#234257

#234257

Color Values

HEX

#234257

RGB

35, 66, 87

HSL

204.2, 42.6%, 23.9%

HSV

204.2, 59.8%, 34.1%

CMYK

59.8%, 24.1%, 0.0%, 65.9%

OKLCH

0.3649 0.0518 239.9

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#234257

#573823

Analogous

#235752

#232857

#234257

Triadic

#234257

#572342

#425723

Split Complementary

#234257

#572328

#575223

Tetradic

#234257

#522357

#573823

#285723

Color Blindness Simulation

Original

#234257

Protanopia

#303152

Deuteranopia

#2F2C51

Tritanopia

#254E4D

Achromatopsia

#3D3D3D

CSS Usage

background-color: #234257;
color: #234257;
border-color: #234257;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F5F8FA
100
#E7EEF4
200
#CCDEEB
300
#A8C7DC
400
#78A8C9
500
#498AB6
600
#3B6E91
700
#2F5874
800
#25455B
900
#1E3443
950
#13212A

Contrast Checker

Text on white

10.56:1

AA Pass AAA Pass

Text on black

1.99:1

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