#1B3049

#1B3049

Color Values

HEX

#1B3049

RGB

27, 48, 73

HSL

212.6, 46.0%, 19.6%

HSV

212.6, 63.0%, 28.6%

CMYK

63.0%, 34.2%, 0.0%, 71.4%

OKLCH

0.3045 0.053 253.7

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#1B3049

#49341B

Analogous

#1B4749

#1D1B49

#1B3049

Triadic

#1B3049

#491B30

#30491B

Split Complementary

#1B3049

#491D1B

#47491B

Tetradic

#1B3049

#491B47

#49341B

#1B491D

Color Blindness Simulation

Original

#1B3049

Protanopia

#242443

Deuteranopia

#232142

Tritanopia

#1C3E3D

Achromatopsia

#2D2D2D

CSS Usage

background-color: #1B3049;
color: #1B3049;
border-color: #1B3049;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F4F7FA
100
#E6EDF4
200
#CBDAEC
300
#A6BFDE
400
#759DCC
500
#457ABA
600
#376295
700
#2C4E77
800
#223D5D
900
#1C2F45
950
#121E2B

Contrast Checker

Text on white

13.41:1

AA Pass AAA Pass

Text on black

1.57:1

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