#15517F

#15517F

Color Values

HEX

#15517F

RGB

21, 81, 127

HSL

206.0, 71.6%, 29.0%

HSV

206.0, 83.5%, 49.8%

CMYK

83.5%, 36.2%, 0.0%, 50.2%

OKLCH

0.4218 0.0969 246.6

Properties

Cool Dark Nearest: RAL 5019 Capri Blue

Color Harmonies

Complementary

#15517F

#7F4315

Analogous

#157F78

#151C7F

#15517F

Triadic

#15517F

#7F1551

#517F15

Split Complementary

#15517F

#7F151C

#7F7815

Tetradic

#15517F

#78157F

#7F4315

#1C7F15

Color Blindness Simulation

Original

#15517F

Protanopia

#2F3074

Deuteranopia

#2C2771

Tritanopia

#186B69

Achromatopsia

#484848

CSS Usage

background-color: #15517F;
color: #15517F;
border-color: #15517F;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F3F8FC
100
#E2EFF8
200
#C2DFF5
300
#96C8EE
400
#5DAAE4
500
#248CDB
600
#1D70AF
700
#17598C
800
#12466D
900
#113550
950
#0B2132

Contrast Checker

Text on white

8.35:1

AA Pass AAA Pass

Text on black

2.52:1

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