#1C1FBC

#1C1FBC

Color Values

HEX

#1C1FBC

RGB

28, 31, 188

HSL

238.9, 74.1%, 42.4%

HSV

238.9, 85.1%, 73.7%

CMYK

85.1%, 83.5%, 0.0%, 26.3%

OKLCH

0.3884 0.2295 268.3

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#1C1FBC

#BCB91C

Analogous

#1C6FBC

#691CBC

#1C1FBC

Triadic

#1C1FBC

#BC1C1F

#1FBC1C

Split Complementary

#1C1FBC

#BC691C

#6FBC1C

Tetradic

#1C1FBC

#BC1C6F

#BCB91C

#1CBC69

Color Blindness Simulation

Original

#1C1FBC

Protanopia

#1D1D96

Deuteranopia

#1D1D8D

Tritanopia

#1C7871

Achromatopsia

#2A2A2A

CSS Usage

background-color: #1C1FBC;
color: #1C1FBC;
border-color: #1C1FBC;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F3F3FC
100
#E2E2F8
200
#C1C2F6
300
#9496EF
400
#5B5DE7
500
#2124DE
600
#1A1DB2
700
#15178E
800
#11126F
900
#101151
950
#0A0B33

Contrast Checker

Text on white

10.65:1

AA Pass AAA Pass

Text on black

1.97:1

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