#1B154D

#1B154D

Color Values

HEX

#1B154D

RGB

27, 21, 77

HSL

246.4, 57.1%, 19.2%

HSV

246.4, 72.7%, 30.2%

CMYK

64.9%, 72.7%, 0.0%, 69.8%

OKLCH

0.2446 0.0987 281.1

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#1B154D

#474D15

Analogous

#152B4D

#37154D

#1B154D

Triadic

#1B154D

#4D1B15

#154D1B

Split Complementary

#1B154D

#4D3715

#2B4D15

Tetradic

#1B154D

#4D152B

#474D15

#154D37

Color Blindness Simulation

Original

#1B154D

Protanopia

#18183F

Deuteranopia

#19193C

Tritanopia

#1B3532

Achromatopsia

#1A1A1A

CSS Usage

background-color: #1B154D;
color: #1B154D;
border-color: #1B154D;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F4F4FB
100
#E6E4F6
200
#CBC7F0
300
#A69FE5
400
#766BD7
500
#4637C8
600
#382CA0
700
#2D2380
800
#231B64
900
#1D1849
950
#120F2E

Contrast Checker

Text on white

16.65:1

AA Pass AAA Pass

Text on black

1.26:1

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