#253F4F

#253F4F

Color Values

HEX

#253F4F

RGB

37, 63, 79

HSL

202.9, 36.2%, 22.7%

HSV

202.9, 53.2%, 31.0%

CMYK

53.2%, 20.3%, 0.0%, 69.0%

OKLCH

0.354 0.0424 236.7

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#253F4F

#4F3525

Analogous

#254F4A

#252A4F

#253F4F

Triadic

#253F4F

#4F253F

#3F4F25

Split Complementary

#253F4F

#4F252A

#4F4A25

Tetradic

#253F4F

#4A254F

#4F3525

#2A4F25

Color Blindness Simulation

Original

#253F4F

Protanopia

#30304B

Deuteranopia

#2F2D4A

Tritanopia

#264847

Achromatopsia

#3B3B3B

CSS Usage

background-color: #253F4F;
color: #253F4F;
border-color: #253F4F;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F5F8FA
100
#E8EEF3
200
#CEDEE8
300
#ACC7D8
400
#7EA9C3
500
#518AAE
600
#416F8B
700
#34596F
800
#294557
900
#213440
950
#152129

Contrast Checker

Text on white

11.04:1

AA Pass AAA Pass

Text on black

1.9:1

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