#28375B

#28375B

Color Values

HEX

#28375B

RGB

40, 55, 91

HSL

222.4, 38.9%, 25.7%

HSV

222.4, 56.0%, 35.7%

CMYK

56.0%, 39.6%, 0.0%, 64.3%

OKLCH

0.3421 0.0665 265.9

Properties

Cool Dark Nearest: RAL 5026 Pearl Night Blue

Color Harmonies

Complementary

#28375B

#5B4C28

Analogous

#28505B

#33285B

#28375B

Triadic

#28375B

#5B2837

#375B28

Split Complementary

#28375B

#5B3328

#505B28

Tetradic

#28375B

#5B2850

#5B4C28

#285B33

Color Blindness Simulation

Original

#28375B

Protanopia

#2E2F52

Deuteranopia

#2E2C50

Tritanopia

#294B4A

Achromatopsia

#363636

CSS Usage

background-color: #28375B;
color: #28375B;
border-color: #28375B;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F5F6FA
100
#E7EBF3
200
#CDD6E9
300
#AAB8DA
400
#7C91C5
500
#4E6BB1
600
#3E568E
700
#324471
800
#273559
900
#1F2941
950
#141A29

Contrast Checker

Text on white

11.75:1

AA Pass AAA Pass

Text on black

1.79:1

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