#1B3149

#1B3149

Color Values

HEX

#1B3149

RGB

27, 49, 73

HSL

211.3, 46.0%, 19.6%

HSV

211.3, 63.0%, 28.6%

CMYK

63.0%, 32.9%, 0.0%, 71.4%

OKLCH

0.3072 0.0519 251.8

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#1B3149

#49331B

Analogous

#1B4849

#1C1B49

#1B3149

Triadic

#1B3149

#491B31

#31491B

Split Complementary

#1B3149

#491C1B

#48491B

Tetradic

#1B3149

#491B48

#49331B

#1B491C

Color Blindness Simulation

Original

#1B3149

Protanopia

#252543

Deuteranopia

#232242

Tritanopia

#1C3F3E

Achromatopsia

#2E2E2E

CSS Usage

background-color: #1B3149;
color: #1B3149;
border-color: #1B3149;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F4F7FA
100
#E6EDF4
200
#CBDBEC
300
#A6C1DE
400
#759FCC
500
#457DBA
600
#376495
700
#2C5077
800
#223E5D
900
#1C3045
950
#121E2B

Contrast Checker

Text on white

13.27:1

AA Pass AAA Pass

Text on black

1.58:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026