#1F0C33

#1F0C33

Color Values

HEX

#1F0C33

RGB

31, 12, 51

HSL

269.2, 61.9%, 12.4%

HSV

269.2, 76.5%, 20.0%

CMYK

39.2%, 76.5%, 0.0%, 80.0%

OKLCH

0.208 0.0741 302.8

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#1F0C33

#20330C

Analogous

#0C0D33

#330C33

#1F0C33

Triadic

#1F0C33

#331F0C

#0C331F

Split Complementary

#1F0C33

#33330C

#0D330C

Tetradic

#1F0C33

#330C0D

#20330C

#0C3333

Color Blindness Simulation

Original

#1F0C33

Protanopia

#17172A

Deuteranopia

#181927

Tritanopia

#1E2220

Achromatopsia

#131313

CSS Usage

background-color: #1F0C33;
color: #1F0C33;
border-color: #1F0C33;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F7F3FB
100
#EDE4F7
200
#DBC5F1
300
#C19CE8
400
#9F66DB
500
#7D31CE
600
#6427A5
700
#501F84
800
#3F1867
900
#30154B
950
#1E0E30

Contrast Checker

Text on white

18.12:1

AA Pass AAA Pass

Text on black

1.16:1

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