#12293C

#12293C

Color Values

HEX

#12293C

RGB

18, 41, 60

HSL

207,1, 53,8%, 15,3%

HSV

207,1, 70,0%, 23,5%

CMYK

70,0%, 31,7%, 0,0%, 76,5%

OKLCH

0,2722 0,0459 245,5

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#12293C

#3C2512

Analogous

#123C3A

#12143C

#12293C

Triadic

#12293C

#3C1229

#293C12

Split Complementary

#12293C

#3C1214

#3C3A12

Tetradic

#12293C

#3A123C

#3C2512

#143C12

Color Blindness Simulation

Original

#12293C

Protanopia

#1C1C37

Deuteranopia

#1B1936

Tritanopia

#133433

Achromatopsia

#252525

CSS Usage

background-color: #12293C;
color: #12293C;
border-color: #12293C;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F4F8FB
100
#E5EEF5
200
#C8DDEF
300
#A1C5E3
400
#6EA6D3
500
#3B86C4
600
#2F6B9D
700
#26567E
800
#1D4362
900
#193348
950
#10202D

Contrast Checker

Text on white

14,91:1

AA Pass AAA Pass

Text on black

1,41:1

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