#1B2F4B

#1B2F4B

Color Values

HEX

#1B2F4B

RGB

27, 47, 75

HSL

215.0, 47.1%, 20.0%

HSV

215.0, 64.0%, 29.4%

CMYK

64.0%, 37.3%, 0.0%, 70.6%

OKLCH

0.3031 0.0573 257.0

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#1B2F4B

#4B371B

Analogous

#1B474B

#1F1B4B

#1B2F4B

Triadic

#1B2F4B

#4B1B2F

#2F4B1B

Split Complementary

#1B2F4B

#4B1F1B

#474B1B

Tetradic

#1B2F4B

#4B1B47

#4B371B

#1B4B1F

Color Blindness Simulation

Original

#1B2F4B

Protanopia

#242444

Deuteranopia

#222143

Tritanopia

#1C3F3E

Achromatopsia

#2D2D2D

CSS Usage

background-color: #1B2F4B;
color: #1B2F4B;
border-color: #1B2F4B;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F4F7FA
100
#E6ECF4
200
#CAD8EC
300
#A5BDDF
400
#7499CD
500
#4375BC
600
#365E96
700
#2B4B78
800
#223B5E
900
#1C2D45
950
#121C2C

Contrast Checker

Text on white

13.51:1

AA Pass AAA Pass

Text on black

1.55:1

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