#1F5F5D

#1F5F5D

Color Values

HEX

#1F5F5D

RGB

31, 95, 93

HSL

178.1, 50.8%, 24.7%

HSV

178.1, 67.4%, 37.3%

CMYK

67.4%, 0.0%, 2.1%, 62.7%

OKLCH

0.4449 0.0638 192.2

Properties

Cool Dark Nearest: RAL 6026 Opal Green

Color Harmonies

Complementary

#1F5F5D

#5F1F21

Analogous

#1F5F3D

#1F415F

#1F5F5D

Triadic

#1F5F5D

#5D1F5F

#5F5D1F

Split Complementary

#1F5F5D

#5F1F41

#5F3D1F

Tetradic

#1F5F5D

#3D1F5F

#5F1F21

#415F1F

Color Blindness Simulation

Original

#1F5F5D

Protanopia

#3B3B5D

Deuteranopia

#37325E

Tritanopia

#225E5E

Achromatopsia

#515151

CSS Usage

background-color: #1F5F5D;
color: #1F5F5D;
border-color: #1F5F5D;
Nearest Tailwind: Teal 800 #115E59

Tailwind Shades

50
#F4FBFA
100
#E5F5F4
200
#C9EDEC
300
#A3E1DF
400
#71D1CE
500
#3FC0BC
600
#329A97
700
#287B78
800
#1F605E
900
#1A4745
950
#112D2C

Contrast Checker

Text on white

7.36:1

AA Pass AAA Pass

Text on black

2.85:1

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