#1B1EB0

#1B1EB0

Color Values

HEX

#1B1EB0

RGB

27, 30, 176

HSL

238.8, 73.4%, 39.8%

HSV

238.8, 84.7%, 69.0%

CMYK

84.7%, 83.0%, 0.0%, 31.0%

OKLCH

0.3722 0.2169 268.6

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#1B1EB0

#B0AD1B

Analogous

#1B68B0

#631BB0

#1B1EB0

Triadic

#1B1EB0

#B01B1E

#1EB01B

Split Complementary

#1B1EB0

#B0631B

#68B01B

Tetradic

#1B1EB0

#B01B68

#B0AD1B

#1BB063

Color Blindness Simulation

Original

#1B1EB0

Protanopia

#1C1C8D

Deuteranopia

#1C1C84

Tritanopia

#1B716B

Achromatopsia

#282828

CSS Usage

background-color: #1B1EB0;
color: #1B1EB0;
border-color: #1B1EB0;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F3F3FC
100
#E2E2F8
200
#C1C2F6
300
#9597EF
400
#5B5EE6
500
#2226DD
600
#1B1EB1
700
#16188D
800
#11136F
900
#101250
950
#0A0B33

Contrast Checker

Text on white

11.3:1

AA Pass AAA Pass

Text on black

1.86:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026