Recognised as Colour

#A3163B

#A3163B
Red
Dark
Nearest: Brown

#A3163B is a red with RGB values 163, 22, 59 and HSL 344°, 76%, 36%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#A3163B#A3163B

HEX#A3163B

RGBrgb(163, 22, 59)

RGB (0–1)0.6392, 0.0863, 0.2314

RGB percentages63.9%, 8.6%, 23.1%

HSLhsl(344.3, 76.2%, 36.3%)

HSV / HSBhsv(344.3, 86.5%, 63.9%)

CMYK0%, 86.5%, 63.8%, 36.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,688,059

CSS custom property--colour: #A3163B;

Brightness & contrast

Relative luminance0.08676WCAG 2.x, 0 is black and 1 is white

Perceived brightness92.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.68:1

Contrast with white7.68:1WCAG normal text: AAA

Contrast with black2.74:1WCAG normal text: Fail

Greyscale equivalent#373737

Inverted#5CE9C4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#42413Bno red cones; affects about 1% of men; ΔE 58.7 from the original

Deuteranopia#655D37no green cones; the most common form, about 1% of men; ΔE 59 from the original

Tritanopia#B30027no blue cones; rare, and affects men and women equally; ΔE 17.2 from the original

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

Contrast with white, large text7.68:1WCAG large text: AAA

Contrast with black, large text2.74:1WCAG large text: Fail

Named colours

Brown · ΔE 14.9 Firebrick · ΔE 20.9 Indian red · ΔE 21.7 Maroon · ΔE 24.4 Crimson · ΔE 25.3 Dark red · ΔE 25.7

Nearest named CSS colourBrown (#A52A2A)ΔE 14.89, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#16A37E

Analogous#A31681, #A33716

Triadic#3BA316, #163BA3

Split complementary#16A337, #1681A3

Tetradic#82A316, #16A37E, #3816A3

Tints, shades & saturation

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

Lighter +40%#F194AD

Lighter +30%#EB678A

Lighter +20%#E43B67

Lighter +10%#D01C4B

Darker −10%#76102B

Darker −20%#490A1A

Darker −30%#1C040A

Darker −40%#000000

More saturated +25%#B90031

Less saturated −25%#8C2D46

Channel breakdown

R163

G22

B59

Red163 (63.9%)

Green22 (8.6%)

Blue59 (23.1%)

Hue344.26°

Saturation (HSL)76.22%

Lightness36.27%

Dominant channelRed

Hex per channelR A3 · G 16 · B 3B

Keep nerding

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

#A3163B

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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