#1F0429

#1F0429

Color Values

HEX

#1F0429

RGB

31, 4, 41

HSL

283.8, 82.2%, 8.8%

HSV

283.8, 90.2%, 16.1%

CMYK

24.4%, 90.2%, 0.0%, 83.9%

OKLCH

0.1852 0.0764 315.5

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#1F0429

#0E2904

Analogous

#0C0429

#290420

#1F0429

Triadic

#1F0429

#291F04

#04291F

Split Complementary

#1F0429

#202904

#04290C

Tetradic

#1F0429

#290C04

#0E2904

#042029

Color Blindness Simulation

Original

#1F0429

Protanopia

#131320

Deuteranopia

#15171E

Tritanopia

#1E1917

Achromatopsia

#0C0C0C

CSS Usage

background-color: #1F0429;
color: #1F0429;
border-color: #1F0429;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#FAF2FD
100
#F3E1FA
200
#E9BEF9
300
#D98FF4
400
#C453EE
500
#B017E8
600
#8D12BA
700
#700F95
800
#580B74
900
#410D54
950
#290835

Contrast Checker

Text on white

18.96:1

AA Pass AAA Pass

Text on black

1.11:1

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