#271B3C

#271B3C

Color Values

HEX

#271B3C

RGB

39, 27, 60

HSL

261,8, 37,9%, 17,1%

HSV

261,8, 55,0%, 23,5%

CMYK

35,0%, 55,0%, 0,0%, 76,5%

OKLCH

0,2548 0,0615 298,7

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#271B3C

#303C1B

Analogous

#1B203C

#381B3C

#271B3C

Triadic

#271B3C

#3C271B

#1B3C27

Split Complementary

#271B3C

#3C381B

#203C1B

Tetradic

#271B3C

#3C1B20

#303C1B

#1B3C38

Color Blindness Simulation

Original

#271B3C

Protanopia

#222234

Deuteranopia

#222332

Tritanopia

#262E2C

Achromatopsia

#202020

CSS Usage

background-color: #271B3C;
color: #271B3C;
border-color: #271B3C;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F7F5FA
100
#ECE7F3
200
#D8CEE9
300
#BBABD9
400
#977DC4
500
#724FB0
600
#5B3F8D
700
#493371
800
#392858
900
#2C2041
950
#1C1429

Contrast Checker

Text on white

16,05:1

AA Pass AAA Pass

Text on black

1,31:1

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