#1D175B

#1D175B

Color Values

HEX

#1D175B

RGB

29, 23, 91

HSL

245.3, 59.6%, 22.4%

HSV

245.3, 74.7%, 35.7%

CMYK

68.1%, 74.7%, 0.0%, 64.3%

OKLCH

0.2645 0.116 278.9

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#1D175B

#555B17

Analogous

#17335B

#3F175B

#1D175B

Triadic

#1D175B

#5B1D17

#175B1D

Split Complementary

#1D175B

#5B3F17

#335B17

Tetradic

#1D175B

#5B1733

#555B17

#175B3F

Color Blindness Simulation

Original

#1D175B

Protanopia

#1A1A4B

Deuteranopia

#1B1B47

Tritanopia

#1D3E3B

Achromatopsia

#1D1D1D

CSS Usage

background-color: #1D175B;
color: #1D175B;
border-color: #1D175B;
Nearest Tailwind: Violet 950 #2E1065

Tailwind Shades

50
#F4F3FB
100
#E6E4F6
200
#CAC6F1
300
#A49DE6
400
#7268D9
500
#4134CB
600
#3429A3
700
#2A2182
800
#201A66
900
#1B164A
950
#110E2F

Contrast Checker

Text on white

15.84:1

AA Pass AAA Pass

Text on black

1.33:1

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