#11152E

#11152E

Color Values

HEX

#11152E

RGB

17, 21, 46

HSL

231.7, 46.0%, 12.4%

HSV

231.7, 63.0%, 18.0%

CMYK

63.0%, 54.3%, 0.0%, 82.0%

OKLCH

0.207 0.0497 274.4

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#11152E

#2E2A11

Analogous

#11242E

#1C112E

#11152E

Triadic

#11152E

#2E1115

#152E11

Split Complementary

#11152E

#2E1C11

#242E11

Tetradic

#11152E

#2E1124

#2E2A11

#112E1C

Color Blindness Simulation

Original

#11152E

Protanopia

#131328

Deuteranopia

#121226

Tritanopia

#112322

Achromatopsia

#161616

CSS Usage

background-color: #11152E;
color: #11152E;
border-color: #11152E;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F4F5FA
100
#E6E8F4
200
#CBCFEC
300
#A6ADDE
400
#7581CC
500
#4555BA
600
#374495
700
#2C3677
800
#222B5D
900
#1C2245
950
#12152B

Contrast Checker

Text on white

17.94:1

AA Pass AAA Pass

Text on black

1.17:1

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