Colour

#83173C

#83173C
Red
Dark
Nearest: Brown

#83173C is a red with RGB values 131, 23, 60 and HSL 339°, 70%, 30%. It is a dark colour, so white text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#83173C#83173C

HEX#83173C

RGBrgb(131, 23, 60)

RGB (0–1)0.5137, 0.0902, 0.2353

RGB percentages51.4%, 9%, 23.5%

HSLhsl(339.4, 70.1%, 30.2%)

HSV / HSBhsv(339.4, 82.4%, 51.4%)

CMYK0%, 82.4%, 54.2%, 48.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,591,164

CSS custom property--colour: #83173C;

Brightness & contrast

Relative luminance0.05764WCAG 2.x, 0 is black and 1 is white

Perceived brightness76.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.75:1

Contrast with white9.75:1WCAG normal text: AAA

Contrast with black2.15:1WCAG normal text: Fail

Greyscale equivalent#313131

Inverted#7CE8C3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#34363Dno red cones; affects about 1% of men; ΔE 47.5 from the original

Deuteranopia#504C39no green cones; the most common form, about 1% of men; ΔE 48.9 from the original

Tritanopia#8F0027no blue cones; rare, and affects men and women equally; ΔE 16.6 from the original

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

Contrast with white, large text9.75:1WCAG large text: AAA

Contrast with black, large text2.15:1WCAG large text: Fail

Named colours

Brown · ΔE 25.8 Indian red · ΔE 29.2 Maroon · ΔE 31.8 Pale violetred · ΔE 32.3 Firebrick · ΔE 34.2 Dark red · ΔE 35.1

Nearest named CSS colourBrown (#A52A2A)ΔE 25.81, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#17835E

Analogous#831772, #832817

Triadic#3C8317, #173C83

Split complementary#178328, #177283

Tetradic#728317, #17835E, #281783

Tints, shades & saturation

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

Lighter +40%#E87EA2

Lighter +30%#E15283

Lighter +20%#D92764

Lighter +10%#AE1F50

Darker −10%#580F28

Darker −20%#2C0814

Darker −30%#010000

Darker −40%#000000

More saturated +25%#960436

Less saturated −25%#702A42

Channel breakdown

R131

G23

B60

Red131 (51.4%)

Green23 (9%)

Blue60 (23.5%)

Hue339.44°

Saturation (HSL)70.13%

Lightness30.2%

Dominant channelRed

Hex per channelR 83 · G 17 · B 3C

Keep nerding

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#83173C

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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