#372F73

#372F73

Color Values

HEX

#372F73

RGB

55, 47, 115

HSL

247,1, 42,0%, 31,8%

HSV

247,1, 59,1%, 45,1%

CMYK

52,2%, 59,1%, 0,0%, 54,9%

OKLCH

0,3539 0,1127 284,4

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#372F73

#6B732F

Analogous

#2F4973

#592F73

#372F73

Triadic

#372F73

#73372F

#2F7337

Split Complementary

#372F73

#73592F

#49732F

Tetradic

#372F73

#732F49

#6B732F

#2F7359

Color Blindness Simulation

Original

#372F73

Protanopia

#343363

Deuteranopia

#34355F

Tritanopia

#375653

Achromatopsia

#363636

CSS Usage

background-color: #372F73;
color: #372F73;
border-color: #372F73;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F5F5FA
100
#E8E7F4
200
#D0CCEA
300
#AEA8DC
400
#8279C8
500
#574AB5
600
#453B91
700
#372F74
800
#2B255B
900
#221E43
950
#16132A

Contrast Checker

Text on white

11,56:1

AA Pass AAA Pass

Text on black

1,82:1

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