#1F1144

#1F1144

Color Values

HEX

#1F1144

RGB

31, 17, 68

HSL

256.5, 60.0%, 16.7%

HSV

256.5, 75.0%, 26.7%

CMYK

54.4%, 75.0%, 0.0%, 73.3%

OKLCH

0.2326 0.0907 290.1

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#1F1144

#364411

Analogous

#111D44

#391144

#1F1144

Triadic

#1F1144

#441F11

#11441F

Split Complementary

#1F1144

#443911

#1D4411

Tetradic

#1F1144

#44111D

#364411

#114439

Color Blindness Simulation

Original

#1F1144

Protanopia

#191938

Deuteranopia

#1A1B35

Tritanopia

#1E2E2C

Achromatopsia

#181818

CSS Usage

background-color: #1F1144;
color: #1F1144;
border-color: #1F1144;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F6F3FB
100
#E9E4F6
200
#D2C6F1
300
#B19DE7
400
#8768D9
500
#5D33CC
600
#4A29A3
700
#3C2183
800
#2F1A66
900
#25164B
950
#170E2F

Contrast Checker

Text on white

17.19:1

AA Pass AAA Pass

Text on black

1.22:1

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