Colour

#A53131

#A53131
Red
Dark
Nearest: Brown

#A53131 is a red with RGB values 165, 49, 49 and HSL 0°, 54%, 42%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#A53131#A53131

HEX#A53131

RGBrgb(165, 49, 49)

RGB (0–1)0.6471, 0.1922, 0.1922

RGB percentages64.7%, 19.2%, 19.2%

HSLhsl(0, 54.2%, 42%)

HSV / HSBhsv(0, 70.3%, 64.7%)

CMYK0%, 70.3%, 70.3%, 35.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,826,033

CSS custom property--colour: #A53131;

Brightness & contrast

Relative luminance0.10418WCAG 2.x, 0 is black and 1 is white

Perceived brightness99.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.81:1

Contrast with white6.81:1WCAG normal text: AA

Contrast with black3.08:1WCAG normal text: Fail

Greyscale equivalent#4A4A4A

Inverted#5ACECE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#524B30no red cones; affects about 1% of men; ΔE 50.6 from the original

Deuteranopia#6F642Dno green cones; the most common form, about 1% of men; ΔE 51 from the original

Tritanopia#B50C32no blue cones; rare, and affects men and women equally; ΔE 14.3 from the original

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

Contrast with white, large text6.81:1WCAG large text: AAA

Contrast with black, large text3.08:1WCAG large text: AA

Named colours

Brown · ΔE 3.9 Firebrick · ΔE 13.2 Indian red · ΔE 16 Maroon · ΔE 16.8 Dark red · ΔE 17.7 Sienna · ΔE 20.5

Nearest named CSS colourBrown (#A52A2A)ΔE 3.92, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#31A5A5

Analogous#A5316B, #A56B31

Triadic#31A531, #3131A5

Split complementary#31A56B, #316BA5

Tetradic#6BA531, #31A5A5, #6B31A5

Tints, shades & saturation

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

Lighter +40%#EAB8B8

Lighter +30%#DE9191

Lighter +20%#D36969

Lighter +10%#C74242

Darker −10%#7E2525

Darker −20%#561A1A

Darker −30%#2F0E0E

Darker −40%#080202

More saturated +25%#C01616

Less saturated −25%#8A4C4C

Channel breakdown

R165

G49

B49

Red165 (64.7%)

Green49 (19.2%)

Blue49 (19.2%)

Hue0°

Saturation (HSL)54.21%

Lightness41.96%

Dominant channelRed

Hex per channelR A5 · G 31 · B 31

Keep nerding

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

#A53131

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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