#1F3C5D

#1F3C5D

Color Values

HEX

#1F3C5D

RGB

31, 60, 93

HSL

211.9, 50.0%, 24.3%

HSV

211.9, 66.7%, 36.5%

CMYK

66.7%, 35.5%, 0.0%, 63.5%

OKLCH

0.3506 0.0678 253.0

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#1F3C5D

#5D401F

Analogous

#1F5B5D

#211F5D

#1F3C5D

Triadic

#1F3C5D

#5D1F3C

#3C5D1F

Split Complementary

#1F3C5D

#5D211F

#5B5D1F

Tetradic

#1F3C5D

#5D1F5B

#5D401F

#1F5D21

Color Blindness Simulation

Original

#1F3C5D

Protanopia

#2C2C55

Deuteranopia

#2A2853

Tritanopia

#204F4D

Achromatopsia

#383838

CSS Usage

background-color: #1F3C5D;
color: #1F3C5D;
border-color: #1F3C5D;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F4F7FB
100
#E6EDF5
200
#C9DAED
300
#A3C0E0
400
#719ED0
500
#407BBF
600
#336399
700
#294F7A
800
#203E60
900
#1B2F46
950
#111E2C

Contrast Checker

Text on white

11.27:1

AA Pass AAA Pass

Text on black

1.86:1

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