Steelblue
Steelblue (#397BA8) is a dark color with a luminosity of 18%. It has a chroma value of 43.5 (out of 100). The closest web-safe color is #336699. The closest Pantone color is #3E7FA5, known as cendre-blue (17-4131). The closest NCS color is #4981AC, with the code NCS S 3040-R90B. The grayscale version of this color is #6C6C6C. The contrast ratio with white is 4.6, and with black is 4.6. This meets the WCAG standard (4.5:1) for regular text (14pt) on a white background.
Lightness
Show relative
#FFFFFF
#D9E8F2
#B3D1E5
#8DBAD8
#67A3CB
#418BBE
#347098
#275472
#1A384C
#0D1C26
#000000
Saturation
#1D80C4
#237FBE
#287EB9
#2E7DB3
#337CAE
#397BA8
#3F7AA2
#44799D
#4A7897
#4F7792
#55768C
Shade
#5687A8
#5084A8
#4A82A8
#4480A8
#3F7DA8
#397BA8
#39769F
#397197
#396B8E
#396685
#39617D
Hue
#A83939
#A84B39
#A85E39
#A87139
#A88339
#A89639
#A8A839
#95A839
#83A839
#71A839
#5EA839
#4CA839
#39A839
#39A84C
#39A85E
#39A871
#39A883
#39A896
#39A8A8
#3995A8
#3983A8
#3970A8
#395EA8
#394CA8
#3939A8
#4B39A8
#5E39A8
#7039A8
#8339A8
#9539A8
#A839A8
#A83995
#A83983
#A83971
#A8395E
#A8394C
Grayscale
#6C6C6C
Complimentary
#C68457
WCAG contrast conformance
#397BA8 meets the WCAG standard (4.5:1) for regular text (14pt) on a white background.
On a white background
Steelblue
On a black background
Steelblue
Steelblue (#397BA8) does not meet the WCAG standard for either regular or large text on a slateblue (#5D3ED6) background.
Steelblue
Composition
The colors that composes #397BA8
RGB
57
123
168
RYB
57
98
168
CMYK
66
27
0
34
CMY
78
52
34
Conversion
CSS values of #397BA8 and various standards
CSS values
HEX
#397BA8
RGB
rgb(57, 123, 168)
HSL
hsl(204, 49%, 44%)
HWB
hwb(204, 22%, 34%)
Various standards
Ansi16
rgb(0, 0, 128)
Ansi256
rgb(51, 102, 153)
HCG
rgb(57, 123, 168)
Apple
rgb(57, 123, 168)
Closest Pantone color
cendre-blue (17-4131)
#3E7FA5
Closest NCS color
NCS S 3040-R90B
#4981AC
Color harmonies
The basic color chords based on the color wheel
Split complementary
#A89E39
#397BA8
#A83943
Triadic
#397BA8
#A8397B
#7BA839
Tetradic
#397BA8
#9E39A8
#A86639
#43A839
Analogous
#39A89E
#397BA8
#3943A8
Color blindness
Below is a simulation map of how people with vision deciciency perceive your color
Achromatopsia
#707070
Deuteranopia
#6565AA
Protanopia
#7070A8
Tritanopia
#338181