#28457C

#28457C

Color Values

HEX

#28457C

RGB

40, 69, 124

HSL

219.3, 51.2%, 32.2%

HSV

219.3, 67.7%, 48.6%

CMYK

67.7%, 44.4%, 0.0%, 51.4%

OKLCH

0.3977 0.0994 261.9

Properties

Cool Dark Nearest: RAL 5017 Traffic Blue

Color Harmonies

Complementary

#28457C

#7C5F28

Analogous

#286F7C

#35287C

#28457C

Triadic

#28457C

#7C2845

#457C28

Split Complementary

#28457C

#7C3528

#6F7C28

Tetradic

#28457C

#7C286F

#7C5F28

#287C35

Color Blindness Simulation

Original

#28457C

Protanopia

#35356F

Deuteranopia

#33316C

Tritanopia

#296462

Achromatopsia

#434343

CSS Usage

background-color: #28457C;
color: #28457C;
border-color: #28457C;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F4F6FB
100
#E5EBF5
200
#C9D6EE
300
#A2B8E1
400
#7092D1
500
#3E6BC1
600
#32569A
700
#28457B
800
#1F3660
900
#1A2A47
950
#101A2D

Contrast Checker

Text on white

9.41:1

AA Pass AAA Pass

Text on black

2.23:1

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