#17313C

#17313C

Color Values

HEX

#17313C

RGB

23, 49, 60

HSL

197.8, 44.6%, 16.3%

HSV

197.8, 61.7%, 23.5%

CMYK

61.7%, 18.3%, 0.0%, 76.5%

OKLCH

0.2977 0.0377 227.6

Properties

Cool Dark Nearest: RAL 5001 Green Blue

Color Harmonies

Complementary

#17313C

#3C2217

Analogous

#173C35

#171F3C

#17313C

Triadic

#17313C

#3C1731

#313C17

Split Complementary

#17313C

#3C171F

#3C3517

Tetradic

#17313C

#35173C

#3C2217

#1F3C17

Color Blindness Simulation

Original

#17313C

Protanopia

#222239

Deuteranopia

#211F39

Tritanopia

#183737

Achromatopsia

#2C2C2C

CSS Usage

background-color: #17313C;
color: #17313C;
border-color: #17313C;
Nearest Tailwind: Cyan 950 #083344

Tailwind Shades

50
#F4F9FA
100
#E6F0F4
200
#CBE2EB
300
#A7CDDD
400
#77B2CB
500
#4797B8
600
#397993
700
#2D6076
800
#234B5C
900
#1D3844
950
#12242B

Contrast Checker

Text on white

13.63:1

AA Pass AAA Pass

Text on black

1.54:1

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