#1B253C

#1B253C

Color Values

HEX

#1B253C

RGB

27, 37, 60

HSL

221.8, 37.9%, 17.1%

HSV

221.8, 55.0%, 23.5%

CMYK

55.0%, 38.3%, 0.0%, 76.5%

OKLCH

0.2671 0.0455 265.5

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#1B253C

#3C321B

Analogous

#1B363C

#221B3C

#1B253C

Triadic

#1B253C

#3C1B25

#253C1B

Split Complementary

#1B253C

#3C221B

#363C1B

Tetradic

#1B253C

#3C1B36

#3C321B

#1B3C22

Color Blindness Simulation

Original

#1B253C

Protanopia

#1F1F36

Deuteranopia

#1F1E35

Tritanopia

#1C3231

Achromatopsia

#252525

CSS Usage

background-color: #1B253C;
color: #1B253C;
border-color: #1B253C;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F5F6FA
100
#E7EBF3
200
#CED6E9
300
#ABB9D9
400
#7D93C4
500
#4F6CB0
600
#3F578D
700
#334571
800
#283658
900
#202A41
950
#141A29

Contrast Checker

Text on white

15.26:1

AA Pass AAA Pass

Text on black

1.38:1

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