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Recognised as Colour

#5577BC

  • #5577BC
  • Blue
  • Dark
  • Nearest: Steel blue

#5577BC is a blue with RGB values 85, 119, 188 and HSL 220°, 43%, 54%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#5577BC#5577BC
HEX#5577BC
RGBrgb(85, 119, 188)
RGB (0–1)0.3333, 0.4667, 0.7373
RGB percentages33.3%, 46.7%, 73.7%
HSLhsl(220.2, 43.5%, 53.5%)
HSV / HSBhsv(220.2, 54.8%, 73.7%)
CMYK54.8%, 36.7%, 0%, 26.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,601,212
CSS custom property--colour: #5577BC;

Brightness & contrast

Relative luminance0.18756WCAG 2.x, 0 is black and 1 is white
Perceived brightness120.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.75:1
Contrast with white4.42:1WCAG normal text: Fail
Contrast with black4.75:1WCAG normal text: AA
Greyscale equivalent#757575
Inverted#AA8843

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5B7DBFno red cones; affects about 1% of men; ΔE 3.1 from the original
Deuteranopia#4F74BBno green cones; the most common form, about 1% of men; ΔE 1.8 from the original
Tritanopia#198690no blue cones; rare, and affects men and women equally; ΔE 42.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.42:1WCAG large text: AA
Contrast with black, large text4.75:1WCAG large text: AAA

Named colours

Steel blue · ΔE 14.8Cornflower blue · ΔE 14.9Dodgerblue · ΔE 25.1Dark slateblue · ΔE 26.5Medium purple · ΔE 30.6Royal blue · ΔE 31.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 14.75, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BC9A55
Analogous#55ABBC, #6655BC
Triadic#BC5577, #77BC55
Split complementary#BC6655, #ABBC55
Tetradic#BC55AB, #BC9A55, #55BC66

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E7ECF6
Lighter +30%#C3CFE7
Lighter +20%#9EB2D9
Lighter +10%#7A94CA
Darker −10%#3F5F9F
Darker −20%#30497B
Darker −30%#223356
Darker −40%#141D31
More saturated +25%#376DDA
Less saturated −25%#73819E

Channel breakdown

R85
G119
B188
Red85 (33.3%)
Green119 (46.7%)
Blue188 (73.7%)
Hue220.19°
Saturation (HSL)43.46%
Lightness53.53%
Dominant channelBlue
Hex per channelR 55 · G 77 · B BC

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Every value on this page was computed from “5577bc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.