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Recognised as Colour

#5575B3

  • #5575B3
  • Blue
  • Dark
  • Nearest: Steel blue

#5575B3 is a blue with RGB values 85, 117, 179 and HSL 220°, 38%, 52%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#5575B3#5575B3
HEX#5575B3
RGBrgb(85, 117, 179)
RGB (0–1)0.3333, 0.4588, 0.702
RGB percentages33.3%, 45.9%, 70.2%
HSLhsl(219.6, 38.2%, 51.8%)
HSV / HSBhsv(219.6, 52.5%, 70.2%)
CMYK52.5%, 34.6%, 0%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,600,691
CSS custom property--colour: #5575B3;

Brightness & contrast

Relative luminance0.17909WCAG 2.x, 0 is black and 1 is white
Perceived brightness117.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.58:1
Contrast with white4.58:1WCAG normal text: AA
Contrast with black4.58:1WCAG normal text: AA
Greyscale equivalent#737373
Inverted#AA8A4C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5D7AB6no red cones; affects about 1% of men; ΔE 2.5 from the original
Deuteranopia#5271B2no green cones; the most common form, about 1% of men; ΔE 2.5 from the original
Tritanopia#26828Cno blue cones; rare, and affects men and women equally; ΔE 37.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.58:1WCAG large text: AAA
Contrast with black, large text4.58:1WCAG large text: AAA

Named colours

Steel blue · ΔE 11.9Cornflower blue · ΔE 18.2Slate grey · ΔE 27.5Dark slateblue · ΔE 27.5Light slate grey · ΔE 27.6Dodgerblue · ΔE 29
Nearest named CSS colourSteel blue (#4682B4)ΔE 11.87, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B39355
Analogous#55A4B3, #6455B3
Triadic#B35575, #75B355
Split complementary#B36455, #A4B355
Tetradic#B355A4, #B39355, #55B364

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E2E7F2
Lighter +30%#BFCBE2
Lighter +20%#9BAED3
Lighter +10%#7892C3
Darker −10%#425E93
Darker −20%#324770
Darker −30%#22314D
Darker −40%#131A29
More saturated +25%#366BD2
Less saturated −25%#747F94

Channel breakdown

R85
G117
B179
Red85 (33.3%)
Green117 (45.9%)
Blue179 (70.2%)
Hue219.57°
Saturation (HSL)38.21%
Lightness51.76%
Dominant channelBlue
Hex per channelR 55 · G 75 · B B3

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Every value on this page was computed from “5575b3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.