#0066B1 Color (Hex and RGB)

#0066B1

rgb(0 102 177) · reads as blue

#0066b1 has RGB values (0, 102, 177). The color reads primarily as blue in sRGB space.

Color values

Format	Value	Channels
HEX	`#0066B1`	R00G66BB1
RGB	`rgb(0 102 177)`	R0G102B177
HSL	`hsl(205 100% 35%)`	H205°S100%L35%
OKLCH	`oklch(50% 0.14 250)`	L0.5C0.14H250°
HSV	`hsv(205, 100%, 69%)`	H205°S100%V69%
CMYK	`cmyk(100%, 42%, 0%, 31%)`	C100%M42%Y0%K31%

RGB mix

Red0 0%
Green102 40%
Blue177 69.41%

Base numbers

Base	R	G	B
Binary	`00000000`	`01100110`	`10110001`
Octal	`0`	`146`	`261`
Decimal	`0`	`102`	`177`
Hex	`00`	`66`	`b1`

Shades & tints

Shades mix #0066B1 with black; tints mix it with white. Click any swatch to explore it.

Shades

Tints

Color harmonies

Complementary

Opposite on the color wheel — maximum contrast.

Analogous

Neighbors 30° either side — calm and cohesive.

Triadic

Three hues spaced 120° apart — vibrant balance.

Monochromatic

Same hue and saturation, different lightness.

Similar brand colors

The closest colors from our brand palettes, measured in OKLab.

Contrast & accessibility

WCAG 2.1 contrast against white and black. Test other pairs in the contrast checker.

#0066B1 on #FFFFFF

5.94:1

AA ✓AAA ✕AA Large ✓AAA Large ✓

#0066B1 on #000000

3.54:1

AA ✕AAA ✕AA Large ✓AAA Large ✕

#FFFFFF on #0066B1