#1B4070

#1B4070

Color Values

HEX

#1B4070

RGB

27, 64, 112

HSL

213.9, 61.2%, 27.3%

HSV

213.9, 75.9%, 43.9%

CMYK

75.9%, 42.9%, 0.0%, 56.1%

OKLCH

0.3713 0.0929 256.1

Properties

Cool Dark Nearest: Midnight Blue

Color Harmonies

Complementary

#1B4070

#704B1B

Analogous

#1B6B70

#211B70

#1B4070

Triadic

#1B4070

#701B40

#40701B

Split Complementary

#1B4070

#70211B

#6B701B

Tetradic

#1B4070

#701B6B

#704B1B

#1B7021

Color Blindness Simulation

Original

#1B4070

Protanopia

#2B2B64

Deuteranopia

#292662

Tritanopia

#1D5B59

Achromatopsia

#3C3C3C

CSS Usage

background-color: #1B4070;
color: #1B4070;
border-color: #1B4070;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F3F7FB
100
#E4ECF6
200
#C5D8F1
300
#9CBDE7
400
#6799DA
500
#3175CE
600
#285EA4
700
#204B84
800
#193B67
900
#162D4B
950
#0E1C2F

Contrast Checker

Text on white

10.43:1

AA Pass AAA Pass

Text on black

2.01:1

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