#233143

#233143

Color Values

HEX

#233143

RGB

35, 49, 67

HSL

213.8, 31.4%, 20.0%

HSV

213.8, 47.8%, 26.3%

CMYK

47.8%, 26.9%, 0.0%, 73.7%

OKLCH

0.3091 0.0377 255.0

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#233143

#433523

Analogous

#234143

#252343

#233143

Triadic

#233143

#432331

#314323

Split Complementary

#233143

#432523

#414323

Tetradic

#233143

#432341

#433523

#234325

Color Blindness Simulation

Original

#233143

Protanopia

#29293F

Deuteranopia

#28273E

Tritanopia

#243B3A

Achromatopsia

#2F2F2F

CSS Usage

background-color: #233143;
color: #233143;
border-color: #233143;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F5F7F9
100
#E8EDF2
200
#D0DAE7
300
#AFBFD5
400
#839DBE
500
#577AA8
600
#466286
700
#384E6B
800
#2C3D54
900
#232F3E
950
#161E27

Contrast Checker

Text on white

13.19:1

AA Pass AAA Pass

Text on black

1.59:1

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