Recognised as Colour

#550A2D

#550A2D
Red
Dark
Nearest: Black

#550A2D is a red with RGB values 85, 10, 45 and HSL 332°, 79%, 19%. It is a dark colour, so white text on it reaches 14.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#550A2D#550A2D

HEX#550A2D

RGBrgb(85, 10, 45)

RGB (0–1)0.3333, 0.0392, 0.1765

RGB percentages33.3%, 3.9%, 17.6%

HSLhsl(332, 78.9%, 18.6%)

HSV / HSBhsv(332, 88.2%, 33.3%)

CMYK0%, 88.2%, 47.1%, 66.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,573,165

CSS custom property--colour: #550A2D;

Brightness & contrast

Relative luminance0.02338WCAG 2.x, 0 is black and 1 is white

Perceived brightness49.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.31:1

Contrast with white14.31:1WCAG normal text: AAA

Contrast with black1.47:1WCAG normal text: Fail

Greyscale equivalent#1C1C1C

Inverted#AAF5D2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1C212Eno red cones; affects about 1% of men; ΔE 35.1 from the original

Deuteranopia#302F2Bno green cones; the most common form, about 1% of men; ΔE 36.3 from the original

Tritanopia#5D001Ano blue cones; rare, and affects men and women equally; ΔE 14.9 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text14.31:1WCAG large text: AAA

Contrast with black, large text1.47:1WCAG large text: Fail

Named colours

Black · ΔE 39.5 Brown · ΔE 40.2 Maroon · ΔE 42 Indian red · ΔE 44 Dark slateblue · ΔE 44.2 Purple · ΔE 44.2

Nearest named CSS colourBlack (#000000)ΔE 39.52, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0A5532

Analogous#550A53, #550D0A

Triadic#2D550A, #0A2D55

Split complementary#0A550C, #0A5355

Tetradic#52550A, #0A5532, #0C0A55

Tints, shades & saturation

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

Lighter +40%#E94290

Lighter +30%#DE1A75

Lighter +20%#B0155D

Lighter +10%#830F45

Darker −10%#270515

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#5F002C

Less saturated −25%#49162E

Channel breakdown

R85

G10

B45

Red85 (33.3%)

Green10 (3.9%)

Blue45 (17.6%)

Hue332°

Saturation (HSL)78.95%

Lightness18.63%

Dominant channelRed

Hex per channelR 55 · G 0A · B 2D

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#550A2D

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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