#1F2147

#1F2147

Color Values

HEX

#1F2147

RGB

31, 33, 71

HSL

237,0, 39,2%, 20,0%

HSV

237,0, 56,3%, 27,8%

CMYK

56,3%, 53,5%, 0,0%, 72,2%

OKLCH

0,2682 0,0696 278,3

Properties

Cool Dark Nearest: RAL 5022 Night Blue

Color Harmonies

Complementary

#1F2147

#47451F

Analogous

#1F3547

#311F47

#1F2147

Triadic

#1F2147

#471F21

#21471F

Split Complementary

#1F2147

#47311F

#35471F

Tetradic

#1F2147

#471F35

#47451F

#1F4731

Color Blindness Simulation

Original

#1F2147

Protanopia

#20203E

Deuteranopia

#20203C

Tritanopia

#1F3735

Achromatopsia

#232323

CSS Usage

background-color: #1F2147;
color: #1F2147;
border-color: #1F2147;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F5F5FA
100
#E7E8F3
200
#CDCFE9
300
#AAACDA
400
#7C7FC6
500
#4E53B1
600
#3E428E
700
#323572
800
#272959
900
#1F2142
950
#141529

Contrast Checker

Text on white

15,36:1

AA Pass AAA Pass

Text on black

1,37:1

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