#271E3B

#271E3B

Color Values

HEX

#271E3B

RGB

39, 30, 59

HSL

258.6, 32.6%, 17.5%

HSV

258.6, 49.2%, 23.1%

CMYK

33.9%, 49.2%, 0.0%, 76.9%

OKLCH

0.2608 0.0539 296.8

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#271E3B

#323B1E

Analogous

#1E243B

#361E3B

#271E3B

Triadic

#271E3B

#3B271E

#1E3B27

Split Complementary

#271E3B

#3B361E

#243B1E

Tetradic

#271E3B

#3B1E24

#323B1E

#1E3B36

Color Blindness Simulation

Original

#271E3B

Protanopia

#232334

Deuteranopia

#242432

Tritanopia

#272E2D

Achromatopsia

#222222

CSS Usage

background-color: #271E3B;
color: #271E3B;
border-color: #271E3B;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F7F5F9
100
#EBE8F2
200
#D7D0E7
300
#BAAED6
400
#9582BF
500
#7056A9
600
#594587
700
#47376C
800
#382B55
900
#2B223F
950
#1B1628

Contrast Checker

Text on white

15.73:1

AA Pass AAA Pass

Text on black

1.34:1

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