#317B9B

#317B9B

Color Values

HEX

#317B9B

RGB

49, 123, 155

HSL

198.1, 52.0%, 40.0%

HSV

198.1, 68.4%, 60.8%

CMYK

68.4%, 20.6%, 0.0%, 39.2%

OKLCH

0.5507 0.0876 229.9

Properties

Cool Dark Nearest: deepskyblue 4

Color Harmonies

Complementary

#317B9B

#9B5131

Analogous

#319B86

#31469B

#317B9B

Triadic

#317B9B

#9B317B

#7B9B31

Split Complementary

#317B9B

#9B3146

#9B8631

Tetradic

#317B9B

#86319B

#9B5131

#469B31

Color Blindness Simulation

Original

#317B9B

Protanopia

#515293

Deuteranopia

#4D4791

Tritanopia

#358D8C

Achromatopsia

#6E6E6E

CSS Usage

background-color: #317B9B;
color: #317B9B;
border-color: #317B9B;
Nearest Tailwind: Cyan 700 #0E7490

Tailwind Shades

50
#F4F9FB
100
#E5F0F5
200
#C9E3EE
300
#A2CEE2
400
#70B4D2
500
#3D9AC2
600
#317B9B
700
#27627C
800
#1F4D61
900
#1A3947
950
#10242D

Contrast Checker

Text on white

4.73:1

AA Pass AAA Fail

Text on black

4.44:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026