Recognised as Colour

#511D35

#511D35
Red
Dark
Nearest: Black

#511D35 is a red with RGB values 81, 29, 53 and HSL 332°, 47%, 22%. It is a dark colour, so white text on it reaches 13.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#511D35#511D35

HEX#511D35

RGBrgb(81, 29, 53)

RGB (0–1)0.3176, 0.1137, 0.2078

RGB percentages31.8%, 11.4%, 20.8%

HSLhsl(332.3, 47.3%, 21.6%)

HSV / HSBhsv(332.3, 64.2%, 31.8%)

CMYK0%, 64.2%, 34.6%, 68.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,315,893

CSS custom property--colour: #511D35;

Brightness & contrast

Relative luminance0.02885WCAG 2.x, 0 is black and 1 is white

Perceived brightness52.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.32:1

Contrast with white13.32:1WCAG normal text: AAA

Contrast with black1.58:1WCAG normal text: Fail

Greyscale equivalent#2A2A2A

Inverted#AEE2CA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#252936no red cones; affects about 1% of men; ΔE 26.1 from the original

Deuteranopia#333334no green cones; the most common form, about 1% of men; ΔE 27.2 from the original

Tritanopia#571A26no blue cones; rare, and affects men and women equally; ΔE 11 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text13.32:1WCAG large text: AAA

Contrast with black, large text1.58:1WCAG large text: Fail

Named colours

Black · ΔE 33.7 Dim grey · ΔE 37 Dark slateblue · ΔE 40.3 Dark slate grey · ΔE 40.6 Gray · ΔE 43.7 Brown · ΔE 44.5

Nearest named CSS colourBlack (#000000)ΔE 33.68, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1D5139

Analogous#511D4F, #511F1D

Triadic#35511D, #1D3551

Split complementary#1D511F, #1D4F51

Tetradic#4F511D, #1D5139, #1F1D51

Tints, shades & saturation

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

Lighter +40%#CB6F99

Lighter +30%#BE497F

Lighter +20%#9C3866

Lighter +10%#772A4E

Darker −10%#2B101C

Darker −20%#060204

Darker −30%#000000

Darker −40%#000000

More saturated +25%#5F0F34

Less saturated −25%#432B36

Channel breakdown

R81

G29

B53

Red81 (31.8%)

Green29 (11.4%)

Blue53 (20.8%)

Hue332.31°

Saturation (HSL)47.27%

Lightness21.57%

Dominant channelRed

Hex per channelR 51 · G 1D · B 35

Keep nerding

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

#511D35

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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