#1F5459

#1F5459

Color Values

HEX

#1F5459

RGB

31, 84, 89

HSL

185.2, 48.3%, 23.5%

HSV

185.2, 65.2%, 34.9%

CMYK

65.2%, 5.6%, 0.0%, 65.1%

OKLCH

0.413 0.0559 203.8

Properties

Cool Dark Nearest: darkslategrey

Color Harmonies

Complementary

#1F5459

#59241F

Analogous

#1F5941

#1F3759

#1F5459

Triadic

#1F5459

#591F54

#54591F

Split Complementary

#1F5459

#591F37

#59411F

Tetradic

#1F5459

#411F59

#59241F

#37591F

Color Blindness Simulation

Original

#1F5459

Protanopia

#363658

Deuteranopia

#332F58

Tritanopia

#225757

Achromatopsia

#494949

CSS Usage

background-color: #1F5459;
color: #1F5459;
border-color: #1F5459;
Nearest Tailwind: Teal 900 #134E4A

Tailwind Shades

50
#F4FAFA
100
#E6F3F4
200
#CAEAED
300
#A4DADF
400
#73C6CE
500
#42B2BD
600
#358F97
700
#2A7279
800
#21595F
900
#1B4246
950
#112A2C

Contrast Checker

Text on white

8.5:1

AA Pass AAA Pass

Text on black

2.47:1

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