Colour

#A60000

#A60000
Red
Dark
Nearest: Dark red

#A60000 is a red with RGB values 166, 0, 0 and HSL 0°, 100%, 33%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Dark red.

Colour values

#A60000#A60000

HEX#A60000

RGBrgb(166, 0, 0)

RGB (0–1)0.651, 0, 0

RGB percentages65.1%, 0%, 0%

HSLhsl(0, 100%, 32.5%)

HSV / HSBhsv(0, 100%, 65.1%)

CMYK0%, 100%, 100%, 34.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,878,976

CSS custom property--colour: #A60000;

Brightness & contrast

Relative luminance0.08107WCAG 2.x, 0 is black and 1 is white

Perceived brightness90.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.01:1

Contrast with white8.01:1WCAG normal text: AAA

Contrast with black2.62:1WCAG normal text: Fail

Greyscale equivalent#232323

Inverted#59FFFF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#443B00no red cones; affects about 1% of men; ΔE 63.3 from the original

Deuteranopia#695C00no green cones; the most common form, about 1% of men; ΔE 62.1 from the original

Tritanopia#B80006no blue cones; rare, and affects men and women equally; ΔE 6.4 from the original

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

Contrast with white, large text8.01:1WCAG large text: AAA

Contrast with black, large text2.62:1WCAG large text: Fail

Named colours

Dark red · ΔE 11.8 Firebrick · ΔE 12 Maroon · ΔE 16.8 Brown · ΔE 20 Crimson · ΔE 23.4 Tomato · ΔE 28.1

Nearest named CSS colourDark red (#8B0000)ΔE 11.78, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00A6A6

Analogous#A60053, #A65300

Triadic#00A600, #0000A6

Split complementary#00A653, #0053A6

Tetradic#53A600, #00A6A6, #5300A6

Tints, shades & saturation

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

Lighter +40%#FF7373

Lighter +30%#FF4040

Lighter +20%#FF0D0D

Lighter +10%#D90000

Darker −10%#730000

Darker −20%#400000

Darker −30%#0D0000

Darker −40%#000000

More saturated +25%#A60000

Less saturated −25%#911515

Channel breakdown

R166

Red166 (65.1%)

Green0 (0%)

Blue0 (0%)

Hue0°

Saturation (HSL)100%

Lightness32.55%

Dominant channelRed

Hex per channelR A6 · G 00 · B 00

Keep nerding

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#A60000

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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