#252257

#252257

Color Values

HEX

#252257

RGB

37, 34, 87

HSL

243.4, 43.8%, 23.7%

HSV

243.4, 60.9%, 34.1%

CMYK

57.5%, 60.9%, 0.0%, 65.9%

OKLCH

0.2887 0.0928 281.4

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#252257

#545722

Analogous

#223957

#3F2257

#252257

Triadic

#252257

#572522

#225725

Split Complementary

#252257

#573F22

#395722

Tetradic

#252257

#572239

#545722

#22573F

Color Blindness Simulation

Original

#252257

Protanopia

#24244A

Deuteranopia

#242447

Tritanopia

#25403E

Achromatopsia

#262626

CSS Usage

background-color: #252257;
color: #252257;
border-color: #252257;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F5F5FA
100
#E7E7F4
200
#CDCCEB
300
#AAA7DD
400
#7C77CA
500
#4E48B7
600
#3E3993
700
#322E75
800
#27245C
900
#201D44
950
#14132B

Contrast Checker

Text on white

14.53:1

AA Pass AAA Pass

Text on black

1.45:1

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