#1B334F

#1B334F

Color Values

HEX

#1B334F

RGB

27, 51, 79

HSL

212.3, 49.1%, 20.8%

HSV

212.3, 65.8%, 31.0%

CMYK

65.8%, 35.4%, 0.0%, 69.0%

OKLCH

0.3162 0.0588 253.4

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#1B334F

#4F371B

Analogous

#1B4D4F

#1D1B4F

#1B334F

Triadic

#1B334F

#4F1B33

#334F1B

Split Complementary

#1B334F

#4F1D1B

#4D4F1B

Tetradic

#1B334F

#4F1B4D

#4F371B

#1B4F1D

Color Blindness Simulation

Original

#1B334F

Protanopia

#252648

Deuteranopia

#242247

Tritanopia

#1C4342

Achromatopsia

#303030

CSS Usage

background-color: #1B334F;
color: #1B334F;
border-color: #1B334F;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F4F7FB
100
#E6EDF5
200
#CADAED
300
#A4BFE0
400
#729DCF
500
#417BBE
600
#346298
700
#2A4F7A
800
#203D5F
900
#1B2F46
950
#111E2C

Contrast Checker

Text on white

12.86:1

AA Pass AAA Pass

Text on black

1.63:1

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