#23287E

#23287E

Color Values

HEX

#23287E

RGB

35, 40, 126

HSL

236.7, 56.5%, 31.6%

HSV

236.7, 72.2%, 49.4%

CMYK

72.2%, 68.3%, 0.0%, 50.6%

OKLCH

0.3349 0.1424 273.2

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#23287E

#7E7923

Analogous

#23567E

#4C237E

#23287E

Triadic

#23287E

#7E2328

#287E23

Split Complementary

#23287E

#7E4C23

#567E23

Tetradic

#23287E

#7E2356

#7E7923

#237E4C

Color Blindness Simulation

Original

#23287E

Protanopia

#252569

Deuteranopia

#252464

Tritanopia

#235955

Achromatopsia

#2D2D2D

CSS Usage

background-color: #23287E;
color: #23287E;
border-color: #23287E;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F4FB
100
#E5E6F6
200
#C7C9EF
300
#9FA3E4
400
#6B71D6
500
#373FC8
600
#2C33A0
700
#232980
800
#1C2064
900
#181B49
950
#0F112E

Contrast Checker

Text on white

12.53:1

AA Pass AAA Pass

Text on black

1.68:1

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