#283C61

#283C61

Color Values

HEX

#283C61

RGB

40, 60, 97

HSL

218.9, 41.6%, 26.9%

HSV

218.9, 58.8%, 38.0%

CMYK

58.8%, 38.1%, 0.0%, 62.0%

OKLCH

0.3582 0.0695 261.9

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#283C61

#614D28

Analogous

#285961

#312861

#283C61

Triadic

#283C61

#61283C

#3C6128

Split Complementary

#283C61

#613128

#596128

Tetradic

#283C61

#612859

#614D28

#286131

Color Blindness Simulation

Original

#283C61

Protanopia

#313158

Deuteranopia

#302E56

Tritanopia

#29514F

Achromatopsia

#3A3A3A

CSS Usage

background-color: #283C61;
color: #283C61;
border-color: #283C61;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F5F7FA
100
#E7EBF3
200
#CCD7EA
300
#A8BADB
400
#7995C8
500
#4A70B5
600
#3C5990
700
#304874
800
#25385A
900
#1E2B43
950
#131B2A

Contrast Checker

Text on white

11.0:1

AA Pass AAA Pass

Text on black

1.91:1

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