Recognised as Colour

#66091A

#66091A
Red
Dark
Nearest: Maroon

#66091A is a red with RGB values 102, 9, 26 and HSL 349°, 84%, 22%. It is a dark colour, so white text on it reaches 13:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#66091A#66091A

HEX#66091A

RGBrgb(102, 9, 26)

RGB (0–1)0.4, 0.0353, 0.102

RGB percentages40%, 3.5%, 10.2%

HSLhsl(349, 83.8%, 21.8%)

HSV / HSBhsv(349, 91.2%, 40%)

CMYK0%, 91.2%, 74.5%, 60%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,687,002

CSS custom property--colour: #66091A;

Brightness & contrast

Relative luminance0.03095WCAG 2.x, 0 is black and 1 is white

Perceived brightness56.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.97:1

Contrast with white12.97:1WCAG normal text: AAA

Contrast with black1.62:1WCAG normal text: Fail

Greyscale equivalent#1E1E1E

Inverted#99F6E5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#28251Ano red cones; affects about 1% of men; ΔE 41.8 from the original

Deuteranopia#3E3817no green cones; the most common form, about 1% of men; ΔE 42.3 from the original

Tritanopia#710011no blue cones; rare, and affects men and women equally; ΔE 10 from the original

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

Contrast with white, large text12.97:1WCAG large text: AAA

Contrast with black, large text1.62:1WCAG large text: Fail

Named colours

Maroon · ΔE 22.9 Brown · ΔE 23.9 Dark red · ΔE 27.6 Sienna · ΔE 31.3 Saddle brown · ΔE 31.9 Firebrick · ΔE 32.1

Nearest named CSS colourMaroon (#800000)ΔE 22.93, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#096655

Analogous#660949, #662709

Triadic#1A6609, #091A66

Split complementary#096627, #094966

Tetradic#486609, #096655, #260966

Tints, shades & saturation

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

Lighter +40%#EF4C6A

Lighter +30%#EB1D43

Lighter +20%#C41132

Lighter +10%#950D26

Darker −10%#37050E

Darker −20%#080102

Darker −30%#000000

Darker −40%#000000

More saturated +25%#6F0014

Less saturated −25%#581723

Channel breakdown

R102

B26

Red102 (40%)

Green9 (3.5%)

Blue26 (10.2%)

Hue349.03°

Saturation (HSL)83.78%

Lightness21.76%

Dominant channelRed

Hex per channelR 66 · G 09 · B 1A

Keep nerding

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

#66091A

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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