#28384C

#28384C

Color Values

HEX

#28384C

RGB

40, 56, 76

HSL

213.3, 31.0%, 22.7%

HSV

213.3, 47.4%, 29.8%

CMYK

47.4%, 26.3%, 0.0%, 70.2%

OKLCH

0.3359 0.0413 254.4

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#28384C

#4C3C28

Analogous

#284A4C

#2A284C

#28384C

Triadic

#28384C

#4C2838

#384C28

Split Complementary

#28384C

#4C2A28

#4A4C28

Tetradic

#28384C

#4C284A

#4C3C28

#284C2A

Color Blindness Simulation

Original

#28384C

Protanopia

#2F2F47

Deuteranopia

#2E2D46

Tritanopia

#294342

Achromatopsia

#363636

CSS Usage

background-color: #28384C;
color: #28384C;
border-color: #28384C;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F5F7F9
100
#E8EDF2
200
#D0DAE6
300
#AFC0D5
400
#839DBE
500
#587BA7
600
#466386
700
#384F6B
800
#2C3E54
900
#232F3E
950
#161E27

Contrast Checker

Text on white

11.93:1

AA Pass AAA Pass

Text on black

1.76:1

AA Fail AAA Fail

Related Articles

Tutorials

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

ม.ค. 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

ม.ค. 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

ม.ค. 15, 2026