF
#E4EFF6
Light backgroundsTable row hoverSkeleton loading
200
CEE2
#CEE2EE
Secondary backgroundsInput backgroundsDividers
300
A8CC
#A8CCE1
BordersInactive statesPlaceholder text
400
7AB1
#7AB1D1
Disabled statesSecondary iconsMuted text
500
549B
#549BC4
Primary brand colorCTAsActive elementsLinks
600
397F
#397FA7
Hover statesFocus ringsPrimary buttons hover
700
2E65
#2E6585
Active/pressed statesDark mode accentsSecondary text
800
2148
#21485F
Text on light backgroundsHeadingsStrong borders
900
152E
#152E3D
Primary textHigh emphasis contentDark headings
950
0D1D
#0D1D26
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --steel-blue-50: #F4F8FB;
  --steel-blue-100: #E4EFF6;
  --steel-blue-200: #CEE2EE;
  --steel-blue-300: #A8CCE1;
  --steel-blue-400: #7AB1D1;
  --steel-blue-500: #549BC4;
  --steel-blue-600: #397FA7;
  --steel-blue-700: #2E6585;
  --steel-blue-800: #21485F;
  --steel-blue-900: #152E3D;
  --steel-blue-950: #0D1D26;
}
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