#251EB0

#251EB0

Color Values

HEX

#251EB0

RGB

37, 30, 176

HSL

242.9, 70.9%, 40.4%

HSV

242.9, 83.0%, 69.0%

CMYK

79.0%, 83.0%, 0.0%, 31.0%

OKLCH

0.377 0.2143 271.5

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#251EB0

#A9B01E

Analogous

#1E60B0

#6E1EB0

#251EB0

Triadic

#251EB0

#B0251E

#1EB025

Split Complementary

#251EB0

#B06E1E

#60B01E

Tetradic

#251EB0

#B01E60

#A9B01E

#1EB06E

Color Blindness Simulation

Original

#251EB0

Protanopia

#22228D

Deuteranopia

#222384

Tritanopia

#25716B

Achromatopsia

#2A2A2A

CSS Usage

background-color: #251EB0;
color: #251EB0;
border-color: #251EB0;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F3F3FC
100
#E3E2F8
200
#C4C2F5
300
#9B96ED
400
#645EE4
500
#2E25DA
600
#251EAE
700
#1D188B
800
#17136D
900
#15124F
950
#0D0B32

Contrast Checker

Text on white

11.1:1

AA Pass AAA Pass

Text on black

1.89:1

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