#233F66

#233F66

Color Values

HEX

#233F66

RGB

35, 63, 102

HSL

214,9, 48,9%, 26,9%

HSV

214,9, 65,7%, 40,0%

CMYK

65,7%, 38,2%, 0,0%, 60,0%

OKLCH

0,3659 0,0759 257,0

Properties

Cool Dark Nearest: Midnight Blue

Color Harmonies

Complementary

#233F66

#664A23

Analogous

#236166

#292366

#233F66

Triadic

#233F66

#66233F

#3F6623

Split Complementary

#233F66

#662923

#616623

Tetradic

#233F66

#662361

#664A23

#236629

Color Blindness Simulation

Original

#233F66

Protanopia

#2F2F5D

Deuteranopia

#2E2B5A

Tritanopia

#245553

Achromatopsia

#3C3C3C

CSS Usage

background-color: #233F66;
color: #233F66;
border-color: #233F66;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F4F7FB
100
#E6ECF5
200
#CAD8ED
300
#A4BDE0
400
#7399CF
500
#4175BE
600
#345E98
700
#2A4B7A
800
#213B5F
900
#1B2D46
950
#111C2C

Contrast Checker

Text on white

10,64:1

AA Pass AAA Pass

Text on black

1,97:1

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