#28599B

#28599B

Color Values

HEX

#28599B

RGB

40, 89, 155

HSL

214.4, 59.0%, 38.2%

HSV

214.4, 74.2%, 60.8%

CMYK

74.2%, 42.6%, 0.0%, 39.2%

OKLCH

0.4654 0.1197 256.8

Properties

Cool Dark Nearest: dodgerblue 4

Color Harmonies

Complementary

#28599B

#9B6A28

Analogous

#28929B

#30289B

#28599B

Triadic

#28599B

#9B2859

#599B28

Split Complementary

#28599B

#9B3028

#929B28

Tetradic

#28599B

#9B2892

#9B6A28

#289B30

Color Blindness Simulation

Original

#28599B

Protanopia

#3D3E8B

Deuteranopia

#3A3787

Tritanopia

#2A7E7C

Achromatopsia

#535353

CSS Usage

background-color: #28599B;
color: #28599B;
border-color: #28599B;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F7FB
100
#E4ECF6
200
#C6D8F0
300
#9EBDE6
400
#6998D8
500
#3474CB
600
#2A5DA2
700
#214B82
800
#1A3A65
900
#172D4A
950
#0E1C2F

Contrast Checker

Text on white

7.02:1

AA Pass AAA Pass

Text on black

2.99:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026