#233F63

#233F63

Color Values

HEX

#233F63

RGB

35, 63, 99

HSL

213.8, 47.8%, 26.3%

HSV

213.8, 64.6%, 38.8%

CMYK

64.6%, 36.4%, 0.0%, 61.2%

OKLCH

0.364 0.0714 255.4

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#233F63

#634723

Analogous

#235F63

#272363

#233F63

Triadic

#233F63

#63233F

#3F6323

Split Complementary

#233F63

#632723

#5F6323

Tetradic

#233F63

#63235F

#634723

#236327

Color Blindness Simulation

Original

#233F63

Protanopia

#2F2F5A

Deuteranopia

#2E2B58

Tritanopia

#245352

Achromatopsia

#3C3C3C

CSS Usage

background-color: #233F63;
color: #233F63;
border-color: #233F63;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F4F7FA
100
#E6ECF4
200
#CAD9EC
300
#A5BEDF
400
#749BCE
500
#4378BC
600
#356097
700
#2B4D79
800
#213C5E
900
#1C2E45
950
#111D2C

Contrast Checker

Text on white

10.7:1

AA Pass AAA Pass

Text on black

1.96:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026