#1D4056

#1D4056

Color Values

HEX

#1D4056

RGB

29, 64, 86

HSL

203.2, 49.6%, 22.5%

HSV

203.2, 66.3%, 33.7%

CMYK

66.3%, 25.6%, 0.0%, 66.3%

OKLCH

0.356 0.0558 238.6

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#1D4056

#56331D

Analogous

#1D564F

#1D2356

#1D4056

Triadic

#1D4056

#561D40

#40561D

Split Complementary

#1D4056

#561D23

#564F1D

Tetradic

#1D4056

#4F1D56

#56331D

#23561D

Color Blindness Simulation

Original

#1D4056

Protanopia

#2C2C51

Deuteranopia

#2A284F

Tritanopia

#1F4C4C

Achromatopsia

#3A3A3A

CSS Usage

background-color: #1D4056;
color: #1D4056;
border-color: #1D4056;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F4F8FB
100
#E6EFF5
200
#CADFED
300
#A3C9E0
400
#72ABCF
500
#408EBF
600
#337199
700
#295B7A
800
#20475F
900
#1B3546
950
#11222C

Contrast Checker

Text on white

10.94:1

AA Pass AAA Pass

Text on black

1.92:1

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