#100530

#100530

Color Values

HEX

#100530

RGB

16, 5, 48

HSL

255.3, 81.1%, 10.4%

HSV

255.3, 89.6%, 18.8%

CMYK

66.7%, 89.6%, 0.0%, 81.2%

OKLCH

0.172 0.0804 287.0

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#100530

#253005

Analogous

#051030

#250530

#100530

Triadic

#100530

#301005

#053010

Split Complementary

#100530

#302505

#103005

Tetradic

#100530

#300510

#253005

#053025

Color Blindness Simulation

Original

#100530

Protanopia

#0B0B26

Deuteranopia

#0C0D23

Tritanopia

#0F1D1C

Achromatopsia

#0A0A0A

CSS Usage

background-color: #100530;
color: #100530;
border-color: #100530;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F5F2FD
100
#E7E1F9
200
#CDBEF8
300
#A990F3
400
#7B54ED
500
#4D18E7
600
#3D13B9
700
#310F94
800
#260C73
900
#1F0D54
950
#140835

Contrast Checker

Text on white

19.33:1

AA Pass AAA Pass

Text on black

1.09:1

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