#284D75

#284D75

Color Values

HEX

#284D75

RGB

40, 77, 117

HSL

211.2, 49.0%, 30.8%

HSV

211.2, 65.8%, 45.9%

CMYK

65.8%, 34.2%, 0.0%, 54.1%

OKLCH

0.4126 0.0798 251.9

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#284D75

#755028

Analogous

#287375

#2A2875

#284D75

Triadic

#284D75

#75284D

#4D7528

Split Complementary

#284D75

#752A28

#737528

Tetradic

#284D75

#752873

#755028

#28752A

Color Blindness Simulation

Original

#284D75

Protanopia

#38386B

Deuteranopia

#363369

Tritanopia

#2A6462

Achromatopsia

#484848

CSS Usage

background-color: #284D75;
color: #284D75;
border-color: #284D75;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F4F7FB
100
#E6EDF5
200
#CADBED
300
#A4C1E0
400
#729FCF
500
#417DBE
600
#346498
700
#2A507A
800
#213F5F
900
#1B3046
950
#111E2C

Contrast Checker

Text on white

8.72:1

AA Pass AAA Pass

Text on black

2.41:1

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