#2521BF

#2521BF

Color Values

HEX

#2521BF

RGB

37, 33, 191

HSL

241.5, 70.5%, 43.9%

HSV

241.5, 82.7%, 74.9%

CMYK

80.6%, 82.7%, 0.0%, 25.1%

OKLCH

0.3981 0.2292 270.4

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#2521BF

#BBBF21

Analogous

#216CBF

#7421BF

#2521BF

Triadic

#2521BF

#BF2521

#21BF25

Split Complementary

#2521BF

#BF7421

#6CBF21

Tetradic

#2521BF

#BF216C

#BBBF21

#21BF74

Color Blindness Simulation

Original

#2521BF

Protanopia

#232399

Deuteranopia

#242490

Tritanopia

#257B74

Achromatopsia

#2D2D2D

CSS Usage

background-color: #2521BF;
color: #2521BF;
border-color: #2521BF;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F3F3FC
100
#E3E2F8
200
#C3C2F4
300
#9997ED
400
#615EE3
500
#2A26D9
600
#221EAE
700
#1B188B
800
#15136D
900
#13124F
950
#0C0B32

Contrast Checker

Text on white

10.25:1

AA Pass AAA Pass

Text on black

2.05:1

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