Colour

#550F2A

#550F2A
Red
Dark
Nearest: Black

#550F2A is a red with RGB values 85, 15, 42 and HSL 337°, 70%, 20%. It is a dark colour, so white text on it reaches 14.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#550F2A#550F2A

HEX#550F2A

RGBrgb(85, 15, 42)

RGB (0–1)0.3333, 0.0588, 0.1647

RGB percentages33.3%, 5.9%, 16.5%

HSLhsl(336.9, 70%, 19.6%)

HSV / HSBhsv(336.9, 82.4%, 33.3%)

CMYK0%, 82.4%, 50.6%, 66.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,574,442

CSS custom property--colour: #550F2A;

Brightness & contrast

Relative luminance0.0244WCAG 2.x, 0 is black and 1 is white

Perceived brightness49.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.11:1

Contrast with white14.11:1WCAG normal text: AAA

Contrast with black1.49:1WCAG normal text: Fail

Greyscale equivalent#202020

Inverted#AAF0D5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#20232Bno red cones; affects about 1% of men; ΔE 33.8 from the original

Deuteranopia#323028no green cones; the most common form, about 1% of men; ΔE 34.7 from the original

Tritanopia#5D021Bno blue cones; rare, and affects men and women equally; ΔE 12.3 from the original

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

Contrast with white, large text14.11:1WCAG large text: AAA

Contrast with black, large text1.49:1WCAG large text: Fail

Named colours

Black · ΔE 38 Brown · ΔE 38.6 Maroon · ΔE 39.9 Indian red · ΔE 42.7 Dim grey · ΔE 43 Sienna · ΔE 43.1

Nearest named CSS colourBlack (#000000)ΔE 38, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0F553A

Analogous#550F4D, #55170F

Triadic#2A550F, #0F2A55

Split complementary#0F5517, #0F4D55

Tetradic#4D550F, #0F553A, #170F55

Tints, shades & saturation

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

Lighter +40%#E05088

Lighter +30%#D7266A

Lighter +20%#AC1E55

Lighter +10%#80173F

Darker −10%#2A0715

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#620327

Less saturated −25%#491C2D

Channel breakdown

R85

G15

B42

Red85 (33.3%)

Green15 (5.9%)

Blue42 (16.5%)

Hue336.86°

Saturation (HSL)70%

Lightness19.61%

Dominant channelRed

Hex per channelR 55 · G 0F · B 2A

Keep nerding

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

#550F2A

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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