#001B34

#001B34

Color Values

HEX

#001B34

RGB

0, 27, 52

HSL

208.8, 100.0%, 10.2%

HSV

208.8, 100.0%, 20.4%

CMYK

100.0%, 48.1%, 0.0%, 79.6%

OKLCH

0.2176 0.0597 248.8

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#001B34

#341900

Analogous

#003433

#000134

#001B34

Triadic

#001B34

#34001B

#1B3400

Split Complementary

#001B34

#340001

#343300

Tetradic

#001B34

#330034

#341900

#013400

Color Blindness Simulation

Original

#001B34

Protanopia

#0C0C2E

Deuteranopia

#0A082C

Tritanopia

#012928

Achromatopsia

#171717

CSS Usage

background-color: #001B34;
color: #001B34;
border-color: #001B34;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F1F8FE
100
#DEEEFC
200
#B8DDFF
300
#85C4FF
400
#42A4FF
500
#0085FF
600
#006ACC
700
#0055A3
800
#004280
900
#05325C
950
#03203A

Contrast Checker

Text on white

17.41:1

AA Pass AAA Pass

Text on black

1.21:1

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