#285E81

#285E81

Color Values

HEX

#285E81

RGB

40, 94, 129

HSL

203.6, 52.7%, 33.1%

HSV

203.6, 69.0%, 50.6%

CMYK

69.0%, 27.1%, 0.0%, 49.4%

OKLCH

0.462 0.0805 240.2

Properties

Cool Dark Nearest: steelblue 4

Color Harmonies

Complementary

#285E81

#814B28

Analogous

#288177

#283181

#285E81

Triadic

#285E81

#81285E

#5E8128

Split Complementary

#285E81

#812831

#817728

Tetradic

#285E81

#772881

#814B28

#318128

Color Blindness Simulation

Original

#285E81

Protanopia

#3F4079

Deuteranopia

#3C3876

Tritanopia

#2B7270

Achromatopsia

#555555

CSS Usage

background-color: #285E81;
color: #285E81;
border-color: #285E81;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F4F8FB
100
#E5EFF5
200
#C8DFEE
300
#A2C9E2
400
#6FABD2
500
#3C8EC3
600
#30719C
700
#275B7D
800
#1E4761
900
#193547
950
#10222D

Contrast Checker

Text on white

6.98:1

AA Pass AAA Fail

Text on black

3.01:1

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