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Recognised as Colour

#552A31

  • #552A31
  • Red
  • Dark
  • Nearest: Dim grey

#552A31 is a red with RGB values 85, 42, 49 and HSL 350°, 34%, 25%. It is a dark colour, so white text on it reaches 11.9:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#552A31#552A31
HEX#552A31
RGBrgb(85, 42, 49)
RGB (0–1)0.3333, 0.1647, 0.1922
RGB percentages33.3%, 16.5%, 19.2%
HSLhsl(350.2, 33.9%, 24.9%)
HSV / HSBhsv(350.2, 50.6%, 33.3%)
CMYK0%, 50.6%, 42.4%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,581,361
CSS custom property--colour: #552A31;

Brightness & contrast

Relative luminance0.03809WCAG 2.x, 0 is black and 1 is white
Perceived brightness58.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.92:1
Contrast with white11.92:1WCAG normal text: AAA
Contrast with black1.76:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#AAD5CE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#323231no red cones; affects about 1% of men; ΔE 21.4 from the original
Deuteranopia#3D3A30no green cones; the most common form, about 1% of men; ΔE 21.6 from the original
Tritanopia#5C262Dno blue cones; rare, and affects men and women equally; ΔE 5.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.92:1WCAG large text: AAA
Contrast with black, large text1.76:1WCAG large text: Fail

Named colours

Dim grey · ΔE 30.1Black · ΔE 31.3Dark slate grey · ΔE 34.4Gray · ΔE 37.2Sienna · ΔE 38.4Saddle brown · ΔE 39.7
Nearest named CSS colourDim grey (#696969)ΔE 30.1, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2A554E
Analogous#552A47, #55392A
Triadic#31552A, #2A3155
Split complementary#2A5539, #2A4755
Tetradic#47552A, #2A554E, #382A55

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C48791
Lighter +30%#B36572
Lighter +20%#994C58
Lighter +10%#773B45
Darker −10%#33191D
Darker −20%#11080A
Darker −30%#000000
Darker −40%#000000
More saturated +25%#651A26
Less saturated −25%#453A3C

Channel breakdown

R85
G42
B49
Red85 (33.3%)
Green42 (16.5%)
Blue49 (19.2%)
Hue350.23°
Saturation (HSL)33.86%
Lightness24.9%
Dominant channelRed
Hex per channelR 55 · G 2A · B 31

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Every value on this page was computed from “552a31” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.