Recognised as Colour

#A3642A

#A3642A
Orange
Dark
Nearest: Sienna

#A3642A is a orange with RGB values 163, 100, 42 and HSL 29°, 59%, 40%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Sienna.

Colour values

#A3642A#A3642A

HEX#A3642A

RGBrgb(163, 100, 42)

RGB (0–1)0.6392, 0.3922, 0.1647

RGB percentages63.9%, 39.2%, 16.5%

HSLhsl(28.8, 59%, 40.2%)

HSV / HSBhsv(28.8, 74.2%, 63.9%)

CMYK0%, 38.7%, 74.2%, 36.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,708,010

CSS custom property--colour: #A3642A;

Brightness & contrast

Relative luminance0.17068WCAG 2.x, 0 is black and 1 is white

Perceived brightness118.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.76:1

Contrast with white4.76:1WCAG normal text: AA

Contrast with black4.41:1WCAG normal text: Fail

Greyscale equivalent#6D6D6D

Inverted#5C9BD5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#776A23no red cones; affects about 1% of men; ΔE 24.5 from the original

Deuteranopia#86782Ano green cones; the most common form, about 1% of men; ΔE 24.8 from the original

Tritanopia#B25658no blue cones; rare, and affects men and women equally; ΔE 30.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text4.76:1WCAG large text: AAA

Contrast with black, large text4.41:1WCAG large text: AA

Named colours

Sienna · ΔE 11.9 Saddle brown · ΔE 12.5 Peru · ΔE 14.6 Chocolate · ΔE 23.4 Dark goldenrod · ΔE 25.5 Sandy brown · ΔE 26.1

Nearest named CSS colourSienna (#A0522D)ΔE 11.93, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2A69A3

Analogous#A32A2C, #A3A02A

Triadic#2AA364, #642AA3

Split complementary#2AA3A0, #2A2DA3

Tetradic#2DA32A, #2A69A3, #A12AA3

Tints, shades & saturation

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

Lighter +40%#EACBAF

Lighter +30%#E0B186

Lighter +20%#D5975E

Lighter +10%#CB7D35

Darker −10%#7A4B20

Darker −20%#523215

Darker −30%#29190B

Darker −40%#010000

More saturated +25%#BD6310

Less saturated −25%#896544

Channel breakdown

R163

G100

B42

Red163 (63.9%)

Green100 (39.2%)

Blue42 (16.5%)

Hue28.76°

Saturation (HSL)59.02%

Lightness40.2%

Dominant channelRed

Hex per channelR A3 · G 64 · B 2A

Keep nerding

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

#A3642A

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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