#171025

#171025

Color Values

HEX

#171025

RGB

23, 16, 37

HSL

260.0, 39.6%, 10.4%

HSV

260.0, 56.8%, 14.5%

CMYK

37.8%, 56.8%, 0.0%, 85.5%

OKLCH

0.1939 0.0421 297.7

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#171025

#1E2510

Analogous

#101425

#221025

#171025

Triadic

#171025

#251710

#102517

Split Complementary

#171025

#252210

#142510

Tetradic

#171025

#251014

#1E2510

#102522

Color Blindness Simulation

Original

#171025

Protanopia

#141420

Deuteranopia

#14151F

Tritanopia

#171C1B

Achromatopsia

#131313

CSS Usage

background-color: #171025;
color: #171025;
border-color: #171025;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F6F5FA
100
#EBE7F3
200
#D7CDE9
300
#BAAADA
400
#947BC6
500
#6F4DB2
600
#593E8E
700
#473172
800
#372759
900
#2B1F42
950
#1B142A

Contrast Checker

Text on white

18.47:1

AA Pass AAA Pass

Text on black

1.14:1

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