#312A72

#312A72

Color Values

HEX

#312A72

RGB

49, 42, 114

HSL

245.8, 46.2%, 30.6%

HSV

245.8, 63.2%, 44.7%

CMYK

57.0%, 63.2%, 0.0%, 55.3%

OKLCH

0.3382 0.1194 282.3

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#312A72

#6B722A

Analogous

#2A4772

#552A72

#312A72

Triadic

#312A72

#72312A

#2A7231

Split Complementary

#312A72

#72552A

#47722A

Tetradic

#312A72

#722A47

#6B722A

#2A7255

Color Blindness Simulation

Original

#312A72

Protanopia

#2E2E61

Deuteranopia

#2E2F5C

Tritanopia

#315350

Achromatopsia

#313131

CSS Usage

background-color: #312A72;
color: #312A72;
border-color: #312A72;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F5F4FA
100
#E7E6F4
200
#CECBEC
300
#ABA6DE
400
#7D75CC
500
#5045BA
600
#403795
700
#332C77
800
#28225D
900
#201C45
950
#14122B

Contrast Checker

Text on white

12.32:1

AA Pass AAA Pass

Text on black

1.7:1

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