#1D2139

#1D2139

Color Values

HEX

#1D2139

RGB

29, 33, 57

HSL

231,4, 32,6%, 16,9%

HSV

231,4, 49,1%, 22,4%

CMYK

49,1%, 42,1%, 0,0%, 77,6%

OKLCH

0,2564 0,0456 275,5

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#1D2139

#39351D

Analogous

#1D2F39

#271D39

#1D2139

Triadic

#1D2139

#391D21

#21391D

Split Complementary

#1D2139

#39271D

#2F391D

Tetradic

#1D2139

#391D2F

#39351D

#1D3927

Color Blindness Simulation

Original

#1D2139

Protanopia

#1F1F33

Deuteranopia

#1E1E32

Tritanopia

#1D2F2E

Achromatopsia

#222222

CSS Usage

background-color: #1D2139;
color: #1D2139;
border-color: #1D2139;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F5F6F9
100
#E8EAF2
200
#D0D3E7
300
#AEB4D6
400
#828BBF
500
#5662A9
600
#454E87
700
#373F6C
800
#2B3155
900
#22263F
950
#161828

Contrast Checker

Text on white

15,8:1

AA Pass AAA Pass

Text on black

1,33:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

يناير 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

يناير 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

يناير 15, 2026