#251437

#251437

Color Values

HEX

#251437

RGB

37, 20, 55

HSL

269.1, 46.7%, 14.7%

HSV

269.1, 63.6%, 21.6%

CMYK

32.7%, 63.6%, 0.0%, 78.4%

OKLCH

0.2343 0.067 304.1

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#251437

#263714

Analogous

#141537

#361437

#251437

Triadic

#251437

#372514

#143725

Split Complementary

#251437

#373614

#153714

Tetradic

#251437

#371415

#263714

#143736

Color Blindness Simulation

Original

#251437

Protanopia

#1E1D2F

Deuteranopia

#1F202C

Tritanopia

#242826

Achromatopsia

#1A1A1A

CSS Usage

background-color: #251437;
color: #251437;
border-color: #251437;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F7F4FA
100
#EDE6F4
200
#DBCBEC
300
#C1A5DE
400
#9F75CD
500
#7E44BB
600
#653696
700
#502B78
800
#3F225E
900
#301C45
950
#1E122B

Contrast Checker

Text on white

17.02:1

AA Pass AAA Pass

Text on black

1.23:1

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