#1F0336

#1F0336

Color Values

HEX

#1F0336

RGB

31, 3, 54

HSL

272.9, 89.5%, 11.2%

HSV

272.9, 94.4%, 21.2%

CMYK

42.6%, 94.4%, 0.0%, 78.8%

OKLCH

0.1962 0.0933 304.1

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#1F0336

#1A3603

Analogous

#050336

#360334

#1F0336

Triadic

#1F0336

#361F03

#03361F

Split Complementary

#1F0336

#343603

#033605

Tetradic

#1F0336

#360503

#1A3603

#033436

Color Blindness Simulation

Original

#1F0336

Protanopia

#13132A

Deuteranopia

#141727

Tritanopia

#1E201E

Achromatopsia

#0D0D0D

CSS Usage

background-color: #1F0336;
color: #1F0336;
border-color: #1F0336;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F8F2FD
100
#EEE0FB
200
#DEBBFB
300
#C78BF9
400
#A94CF5
500
#8B0DF2
600
#6F0BC1
700
#59099B
800
#450779
900
#340957
950
#210637

Contrast Checker

Text on white

18.67:1

AA Pass AAA Pass

Text on black

1.12:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026