#1C1BBA

#1C1BBA

Color Values

HEX

#1C1BBA

RGB

28, 27, 186

HSL

240.4, 74.6%, 41.8%

HSV

240.4, 85.5%, 72.9%

CMYK

84.9%, 85.5%, 0.0%, 27.1%

OKLCH

0.3819 0.23 268.5

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#1C1BBA

#B9BA1B

Analogous

#1B6ABA

#6C1BBA

#1C1BBA

Triadic

#1C1BBA

#BA1C1B

#1BBA1C

Split Complementary

#1C1BBA

#BA6C1B

#6ABA1B

Tetradic

#1C1BBA

#BA1B6A

#B9BA1B

#1BBA6C

Color Blindness Simulation

Original

#1C1BBA

Protanopia

#1C1C94

Deuteranopia

#1C1C8A

Tritanopia

#1C756E

Achromatopsia

#272727

CSS Usage

background-color: #1C1BBA;
color: #1C1BBA;
border-color: #1C1BBA;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F3F2FC
100
#E2E2F8
200
#C1C1F6
300
#9594EF
400
#5B5AE7
500
#2220DF
600
#1B1AB2
700
#16158E
800
#11106F
900
#101051
950
#0A0A33

Contrast Checker

Text on white

10.97:1

AA Pass AAA Pass

Text on black

1.92:1

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