#1F4045

#1F4045

Color Values

HEX

#1F4045

RGB

31, 64, 69

HSL

187.9, 38.0%, 19.6%

HSV

187.9, 55.1%, 27.1%

CMYK

55.1%, 7.2%, 0.0%, 72.9%

OKLCH

0.3487 0.0396 208.2

Properties

Cool Dark Nearest: RAL 6004 Blue Green

Color Harmonies

Complementary

#1F4045

#45241F

Analogous

#1F4537

#1F2D45

#1F4045

Triadic

#1F4045

#451F40

#40451F

Split Complementary

#1F4045

#451F2D

#45371F

Tetradic

#1F4045

#371F45

#45241F

#2D451F

Color Blindness Simulation

Original

#1F4045

Protanopia

#2D2E44

Deuteranopia

#2B2944

Tritanopia

#214343

Achromatopsia

#393939

CSS Usage

background-color: #1F4045;
color: #1F4045;
border-color: #1F4045;
Nearest Tailwind: Teal 950 #042F2E

Tailwind Shades

50
#F5F9FA
100
#E7F1F3
200
#CEE5E9
300
#ABD3D9
400
#7DBBC5
500
#4FA3B0
600
#3F838D
700
#336871
800
#285258
900
#203D41
950
#142629

Contrast Checker

Text on white

11.18:1

AA Pass AAA Pass

Text on black

1.88:1

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