#1F2256

#1F2256

Color Values

HEX

#1F2256

RGB

31, 34, 86

HSL

236.7, 47.0%, 22.9%

HSV

236.7, 64.0%, 33.7%

CMYK

64.0%, 60.5%, 0.0%, 66.3%

OKLCH

0.2828 0.0926 276.2

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#1F2256

#56531F

Analogous

#1F3D56

#371F56

#1F2256

Triadic

#1F2256

#561F22

#22561F

Split Complementary

#1F2256

#56371F

#3D561F

Tetradic

#1F2256

#561F3D

#56531F

#1F5637

Color Blindness Simulation

Original

#1F2256

Protanopia

#202049

Deuteranopia

#202046

Tritanopia

#1F3F3D

Achromatopsia

#252525

CSS Usage

background-color: #1F2256;
color: #1F2256;
border-color: #1F2256;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F4F5FA
100
#E6E7F4
200
#CBCCEC
300
#A5A8DF
400
#7479CD
500
#444ABB
600
#363B96
700
#2B2F78
800
#22255E
900
#1C1E45
950
#12132C

Contrast Checker

Text on white

14.77:1

AA Pass AAA Pass

Text on black

1.42:1

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