#0F0F37

#0F0F37

Color Values

HEX

#0F0F37

RGB

15, 15, 55

HSL

240.0, 57.1%, 13.7%

HSV

240.0, 72.7%, 21.6%

CMYK

72.7%, 72.7%, 0.0%, 78.4%

OKLCH

0.1992 0.0759 277.0

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#0F0F37

#37370F

Analogous

#0F2337

#230F37

#0F0F37

Triadic

#0F0F37

#370F0F

#0F370F

Split Complementary

#0F0F37

#37230F

#23370F

Tetradic

#0F0F37

#370F23

#37370F

#0F3723

Color Blindness Simulation

Original

#0F0F37

Protanopia

#0F0F2D

Deuteranopia

#0F0F2B

Tritanopia

#0F2624

Achromatopsia

#121212

CSS Usage

background-color: #0F0F37;
color: #0F0F37;
border-color: #0F0F37;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F4F4FB
100
#E4E4F6
200
#C7C7F0
300
#9F9FE5
400
#6B6BD7
500
#3737C8
600
#2C2CA0
700
#232380
800
#1B1B64
900
#181849
950
#0F0F2E

Contrast Checker

Text on white

18.36:1

AA Pass AAA Pass

Text on black

1.14:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026