#1E233C

#1E233C

Color Values

HEX

#1E233C

RGB

30, 35, 60

HSL

230.0, 33.3%, 17.6%

HSV

230.0, 50.0%, 23.5%

CMYK

50.0%, 41.7%, 0.0%, 76.5%

OKLCH

0.2644 0.0473 274.1

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#1E233C

#3C371E

Analogous

#1E323C

#281E3C

#1E233C

Triadic

#1E233C

#3C1E23

#233C1E

Split Complementary

#1E233C

#3C281E

#323C1E

Tetradic

#1E233C

#3C1E32

#3C371E

#1E3C28

Color Blindness Simulation

Original

#1E233C

Protanopia

#202036

Deuteranopia

#202034

Tritanopia

#1E3130

Achromatopsia

#242424

CSS Usage

background-color: #1E233C;
color: #1E233C;
border-color: #1E233C;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F5F6FA
100
#E8EAF2
200
#CFD3E7
300
#ADB4D6
400
#818CC0
500
#5563AA
600
#444F88
700
#363F6D
800
#2B3255
900
#22273F
950
#151828

Contrast Checker

Text on white

15.43:1

AA Pass AAA Pass

Text on black

1.36:1

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