#151C2C

#151C2C

Color Values

HEX

#151C2C

RGB

21, 28, 44

HSL

221.7, 35.4%, 12.7%

HSV

221.7, 52.3%, 17.3%

CMYK

52.3%, 36.4%, 0.0%, 82.7%

OKLCH

0.2278 0.033 265.7

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#151C2C

#2C2515

Analogous

#15272C

#19152C

#151C2C

Triadic

#151C2C

#2C151C

#1C2C15

Split Complementary

#151C2C

#2C1915

#272C15

Tetradic

#151C2C

#2C1527

#2C2515

#152C19

Color Blindness Simulation

Original

#151C2C

Protanopia

#181828

Deuteranopia

#181727

Tritanopia

#152524

Achromatopsia

#1C1C1C

CSS Usage

background-color: #151C2C;
color: #151C2C;
border-color: #151C2C;
Nearest Tailwind: Gray 900 #111827

Tailwind Shades

50
#F5F6FA
100
#E8EBF3
200
#CFD6E8
300
#ACB9D7
400
#7F94C2
500
#526EAD
600
#42588A
700
#35466E
800
#293756
900
#212A40
950
#151B28

Contrast Checker

Text on white

17.01:1

AA Pass AAA Pass

Text on black

1.23:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

1월 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

1월 21, 2026
Tutorials

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

1월 18, 2026