#0B253F

#0B253F

Color Values

HEX

#0B253F

RGB

11, 37, 63

HSL

210.0, 70.3%, 14.5%

HSV

210.0, 82.5%, 24.7%

CMYK

82.5%, 41.3%, 0.0%, 75.3%

OKLCH

0.2596 0.0584 251.1

Properties

Cool Dark Nearest: RAL 5010 Gentian Blue

Color Harmonies

Complementary

#0B253F

#3F250B

Analogous

#0B3F3F

#0B0B3F

#0B253F

Triadic

#0B253F

#3F0B25

#253F0B

Split Complementary

#0B253F

#3F0B0B

#3F3F0B

Tetradic

#0B253F

#3F0B3F

#3F250B

#0B3F0B

Color Blindness Simulation

Original

#0B253F

Protanopia

#161639

Deuteranopia

#151337

Tritanopia

#0C3433

Achromatopsia

#212121

CSS Usage

background-color: #0B253F;
color: #0B253F;
border-color: #0B253F;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F3F7FC
100
#E2EDF8
200
#C2DBF4
300
#97C2ED
400
#5EA1E3
500
#2680D9
600
#1E66AE
700
#18528B
800
#13406D
900
#12304F
950
#0B1F32

Contrast Checker

Text on white

15.55:1

AA Pass AAA Pass

Text on black

1.35:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026