#251336

#251336

Color Values

HEX

#251336

RGB

37, 19, 54

HSL

270.9, 47.9%, 14.3%

HSV

270.9, 64.8%, 21.2%

CMYK

31.5%, 64.8%, 0.0%, 78.8%

OKLCH

0.2316 0.0674 305.5

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#251336

#243613

Analogous

#141336

#361335

#251336

Triadic

#251336

#362513

#133625

Split Complementary

#251336

#353613

#133614

Tetradic

#251336

#361413

#243613

#133536

Color Blindness Simulation

Original

#251336

Protanopia

#1D1D2E

Deuteranopia

#1E202C

Tritanopia

#242725

Achromatopsia

#191919

CSS Usage

background-color: #251336;
color: #251336;
border-color: #251336;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F7F4FA
100
#EDE6F4
200
#DCCAEC
300
#C3A4DF
400
#A273CE
500
#8142BD
600
#673597
700
#532B79
800
#41215E
900
#311C45
950
#1F112C

Contrast Checker

Text on white

17.14:1

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