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Recognised as Colour

#552F28

  • #552F28
  • Red
  • Dark
  • Nearest: Dim grey

#552F28 is a red with RGB values 85, 47, 40 and HSL 9°, 36%, 25%. It is a dark colour, so white text on it reaches 11.5:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#552F28#552F28
HEX#552F28
RGBrgb(85, 47, 40)
RGB (0–1)0.3333, 0.1843, 0.1569
RGB percentages33.3%, 18.4%, 15.7%
HSLhsl(9.3, 36%, 24.5%)
HSV / HSBhsv(9.3, 52.9%, 33.3%)
CMYK0%, 44.7%, 52.9%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,582,632
CSS custom property--colour: #552F28;

Brightness & contrast

Relative luminance0.04118WCAG 2.x, 0 is black and 1 is white
Perceived brightness60.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.52:1
Contrast with white11.52:1WCAG normal text: AAA
Contrast with black1.82:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#AAD0D7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#383427no red cones; affects about 1% of men; ΔE 17.7 from the original
Deuteranopia#413C27no green cones; the most common form, about 1% of men; ΔE 18.3 from the original
Tritanopia#5C292Dno blue cones; rare, and affects men and women equally; ΔE 8.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.52:1WCAG large text: AAA
Contrast with black, large text1.82:1WCAG large text: Fail

Named colours

Dim grey · ΔE 28.8Black · ΔE 31.5Dark slate grey · ΔE 33.1Sienna · ΔE 33.4Saddle brown · ΔE 33.5Gray · ΔE 35.9
Nearest named CSS colourDim grey (#696969)ΔE 28.81, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#284E55
Analogous#552838, #554628
Triadic#28552F, #2F2855
Split complementary#285546, #283755
Tetradic#375528, #284E55, #452855

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C58E84
Lighter +30%#B56E61
Lighter +20%#9A5549
Lighter +10%#784238
Darker −10%#321C18
Darker −20%#100907
Darker −30%#000000
Darker −40%#000000
More saturated +25%#652418
Less saturated −25%#453A38

Channel breakdown

R85
G47
B40
Red85 (33.3%)
Green47 (18.4%)
Blue40 (15.7%)
Hue9.33°
Saturation (HSL)36%
Lightness24.51%
Dominant channelRed
Hex per channelR 55 · G 2F · B 28

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Every value on this page was computed from “552f28” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.