#2B257C

#2B257C

Color Values

HEX

#2B257C

RGB

43, 37, 124

HSL

244.1, 54.0%, 31.6%

HSV

244.1, 70.2%, 48.6%

CMYK

65.3%, 70.2%, 0.0%, 51.4%

OKLCH

0.3334 0.1414 278.5

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#2B257C

#767C25

Analogous

#254B7C

#57257C

#2B257C

Triadic

#2B257C

#7C2B25

#257C2B

Split Complementary

#2B257C

#7C5725

#4B7C25

Tetradic

#2B257C

#7C254B

#767C25

#257C57

Color Blindness Simulation

Original

#2B257C

Protanopia

#282867

Deuteranopia

#292962

Tritanopia

#2B5653

Achromatopsia

#2D2D2D

CSS Usage

background-color: #2B257C;
color: #2B257C;
border-color: #2B257C;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F4FB
100
#E6E5F5
200
#CBC8EF
300
#A5A1E3
400
#756ED4
500
#443BC4
600
#362F9D
700
#2C267E
800
#221D62
900
#1C1948
950
#12102D

Contrast Checker

Text on white

12.66:1

AA Pass AAA Pass

Text on black

1.66:1

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