Recognised as Colour

#64090A

#64090A
Red
Dark
Nearest: Maroon

#64090A is a red with RGB values 100, 9, 10 and HSL 359°, 83%, 21%. It is a dark colour, so white text on it reaches 13.2:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#64090A#64090A

HEX#64090A

RGBrgb(100, 9, 10)

RGB (0–1)0.3922, 0.0353, 0.0392

RGB percentages39.2%, 3.5%, 3.9%

HSLhsl(359.3, 83.5%, 21.4%)

HSV / HSBhsv(359.3, 91%, 39.2%)

CMYK0%, 91%, 90%, 60.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,555,914

CSS custom property--colour: #64090A;

Brightness & contrast

Relative luminance0.02927WCAG 2.x, 0 is black and 1 is white

Perceived brightness55.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.25:1

Contrast with white13.25:1WCAG normal text: AAA

Contrast with black1.59:1WCAG normal text: Fail

Greyscale equivalent#1C1C1C

Inverted#9BF6F5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#282308no red cones; affects about 1% of men; ΔE 41.6 from the original

Deuteranopia#3E3705no green cones; the most common form, about 1% of men; ΔE 41.7 from the original

Tritanopia#6F000Bno blue cones; rare, and affects men and women equally; ΔE 6.2 from the original

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

Contrast with white, large text13.25:1WCAG large text: AAA

Contrast with black, large text1.59:1WCAG large text: Fail

Named colours

Maroon · ΔE 16.6 Dark red · ΔE 21.6 Brown · ΔE 21.7 Saddle brown · ΔE 26.1 Sienna · ΔE 27.4 Firebrick · ΔE 28.7

Nearest named CSS colourMaroon (#800000)ΔE 16.64, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#096463

Analogous#640937, #643509

Triadic#0A6409, #090A64

Split complementary#096435, #093764

Tetradic#386409, #096463, #360964

Tints, shades & saturation

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

Lighter +40%#EF4A4C

Lighter +30%#EB1B1E

Lighter +20%#C21113

Lighter +10%#930D0F

Darker −10%#350505

Darker −20%#060101

Darker −30%#000000

Darker −40%#000000

More saturated +25%#6D0001

Less saturated −25%#561717

Channel breakdown

R100

B10

Red100 (39.2%)

Green9 (3.5%)

Blue10 (3.9%)

Hue359.34°

Saturation (HSL)83.49%

Lightness21.37%

Dominant channelRed

Hex per channelR 64 · G 09 · B 0A

Keep nerding

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#64090A

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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