#1C253B

#1C253B

Color Values

HEX

#1C253B

RGB

28, 37, 59

HSL

222.6, 35.6%, 17.1%

HSV

222.6, 52.5%, 23.1%

CMYK

52.5%, 37.3%, 0.0%, 76.9%

OKLCH

0.2673 0.0433 266.5

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#1C253B

#3B321C

Analogous

#1C353B

#231C3B

#1C253B

Triadic

#1C253B

#3B1C25

#253B1C

Split Complementary

#1C253B

#3B231C

#353B1C

Tetradic

#1C253B

#3B1C35

#3B321C

#1C3B23

Color Blindness Simulation

Original

#1C253B

Protanopia

#202036

Deuteranopia

#1F1F34

Tritanopia

#1C3131

Achromatopsia

#252525

CSS Usage

background-color: #1C253B;
color: #1C253B;
border-color: #1C253B;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F5F6FA
100
#E8EBF3
200
#CFD6E8
300
#ACB9D8
400
#7F93C2
500
#526CAD
600
#42578A
700
#35456F
800
#293656
900
#212A40
950
#151A28

Contrast Checker

Text on white

15.25:1

AA Pass AAA Pass

Text on black

1.38:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026