#28415B

#28415B

Color Values

HEX

#28415B

RGB

40, 65, 91

HSL

210.6, 38.9%, 25.7%

HSV

210.6, 56.0%, 35.7%

CMYK

56.0%, 28.6%, 0.0%, 64.3%

OKLCH

0.3673 0.0548 250.4

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#28415B

#5B4228

Analogous

#285B5B

#29285B

#28415B

Triadic

#28415B

#5B2841

#415B28

Split Complementary

#28415B

#5B2928

#5B5B28

Tetradic

#28415B

#5B285B

#5B4228

#285B29

Color Blindness Simulation

Original

#28415B

Protanopia

#333355

Deuteranopia

#313053

Tritanopia

#29504F

Achromatopsia

#3E3E3E

CSS Usage

background-color: #28415B;
color: #28415B;
border-color: #28415B;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F5F7FA
100
#E7EDF3
200
#CDDBE9
300
#AAC1DA
400
#7CA0C5
500
#4E7FB1
600
#3E658E
700
#325171
800
#273F59
900
#1F3041
950
#141E29

Contrast Checker

Text on white

10.51:1

AA Pass AAA Pass

Text on black

2.0:1

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