#17383F

#17383F

Color Values

HEX

#17383F

RGB

23, 56, 63

HSL

190.5, 46.5%, 16.9%

HSV

190.5, 63.5%, 24.7%

CMYK

63.5%, 11.1%, 0.0%, 75.3%

OKLCH

0.3192 0.0403 213.4

Properties

Cool Dark Nearest: RAL 6004 Blue Green

Color Harmonies

Complementary

#17383F

#3F1E17

Analogous

#173F32

#17243F

#17383F

Triadic

#17383F

#3F1738

#383F17

Split Complementary

#17383F

#3F1724

#3F3217

Tetradic

#17383F

#32173F

#3F1E17

#243F17

Color Blindness Simulation

Original

#17383F

Protanopia

#25263D

Deuteranopia

#23213D

Tritanopia

#193C3C

Achromatopsia

#313131

CSS Usage

background-color: #17383F;
color: #17383F;
border-color: #17383F;
Nearest Tailwind: Cyan 950 #083344

Tailwind Shades

50
#F4F9FA
100
#E6F2F4
200
#CBE6EC
300
#A5D4DE
400
#75BDCD
500
#44A6BB
600
#378595
700
#2C6A78
800
#22535D
900
#1C3E45
950
#12272B

Contrast Checker

Text on white

12.55:1

AA Pass AAA Pass

Text on black

1.67:1

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