#CB3837 Color (Hex and RGB)

#CB3837

rgb(203 56 55) · reads as red

#cb3837 has RGB values (203, 56, 55). The color reads primarily as red in sRGB space.

Color values

Format	Value	Channels
HEX	`#CB3837`	RCBG38B37
RGB	`rgb(203 56 55)`	R203G56B55
HSL	`hsl(0 59% 51%)`	H0°S59%L51%
OKLCH	`oklch(56% 0.18 26)`	L0.56C0.18H26°
HSV	`hsv(0, 73%, 80%)`	H0°S73%V80%
CMYK	`cmyk(0%, 72%, 73%, 20%)`	C0%M72%Y73%K20%

RGB mix

Red203 79.61%
Green56 21.96%
Blue55 21.57%

Base numbers

Base	R	G	B
Binary	`11001011`	`00111000`	`00110111`
Octal	`313`	`70`	`67`
Decimal	`203`	`56`	`55`
Hex	`cb`	`38`	`37`

Shades & tints

Shades mix #CB3837 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.

#CB3837 on #FFFFFF

5.05:1

AA ✓AAA ✕AA Large ✓AAA Large ✓

#CB3837 on #000000

4.16:1

AA ✕AAA ✕AA Large ✓AAA Large ✕

#FFFFFF on #CB3837