#281934

#281934

Color Values

HEX

#281934

RGB

40, 25, 52

HSL

273.3, 35.1%, 15.1%

HSV

273.3, 51.9%, 20.4%

CMYK

23.1%, 51.9%, 0.0%, 79.6%

OKLCH

0.2464 0.0533 308.6

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#281934

#253419

Analogous

#1A1934

#341933

#281934

Triadic

#281934

#342819

#193428

Split Complementary

#281934

#333419

#19341A

Tetradic

#281934

#341A19

#253419

#193334

Color Blindness Simulation

Original

#281934

Protanopia

#22212D

Deuteranopia

#22242C

Tritanopia

#272827

Achromatopsia

#1E1E1E

CSS Usage

background-color: #281934;
color: #281934;
border-color: #281934;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F8F5FA
100
#EEE8F2
200
#DDCFE8
300
#C4ACD7
400
#A480C2
500
#8453AC
600
#6A428A
700
#55356E
800
#422956
900
#322140
950
#201528

Contrast Checker

Text on white

16.42:1

AA Pass AAA Pass

Text on black

1.28:1

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