#1B507F

#1B507F

Color Values

HEX

#1B507F

RGB

27, 80, 127

HSL

208.2, 64.9%, 30.2%

HSV

208.2, 78.7%, 49.8%

CMYK

78.7%, 37.0%, 0.0%, 50.2%

OKLCH

0.421 0.0959 249.0

Properties

Cool Dark Nearest: RAL 5019 Capri Blue

Color Harmonies

Complementary

#1B507F

#7F4A1B

Analogous

#1B7F7C

#1B1E7F

#1B507F

Triadic

#1B507F

#7F1B50

#507F1B

Split Complementary

#1B507F

#7F1B1E

#7F7C1B

Tetradic

#1B507F

#7C1B7F

#7F4A1B

#1E7F1B

Color Blindness Simulation

Original

#1B507F

Protanopia

#323274

Deuteranopia

#2F2B71

Tritanopia

#1E6B69

Achromatopsia

#484848

CSS Usage

background-color: #1B507F;
color: #1B507F;
border-color: #1B507F;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F3F8FC
100
#E3EEF7
200
#C4DDF2
300
#9AC4EA
400
#63A4DE
500
#2D84D2
600
#246AA8
700
#1D5587
800
#164269
900
#14324D
950
#0D2030

Contrast Checker

Text on white

8.4:1

AA Pass AAA Pass

Text on black

2.5:1

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