#253D4B

#253D4B

Color Values

HEX

#253D4B

RGB

37, 61, 75

HSL

202.1, 33.9%, 22.0%

HSV

202.1, 50.7%, 29.4%

CMYK

50.7%, 18.7%, 0.0%, 70.6%

OKLCH

0.3466 0.0386 235.1

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#253D4B

#4B3325

Analogous

#254B46

#252A4B

#253D4B

Triadic

#253D4B

#4B253D

#3D4B25

Split Complementary

#253D4B

#4B252A

#4B4625

Tetradic

#253D4B

#46254B

#4B3325

#2A4B25

Color Blindness Simulation

Original

#253D4B

Protanopia

#2F3048

Deuteranopia

#2E2C47

Tritanopia

#264544

Achromatopsia

#393939

CSS Usage

background-color: #253D4B;
color: #253D4B;
border-color: #253D4B;
Nearest Tailwind: Gray 700 #374151

Tailwind Shades

50
#F5F8FA
100
#E8EFF2
200
#CFDEE7
300
#ADC7D7
400
#81A9C1
500
#548BAB
600
#436F89
700
#36596D
800
#2A4555
900
#22343F
950
#152128

Contrast Checker

Text on white

11.37:1

AA Pass AAA Pass

Text on black

1.85:1

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