Recognised as Colour

#66090F

#66090F
Red
Dark
Nearest: Maroon

#66090F is a red with RGB values 102, 9, 15 and HSL 356°, 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

#66090F#66090F

HEX#66090F

RGBrgb(102, 9, 15)

RGB (0–1)0.4, 0.0353, 0.0588

RGB percentages40%, 3.5%, 5.9%

HSLhsl(356.1, 83.8%, 21.8%)

HSV / HSBhsv(356.1, 91.2%, 40%)

CMYK0%, 91.2%, 85.3%, 60%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,686,991

CSS custom property--colour: #66090F;

Brightness & contrast

Relative luminance0.03055WCAG 2.x, 0 is black and 1 is white

Perceived brightness56.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.04:1

Contrast with white13.04:1WCAG normal text: AAA

Contrast with black1.61:1WCAG normal text: Fail

Greyscale equivalent#1D1D1D

Inverted#99F6F0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#29240Eno red cones; affects about 1% of men; ΔE 41.9 from the original

Deuteranopia#3F380Ano green cones; the most common form, about 1% of men; ΔE 42.3 from the original

Tritanopia#71000Dno blue cones; rare, and affects men and women equally; ΔE 6.7 from the original

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

Contrast with white, large text13.04:1WCAG large text: AAA

Contrast with black, large text1.61:1WCAG large text: Fail

Named colours

Maroon · ΔE 17.3 Brown · ΔE 21.2 Dark red · ΔE 22.2 Saddle brown · ΔE 27 Sienna · ΔE 27.8 Firebrick · ΔE 28.6

Nearest named CSS colourMaroon (#800000)ΔE 17.29, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#096660

Analogous#66093D, #663109

Triadic#0F6609, #090F66

Split complementary#096632, #093D66

Tetradic#3E6609, #096660, #320966

Tints, shades & saturation

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

Lighter +40%#EF4C56

Lighter +30%#EB1D2A

Lighter +20%#C4111D

Lighter +10%#950D16

Darker −10%#370508

Darker −20%#080101

Darker −30%#000000

Darker −40%#000000

More saturated +25%#6F0007

Less saturated −25%#58171B

Channel breakdown

R102

B15

Red102 (40%)

Green9 (3.5%)

Blue15 (5.9%)

Hue356.13°

Saturation (HSL)83.78%

Lightness21.76%

Dominant channelRed

Hex per channelR 66 · G 09 · B 0F

Keep nerding

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

#66090F

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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