#1D18B0

#1D18B0

Color Values

HEX

#1D18B0

RGB

29, 24, 176

HSL

242.0, 76.0%, 39.2%

HSV

242.0, 86.4%, 69.0%

CMYK

83.5%, 86.4%, 0.0%, 31.0%

OKLCH

0.367 0.2205 269.4

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#1D18B0

#ABB018

Analogous

#185FB0

#6918B0

#1D18B0

Triadic

#1D18B0

#B01D18

#18B01D

Split Complementary

#1D18B0

#B06918

#5FB018

Tetradic

#1D18B0

#B0185F

#ABB018

#18B069

Color Blindness Simulation

Original

#1D18B0

Protanopia

#1B1B8B

Deuteranopia

#1B1B82

Tritanopia

#1D6E68

Achromatopsia

#242424

CSS Usage

background-color: #1D18B0;
color: #1D18B0;
border-color: #1D18B0;
Nearest Tailwind: Violet 800 #5B21B6

Tailwind Shades

50
#F3F2FC
100
#E2E2F9
200
#C2C0F6
300
#9693F0
400
#5E59E8
500
#251FE0
600
#1E18B4
700
#181490
800
#130F70
900
#120F52
950
#0B0A34

Contrast Checker

Text on white

11.6:1

AA Pass AAA Pass

Text on black

1.81:1

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