#402557

#402557

Color Values

HEX

#402557

RGB

64, 37, 87

HSL

272.4, 40.3%, 24.3%

HSV

272.4, 57.5%, 34.1%

CMYK

26.4%, 57.5%, 0.0%, 65.9%

OKLCH

0.3241 0.0896 307.0

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#402557

#3C5725

Analogous

#272557

#572555

#402557

Triadic

#402557

#574025

#255740

Split Complementary

#402557

#555725

#255727

Tetradic

#402557

#572725

#3C5725

#255557

Color Blindness Simulation

Original

#402557

Protanopia

#34344B

Deuteranopia

#363848

Tritanopia

#3F413F

Achromatopsia

#2E2E2E

CSS Usage

background-color: #402557;
color: #402557;
border-color: #402557;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F8F5FA
100
#EEE7F3
200
#DCCDEA
300
#C4A9DA
400
#A47BC7
500
#844CB3
600
#693D8F
700
#543172
800
#422659
900
#321F42
950
#1F142A

Contrast Checker

Text on white

12.96:1

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