#312865

#312865

Color Values

HEX

#312865

RGB

49, 40, 101

HSL

248.9, 43.3%, 27.6%

HSV

248.9, 60.4%, 39.6%

CMYK

51.5%, 60.4%, 0.0%, 60.4%

OKLCH

0.3235 0.1032 285.8

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#312865

#5C6528

Analogous

#283D65

#4F2865

#312865

Triadic

#312865

#653128

#286531

Split Complementary

#312865

#654F28

#3D6528

Tetradic

#312865

#65283D

#5C6528

#28654F

Color Blindness Simulation

Original

#312865

Protanopia

#2D2D56

Deuteranopia

#2E2E53

Tritanopia

#314B48

Achromatopsia

#2E2E2E

CSS Usage

background-color: #312865;
color: #312865;
border-color: #312865;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F5F5FA
100
#E9E7F4
200
#D0CCEB
300
#AFA7DC
400
#8478CA
500
#5948B7
600
#473A92
700
#392E75
800
#2C245B
900
#231E43
950
#16132B

Contrast Checker

Text on white

12.95:1

AA Pass AAA Pass

Text on black

1.62:1

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