Recognised as Colour

#511D0F

#511D0F
Red
Dark
Nearest: Saddle brown

#511D0F is a red with RGB values 81, 29, 15 and HSL 13°, 69%, 19%. It is a dark colour, so white text on it reaches 13.7:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#511D0F#511D0F

HEX#511D0F

RGBrgb(81, 29, 15)

RGB (0–1)0.3176, 0.1137, 0.0588

RGB percentages31.8%, 11.4%, 5.9%

HSLhsl(12.7, 68.7%, 18.8%)

HSV / HSBhsv(12.7, 81.5%, 31.8%)

CMYK0%, 64.2%, 81.5%, 68.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,315,855

CSS custom property--colour: #511D0F;

Brightness & contrast

Relative luminance0.02663WCAG 2.x, 0 is black and 1 is white

Perceived brightness49.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.7:1

Contrast with white13.7:1WCAG normal text: AAA

Contrast with black1.53:1WCAG normal text: Fail

Greyscale equivalent#272727

Inverted#AEE2F0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2B260Dno red cones; affects about 1% of men; ΔE 25.9 from the original

Deuteranopia#38320Dno green cones; the most common form, about 1% of men; ΔE 26.3 from the original

Tritanopia#5A111Ano blue cones; rare, and affects men and women equally; ΔE 11.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text13.7:1WCAG large text: AAA

Contrast with black, large text1.53:1WCAG large text: Fail

Named colours

Saddle brown · ΔE 27.4 Sienna · ΔE 29.6 Maroon · ΔE 30.6 Brown · ΔE 33.6 Dark red · ΔE 35.4 Black · ΔE 36.7

Nearest named CSS colourSaddle brown (#8B4513)ΔE 27.42, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0F4351

Analogous#510F22, #513E0F

Triadic#0F511D, #1D0F51

Split complementary#0F513E, #0F2251

Tetradic#22510F, #0F4351, #3E0F51

Tints, shades & saturation

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

Lighter +40%#DE6C4E

Lighter +30%#D24B27

Lighter +20%#A73C1F

Lighter +10%#7C2C17

Darker −10%#260E07

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#5D1603

Less saturated −25%#45241B

Channel breakdown

R81

G29

B15

Red81 (31.8%)

Green29 (11.4%)

Blue15 (5.9%)

Hue12.73°

Saturation (HSL)68.75%

Lightness18.82%

Dominant channelRed

Hex per channelR 51 · G 1D · B 0F

Keep nerding

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

#511D0F

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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