#1B4745

#1B4745

Color Values

HEX

#1B4745

RGB

27, 71, 69

HSL

177.3, 44.9%, 19.2%

HSV

177.3, 62.0%, 27.8%

CMYK

62.0%, 0.0%, 2.8%, 72.2%

OKLCH

0.3667 0.0484 191.2

Properties

Cool Dark Nearest: darkslategrey

Color Harmonies

Complementary

#1B4745

#471B1D

Analogous

#1B472F

#1B3347

#1B4745

Triadic

#1B4745

#451B47

#47451B

Split Complementary

#1B4745

#471B33

#472F1B

Tetradic

#1B4745

#2F1B47

#471B1D

#33471B

Color Blindness Simulation

Original

#1B4745

Protanopia

#2E2E45

Deuteranopia

#2C2846

Tritanopia

#1D4646

Achromatopsia

#3E3E3E

CSS Usage

background-color: #1B4745;
color: #1B4745;
border-color: #1B4745;
Nearest Tailwind: Teal 900 #134E4A

Tailwind Shades

50
#F4FAFA
100
#E6F4F3
200
#CBEBEA
300
#A6DDDB
400
#76CBC7
500
#46B9B4
600
#389490
700
#2D7673
800
#235C5A
900
#1D4442
950
#122B2A

Contrast Checker

Text on white

10.33:1

AA Pass AAA Pass

Text on black

2.03:1

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