#0A204F

#0A204F

Color Values

HEX

#0A204F

RGB

10, 32, 79

HSL

220.9, 77.5%, 17.5%

HSV

220.9, 87.3%, 31.0%

CMYK

87.3%, 59.5%, 0.0%, 69.0%

OKLCH

0.2593 0.0911 262.8

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#0A204F

#4F390A

Analogous

#0A434F

#170A4F

#0A204F

Triadic

#0A204F

#4F0A20

#204F0A

Split Complementary

#0A204F

#4F170A

#434F0A

Tetradic

#0A204F

#4F0A43

#4F390A

#0A4F17

Color Blindness Simulation

Original

#0A204F

Protanopia

#141444

Deuteranopia

#121141

Tritanopia

#0B3B39

Achromatopsia

#1F1F1F

CSS Usage

background-color: #0A204F;
color: #0A204F;
border-color: #0A204F;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F2F6FC
100
#E1E9F9
200
#C0D1F7
300
#92B1F1
400
#5886EA
500
#1D5CE2
600
#1749B5
700
#123B91
800
#0E2E71
900
#0F2452
950
#091734

Contrast Checker

Text on white

15.76:1

AA Pass AAA Pass

Text on black

1.33:1

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