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Colour

#550C3A

  • #550C3A
  • Magenta
  • Dark
  • Nearest: Dark slateblue

#550C3A is a magenta with RGB values 85, 12, 58 and HSL 322°, 75%, 19%. It is a dark colour, so white text on it reaches 14:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#550C3A#550C3A
HEX#550C3A
RGBrgb(85, 12, 58)
RGB (0–1)0.3333, 0.0471, 0.2275
RGB percentages33.3%, 4.7%, 22.7%
HSLhsl(322.2, 75.3%, 19%)
HSV / HSBhsv(322.2, 85.9%, 33.3%)
CMYK0%, 85.9%, 31.8%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,573,690
CSS custom property--colour: #550C3A;

Brightness & contrast

Relative luminance0.025WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14:1
Contrast with white14:1WCAG normal text: AAA
Contrast with black1.5:1WCAG normal text: Fail
Greyscale equivalent#1F1F1F
Inverted#AAF3C5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#18243Bno red cones; affects about 1% of men; ΔE 34.6 from the original
Deuteranopia#2E3038no green cones; the most common form, about 1% of men; ΔE 35.7 from the original
Tritanopia#5C0822no blue cones; rare, and affects men and women equally; ΔE 17.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14:1WCAG large text: AAA
Contrast with black, large text1.5:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 36.8Purple · ΔE 37.1Midnight blue · ΔE 40.6Rebecca purple · ΔE 41.2Black · ΔE 41.8Dark magenta · ΔE 41.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 36.76, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0C5527
Analogous#4B0C55, #550C16
Triadic#3A550C, #0C3A55
Split complementary#16550C, #0C554B
Tetradic#554B0C, #0C5527, #0C1655

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E548AB
Lighter +30%#DB1F95
Lighter +20%#AE1977
Lighter +10%#821258
Darker −10%#28061C
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#61003D
Less saturated −25%#491837

Channel breakdown

R85
G12
B58
Red85 (33.3%)
Green12 (4.7%)
Blue58 (22.7%)
Hue322.19°
Saturation (HSL)75.26%
Lightness19.02%
Dominant channelRed
Hex per channelR 55 · G 0C · B 3A

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Every value on this page was computed from “550c3a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.