#1B033D

#1B033D

Color Values

HEX

#1B033D

RGB

27, 3, 61

HSL

264,8, 90,6%, 12,5%

HSV

264,8, 95,1%, 23,9%

CMYK

55,7%, 95,1%, 0,0%, 76,1%

OKLCH

0,1982 0,1008 294,5

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#1B033D

#253D03

Analogous

#03083D

#38033D

#1B033D

Triadic

#1B033D

#3D1B03

#033D1B

Split Complementary

#1B033D

#3D3803

#083D03

Tetradic

#1B033D

#3D0308

#253D03

#033D38

Color Blindness Simulation

Original

#1B033D

Protanopia

#11102F

Deuteranopia

#12142C

Tritanopia

#1A2421

Achromatopsia

#0C0C0C

CSS Usage

background-color: #1B033D;
color: #1B033D;
border-color: #1B033D;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F6F1FD
100
#EBDFFB
200
#D6BBFC
300
#B88AF9
400
#924BF6
500
#6B0CF3
600
#560AC2
700
#45089C
800
#36067A
900
#2A0958
950
#1A0638

Contrast Checker

Text on white

18,63:1

AA Pass AAA Pass

Text on black

1,13:1

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