Recognised as Colour

#510C19

#510C19
Red
Dark
Nearest: Maroon

#510C19 is a red with RGB values 81, 12, 25 and HSL 349°, 74%, 18%. It is a dark colour, so white text on it reaches 14.8:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#510C19#510C19

HEX#510C19

RGBrgb(81, 12, 25)

RGB (0–1)0.3176, 0.0471, 0.098

RGB percentages31.8%, 4.7%, 9.8%

HSLhsl(348.7, 74.2%, 18.2%)

HSV / HSBhsv(348.7, 85.2%, 31.8%)

CMYK0%, 85.2%, 69.1%, 68.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,311,513

CSS custom property--colour: #510C19;

Brightness & contrast

Relative luminance0.02082WCAG 2.x, 0 is black and 1 is white

Perceived brightness46 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.83:1

Contrast with white14.83:1WCAG normal text: AAA

Contrast with black1.42:1WCAG normal text: Fail

Greyscale equivalent#1C1C1C

Inverted#AEF3E6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#201E19no red cones; affects about 1% of men; ΔE 33.3 from the original

Deuteranopia#312D17no green cones; the most common form, about 1% of men; ΔE 34.3 from the original

Tritanopia#5A0012no blue cones; rare, and affects men and women equally; ΔE 8.7 from the original

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

Contrast with white, large text14.83:1WCAG large text: AAA

Contrast with black, large text1.42:1WCAG large text: Fail

Named colours

Maroon · ΔE 32.6 Brown · ΔE 33.9 Saddle brown · ΔE 37 Sienna · ΔE 37 Black · ΔE 37.4 Dark red · ΔE 37.5

Nearest named CSS colourMaroon (#800000)ΔE 32.58, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0C5144

Analogous#510C3C, #51220C

Triadic#19510C, #0C1951

Split complementary#0C5122, #0C3C51

Tetradic#3B510C, #0C5144, #210C51

Tints, shades & saturation

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

Lighter +40%#E44563

Lighter +30%#D62042

Lighter +20%#AA1934

Lighter +10%#7D1327

Darker −10%#25050B

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#5D0012

Less saturated −25%#451820

Channel breakdown

R81

G12

B25

Red81 (31.8%)

Green12 (4.7%)

Blue25 (9.8%)

Hue348.7°

Saturation (HSL)74.19%

Lightness18.24%

Dominant channelRed

Hex per channelR 51 · G 0C · B 19

Keep nerding

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

#510C19

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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