Colour

#552D21

#552D21
Red
Dark
Nearest: Saddle brown

#552D21 is a red with RGB values 85, 45, 33 and HSL 14°, 44%, 23%. It is a dark colour, so white text on it reaches 11.8:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#552D21#552D21

HEX#552D21

RGBrgb(85, 45, 33)

RGB (0–1)0.3333, 0.1765, 0.1294

RGB percentages33.3%, 17.6%, 12.9%

HSLhsl(13.8, 44.1%, 23.1%)

HSV / HSBhsv(13.8, 61.2%, 33.3%)

CMYK0%, 47.1%, 61.2%, 66.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,582,113

CSS custom property--colour: #552D21;

Brightness & contrast

Relative luminance0.03918WCAG 2.x, 0 is black and 1 is white

Perceived brightness58.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.77:1

Contrast with white11.77:1WCAG normal text: AAA

Contrast with black1.78:1WCAG normal text: Fail

Greyscale equivalent#353535

Inverted#AAD2DE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#373320no red cones; affects about 1% of men; ΔE 19.1 from the original

Deuteranopia#413B20no green cones; the most common form, about 1% of men; ΔE 19.1 from the original

Tritanopia#5D262Ano blue cones; rare, and affects men and women equally; ΔE 10.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text11.77:1WCAG large text: AAA

Contrast with black, large text1.78:1WCAG large text: Fail

Named colours

Saddle brown · ΔE 30.4 Sienna · ΔE 31 Dim grey · ΔE 31.3 Black · ΔE 32.9 Dark slate grey · ΔE 35.6 Gray · ΔE 38.1

Nearest named CSS colourSaddle brown (#8B4513)ΔE 30.39, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#214955

Analogous#55212F, #554721

Triadic#21552D, #2D2155

Split complementary#215547, #212F55

Tetradic#2F5521, #214955, #472155

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#CA8B78

Lighter +30%#BC6B53

Lighter +20%#9E543E

Lighter +10%#7A402F

Darker −10%#301A13

Darker −20%#0C0604

Darker −30%#000000

Darker −40%#000000

More saturated +25%#642512

Less saturated −25%#463530

Channel breakdown

R85

G45

B33

Red85 (33.3%)

Green45 (17.6%)

Blue33 (12.9%)

Hue13.85°

Saturation (HSL)44.07%

Lightness23.14%

Dominant channelRed

Hex per channelR 55 · G 2D · B 21

Keep nerding

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#552D21

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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