Colour

#813C40

#813C40
Red
Dark
Nearest: Sienna

#813C40 is a red with RGB values 129, 60, 64 and HSL 357°, 37%, 37%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Sienna.

Colour values

#813C40#813C40

HEX#813C40

RGBrgb(129, 60, 64)

RGB (0–1)0.5059, 0.2353, 0.251

RGB percentages50.6%, 23.5%, 25.1%

HSLhsl(356.5, 36.5%, 37.1%)

HSV / HSBhsv(356.5, 53.5%, 50.6%)

CMYK0%, 53.5%, 50.4%, 49.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,469,568

CSS custom property--colour: #813C40;

Brightness & contrast

Relative luminance0.08269WCAG 2.x, 0 is black and 1 is white

Perceived brightness86.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.91:1

Contrast with white7.91:1WCAG normal text: AAA

Contrast with black2.65:1WCAG normal text: Fail

Greyscale equivalent#4B4B4B

Inverted#7EC3BF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4B4940no red cones; affects about 1% of men; ΔE 31.9 from the original

Deuteranopia#5C573Fno green cones; the most common form, about 1% of men; ΔE 32.6 from the original

Tritanopia#8C323Eno blue cones; rare, and affects men and women equally; ΔE 9.2 from the original

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

Contrast with white, large text7.91:1WCAG large text: AAA

Contrast with black, large text2.65:1WCAG large text: Fail

Named colours

Sienna · ΔE 25.6 Indian red · ΔE 26.1 Brown · ΔE 27.3 Saddle brown · ΔE 29.6 Pale violetred · ΔE 32.3 Rosy brown · ΔE 32.3

Nearest named CSS colourSienna (#A0522D)ΔE 25.65, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3C817D

Analogous#813C63, #815B3C

Triadic#40813C, #3C4081

Split complementary#3C815B, #3C6381

Tetradic#62813C, #3C817D, #5A3C81

Tints, shades & saturation

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

Lighter +40%#DAAFB2

Lighter +30%#CA8C90

Lighter +20%#B96A6E

Lighter +10%#A44C51

Darker −10%#5E2C2F

Darker −20%#3B1C1D

Darker −30%#190B0C

Darker −40%#000000

More saturated +25%#99242B

Less saturated −25%#695455

Channel breakdown

R129

G60

B64

Red129 (50.6%)

Green60 (23.5%)

Blue64 (25.1%)

Hue356.52°

Saturation (HSL)36.51%

Lightness37.06%

Dominant channelRed

Hex per channelR 81 · G 3C · B 40

Keep nerding

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

#813C40

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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