#1B3C43

#1B3C43

Color Values

HEX

#1B3C43

RGB

27, 60, 67

HSL

190.5, 42.6%, 18.4%

HSV

190.5, 59.7%, 26.3%

CMYK

59.7%, 10.4%, 0.0%, 73.7%

OKLCH

0.3345 0.0404 213.2

Properties

Cool Dark Nearest: RAL 6004 Blue Green

Color Harmonies

Complementary

#1B3C43

#43221B

Analogous

#1B4336

#1B2843

#1B3C43

Triadic

#1B3C43

#431B3C

#3C431B

Split Complementary

#1B3C43

#431B28

#43361B

Tetradic

#1B3C43

#361B43

#43221B

#28431B

Color Blindness Simulation

Original

#1B3C43

Protanopia

#292A41

Deuteranopia

#272541

Tritanopia

#1D4040

Achromatopsia

#353535

CSS Usage

background-color: #1B3C43;
color: #1B3C43;
border-color: #1B3C43;
Nearest Tailwind: Cyan 950 #083344

Tailwind Shades

50
#F5F9FA
100
#E7F1F4
200
#CCE5EB
300
#A8D3DC
400
#78BBC9
500
#49A3B6
600
#3B8291
700
#2F6874
800
#25515B
900
#1E3D43
950
#13262A

Contrast Checker

Text on white

11.84:1

AA Pass AAA Pass

Text on black

1.77:1

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