Recognised as Colour

#510F18

#510F18
Red
Dark
Nearest: Maroon

#510F18 is a red with RGB values 81, 15, 24 and HSL 352°, 69%, 19%. It is a dark colour, so white text on it reaches 14.7:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#510F18#510F18

HEX#510F18

RGBrgb(81, 15, 24)

RGB (0–1)0.3176, 0.0588, 0.0941

RGB percentages31.8%, 5.9%, 9.4%

HSLhsl(351.8, 68.7%, 18.8%)

HSV / HSBhsv(351.8, 81.5%, 31.8%)

CMYK0%, 81.5%, 70.4%, 68.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,312,280

CSS custom property--colour: #510F18;

Brightness & contrast

Relative luminance0.02157WCAG 2.x, 0 is black and 1 is white

Perceived brightness46.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.67:1

Contrast with white14.67:1WCAG normal text: AAA

Contrast with black1.43:1WCAG normal text: Fail

Greyscale equivalent#1E1E1E

Inverted#AEF0E7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#222018no red cones; affects about 1% of men; ΔE 32.5 from the original

Deuteranopia#322D16no green cones; the most common form, about 1% of men; ΔE 32.6 from the original

Tritanopia#5A0013no blue cones; rare, and affects men and women equally; ΔE 8.5 from the original

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

Contrast with white, large text14.67:1WCAG large text: AAA

Contrast with black, large text1.43:1WCAG large text: Fail

Named colours

Maroon · ΔE 32.1 Brown · ΔE 33.6 Saddle brown · ΔE 35.6 Sienna · ΔE 35.9 Black · ΔE 37 Dark red · ΔE 37

Nearest named CSS colourMaroon (#800000)ΔE 32.11, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0F5148

Analogous#510F39, #51270F

Triadic#18510F, #0F1851

Split complementary#0F5127, #0F3951

Tetradic#39510F, #0F5148, #270F51

Tints, shades & saturation

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

Lighter +40%#DE4E62

Lighter +30%#D2273E

Lighter +20%#A71F32

Lighter +10%#7C1725

Darker −10%#26070B

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#5D030F

Less saturated −25%#451B21

Channel breakdown

R81

G15

B24

Red81 (31.8%)

Green15 (5.9%)

Blue24 (9.4%)

Hue351.82°

Saturation (HSL)68.75%

Lightness18.82%

Dominant channelRed

Hex per channelR 51 · G 0F · B 18

Keep nerding

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

#510F18

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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