#153A42

#153A42

Color Values

HEX

#153A42

RGB

21, 58, 66

HSL

190.7, 51.7%, 17.1%

HSV

190.7, 68.2%, 25.9%

CMYK

68.2%, 12.1%, 0.0%, 74.1%

OKLCH

0.3255 0.044 214.1

Properties

Cool Dark Nearest: RAL 6004 Blue Green

Color Harmonies

Complementary

#153A42

#421D15

Analogous

#154234

#152442

#153A42

Triadic

#153A42

#42153A

#3A4215

Split Complementary

#153A42

#421524

#423415

Tetradic

#153A42

#341542

#421D15

#244215

Color Blindness Simulation

Original

#153A42

Protanopia

#252540

Deuteranopia

#232040

Tritanopia

#173F3E

Achromatopsia

#333333

CSS Usage

background-color: #153A42;
color: #153A42;
border-color: #153A42;
Nearest Tailwind: Cyan 950 #083344

Tailwind Shades

50
#F4FAFB
100
#E5F2F5
200
#C9E7EE
300
#A2D6E1
400
#70C0D1
500
#3EAAC1
600
#31889B
700
#276D7C
800
#1F5561
900
#1A3F47
950
#10282D

Contrast Checker

Text on white

12.24:1

AA Pass AAA Pass

Text on black

1.72:1

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