#123157

#123157

Color Values

HEX

#123157

RGB

18, 49, 87

HSL

213.0, 65.7%, 20.6%

HSV

213.0, 79.3%, 34.1%

CMYK

79.3%, 43.7%, 0.0%, 65.9%

OKLCH

0.312 0.0776 255.1

Properties

Cool Dark Nearest: RAL 5026 Pearl Night Blue

Color Harmonies

Complementary

#123157

#573812

Analogous

#125457

#151257

#123157

Triadic

#123157

#571231

#315712

Split Complementary

#123157

#571512

#545712

Tetradic

#123157

#571254

#573812

#125715

Color Blindness Simulation

Original

#123157

Protanopia

#1F204E

Deuteranopia

#1E1B4C

Tritanopia

#144745

Achromatopsia

#2D2D2D

CSS Usage

background-color: #123157;
color: #123157;
border-color: #123157;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F3F7FC
100
#E3ECF7
200
#C4D9F3
300
#9ABEEA
400
#639ADF
500
#2C77D3
600
#235FA9
700
#1C4C87
800
#163C6A
900
#142E4D
950
#0D1D31

Contrast Checker

Text on white

13.1:1

AA Pass AAA Pass

Text on black

1.6:1

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