#1F2F3C

#1F2F3C

Color Values

HEX

#1F2F3C

RGB

31, 47, 60

HSL

206.9, 31.9%, 17.8%

HSV

206.9, 48.3%, 23.5%

CMYK

48.3%, 21.7%, 0.0%, 76.5%

OKLCH

0.2971 0.0319 243.6

Properties

Cool Dark Nearest: RAL 7026 Granite Grey

Color Harmonies

Complementary

#1F2F3C

#3C2C1F

Analogous

#1F3C3A

#1F203C

#1F2F3C

Triadic

#1F2F3C

#3C1F2F

#2F3C1F

Split Complementary

#1F2F3C

#3C1F20

#3C3A1F

Tetradic

#1F2F3C

#3A1F3C

#3C2C1F

#203C1F

Color Blindness Simulation

Original

#1F2F3C

Protanopia

#262639

Deuteranopia

#252438

Tritanopia

#203636

Achromatopsia

#2D2D2D

CSS Usage

background-color: #1F2F3C;
color: #1F2F3C;
border-color: #1F2F3C;
Nearest Tailwind: Gray 800 #1F2937

Tailwind Shades

50
#F5F8F9
100
#E8EEF2
200
#D0DCE7
300
#AEC4D5
400
#83A4BF
500
#5784A8
600
#456987
700
#38546C
800
#2B4254
900
#23323E
950
#162027

Contrast Checker

Text on white

13.72:1

AA Pass AAA Pass

Text on black

1.53:1

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