#10233F

#10233F

Color Values

HEX

#10233F

RGB

16, 35, 63

HSL

215.7, 59.5%, 15.5%

HSV

215.7, 74.6%, 24.7%

CMYK

74.6%, 44.4%, 0.0%, 75.3%

OKLCH

0.2565 0.0587 258.0

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#10233F

#3F2C10

Analogous

#103B3F

#14103F

#10233F

Triadic

#10233F

#3F1023

#233F10

Split Complementary

#10233F

#3F1410

#3B3F10

Tetradic

#10233F

#3F103B

#3F2C10

#103F14

Color Blindness Simulation

Original

#10233F

Protanopia

#181838

Deuteranopia

#171637

Tritanopia

#113332

Achromatopsia

#212121

CSS Usage

background-color: #10233F;
color: #10233F;
border-color: #10233F;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F3F7FB
100
#E4EBF6
200
#C6D7F1
300
#9DBBE6
400
#6996D9
500
#3471CB
600
#295AA3
700
#214882
800
#1A3966
900
#172C4A
950
#0E1B2F

Contrast Checker

Text on white

15.74:1

AA Pass AAA Pass

Text on black

1.33:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

2월 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

2월 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

2월 19, 2026