Recognised as Colour

#511D1A

#511D1A
Red
Dark
Nearest: Saddle brown

#511D1A is a red with RGB values 81, 29, 26 and HSL 3°, 51%, 21%. It is a dark colour, so white text on it reaches 13.6:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#511D1A#511D1A

HEX#511D1A

RGBrgb(81, 29, 26)

RGB (0–1)0.3176, 0.1137, 0.102

RGB percentages31.8%, 11.4%, 10.2%

HSLhsl(3.3, 51.4%, 21%)

HSV / HSBhsv(3.3, 67.9%, 31.8%)

CMYK0%, 64.2%, 67.9%, 68.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,315,866

CSS custom property--colour: #511D1A;

Brightness & contrast

Relative luminance0.02703WCAG 2.x, 0 is black and 1 is white

Perceived brightness50.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.63:1

Contrast with white13.63:1WCAG normal text: AAA

Contrast with black1.54:1WCAG normal text: Fail

Greyscale equivalent#282828

Inverted#AEE2E5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2A2719no red cones; affects about 1% of men; ΔE 26.2 from the original

Deuteranopia#373219no green cones; the most common form, about 1% of men; ΔE 26.3 from the original

Tritanopia#59131Dno blue cones; rare, and affects men and women equally; ΔE 8.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text13.63:1WCAG large text: AAA

Contrast with black, large text1.54:1WCAG large text: Fail

Named colours

Saddle brown · ΔE 32.5 Sienna · ΔE 33.2 Black · ΔE 33.9 Maroon · ΔE 34.3 Brown · ΔE 35.5 Dim grey · ΔE 38

Nearest named CSS colourSaddle brown (#8B4513)ΔE 32.51, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1A4E51

Analogous#511A33, #51381A

Triadic#1A511D, #1D1A51

Split complementary#1A5138, #1A3351

Tetradic#33511A, #1A4E51, #381A51

Tints, shades & saturation

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

Lighter +40%#CF6E68

Lighter +30%#C24942

Lighter +20%#9E3933

Lighter +10%#782B26

Darker −10%#2A0F0E

Darker −20%#040101

Darker −30%#000000

Darker −40%#000000

More saturated +25%#5E110D

Less saturated −25%#442927

Channel breakdown

R81

G29

B26

Red81 (31.8%)

Green29 (11.4%)

Blue26 (10.2%)

Hue3.27°

Saturation (HSL)51.4%

Lightness20.98%

Dominant channelRed

Hex per channelR 51 · G 1D · B 1A

Keep nerding

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

#511D1A

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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