#151E34

#151E34

Color Values

HEX

#151E34

RGB

21, 30, 52

HSL

222.6, 42.5%, 14.3%

HSV

222.6, 59.6%, 20.4%

CMYK

59.6%, 42.3%, 0.0%, 79.6%

OKLCH

0.2385 0.0444 266.2

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#151E34

#342B15

Analogous

#152D34

#1B1534

#151E34

Triadic

#151E34

#34151E

#1E3415

Split Complementary

#151E34

#341B15

#2D3415

Tetradic

#151E34

#34152D

#342B15

#15341B

Color Blindness Simulation

Original

#151E34

Protanopia

#19192F

Deuteranopia

#18182D

Tritanopia

#152A2A

Achromatopsia

#1E1E1E

CSS Usage

background-color: #151E34;
color: #151E34;
border-color: #151E34;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F5F6FA
100
#E7EAF4
200
#CCD5EA
300
#A8B7DC
400
#7990C9
500
#4969B6
600
#3B5491
700
#2F4374
800
#25345B
900
#1E2943
950
#131A2A

Contrast Checker

Text on white

16.57:1

AA Pass AAA Pass

Text on black

1.27:1

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