#990000 Color (Hex and RGB)

#990000

rgb(153 0 0) · reads as red

#990000 has RGB values (153, 0, 0). This hex code is also a web-safe color equal to #900. The color reads primarily as red in sRGB space.

Color values

Format	Value	Channels
HEX	`#990000`	R99G00B00
RGB	`rgb(153 0 0)`	R153G0B0
HSL	`hsl(0 100% 30%)`	H0°S100%L30%
OKLCH	`oklch(43% 0.18 29)`	L0.43C0.18H29°
HSV	`hsv(0, 100%, 60%)`	H0°S100%V60%
CMYK	`cmyk(0%, 100%, 100%, 40%)`	C0%M100%Y100%K40%

RGB mix

Red153 60%
Green0 0%
Blue0 0%

Base numbers

Base	R	G	B
Binary	`10011001`	`00000000`	`00000000`
Octal	`231`	`0`	`0`
Decimal	`153`	`0`	`0`
Hex	`99`	`00`	`00`

Shades & tints

Shades mix #990000 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.

#990000 on #FFFFFF

8.92:1

AA ✓AAA ✓AA Large ✓AAA Large ✓

#990000 on #000000

2.35:1

AA ✕AAA ✕AA Large ✕AAA Large ✕

#FFFFFF on #990000