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Recognised as Colour

#7A3733

  • #7A3733
  • Red
  • Dark
  • Nearest: Sienna

#7A3733 is a red with RGB values 122, 55, 51 and HSL 3°, 41%, 34%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Sienna.

Colour values

#7A3733#7A3733
HEX#7A3733
RGBrgb(122, 55, 51)
RGB (0–1)0.4784, 0.2157, 0.2
RGB percentages47.8%, 21.6%, 20%
HSLhsl(3.4, 41%, 33.9%)
HSV / HSBhsv(3.4, 58.2%, 47.8%)
CMYK0%, 54.9%, 58.2%, 52.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,009,523
CSS custom property--colour: #7A3733;

Brightness & contrast

Relative luminance0.07109WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.67:1
Contrast with white8.67:1WCAG normal text: AAA
Contrast with black2.42:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#85C8CC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#474332no red cones; affects about 1% of men; ΔE 31.1 from the original
Deuteranopia#585132no green cones; the most common form, about 1% of men; ΔE 31.3 from the original
Tritanopia#852C36no blue cones; rare, and affects men and women equally; ΔE 10.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.67:1WCAG large text: AAA
Contrast with black, large text2.42:1WCAG large text: Fail

Named colours

Sienna · ΔE 22.5Saddle brown · ΔE 25.2Brown · ΔE 25.7Indian red · ΔE 27.3Maroon · ΔE 29.6Dark red · ΔE 33.5
Nearest named CSS colourSienna (#A0522D)ΔE 22.46, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#33767A
Analogous#7A3353, #7A5B33
Triadic#337A37, #37337A
Split complementary#337A5A, #33537A
Tetradic#527A33, #33767A, #5B337A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D8A4A1
Lighter +30%#C9817D
Lighter +20%#BA5F59
Lighter +10%#9E4742
Darker −10%#562724
Darker −20%#321715
Darker −30%#0E0606
Darker −40%#000000
More saturated +25%#90241D
Less saturated −25%#644A49

Channel breakdown

R122
G55
B51
Red122 (47.8%)
Green55 (21.6%)
Blue51 (20%)
Hue3.38°
Saturation (HSL)41.04%
Lightness33.92%
Dominant channelRed
Hex per channelR 7A · G 37 · B 33

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Every value on this page was computed from “7a3733” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.