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Recognised as Colour

#550F27

  • #550F27
  • Red
  • Dark
  • Nearest: Brown

#550F27 is a red with RGB values 85, 15, 39 and HSL 339°, 70%, 20%. It is a dark colour, so white text on it reaches 14.2:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#550F27#550F27
HEX#550F27
RGBrgb(85, 15, 39)
RGB (0–1)0.3333, 0.0588, 0.1529
RGB percentages33.3%, 5.9%, 15.3%
HSLhsl(339.4, 70%, 19.6%)
HSV / HSBhsv(339.4, 82.4%, 33.3%)
CMYK0%, 82.4%, 54.1%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,574,439
CSS custom property--colour: #550F27;

Brightness & contrast

Relative luminance0.02419WCAG 2.x, 0 is black and 1 is white
Perceived brightness49.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.15:1
Contrast with white14.15:1WCAG normal text: AAA
Contrast with black1.48:1WCAG normal text: Fail
Greyscale equivalent#202020
Inverted#AAF0D8

Colour vision & accessibility

Protanopia#202228no red cones; affects about 1% of men; ΔE 33.9 from the original
Deuteranopia#333025no green cones; the most common form, about 1% of men; ΔE 34.5 from the original
Tritanopia#5D0119no blue cones; rare, and affects men and women equally; ΔE 11.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14.15:1WCAG large text: AAA
Contrast with black, large text1.48:1WCAG large text: Fail

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 37.25, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#0F553D
Analogous#550F4A, #551A0F
Triadic#27550F, #0F2755
Split complementary#0F551A, #0F4A55
Tetradic#4A550F, #0F553D, #1A0F55

Tints, shades & saturation

Lighter +40%#E05081
Lighter +30%#D72663
Lighter +20%#AC1E4F
Lighter +10%#80173B
Darker −10%#2A0713
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#620323
Less saturated −25%#491C2B

Channel breakdown

R85
G15
B39
Red85 (33.3%)
Green15 (5.9%)
Blue39 (15.3%)
Hue339.43°
Saturation (HSL)70%
Lightness19.61%
Dominant channelRed
Hex per channelR 55 · G 0F · B 27

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Every value on this page was computed from “550f27” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.