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Recognised as Colour

#5582B7

  • #5582B7
  • Blue
  • Dark
  • Nearest: Steel blue

#5582B7 is a blue with RGB values 85, 130, 183 and HSL 212°, 40%, 53%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#5582B7#5582B7
HEX#5582B7
RGBrgb(85, 130, 183)
RGB (0–1)0.3333, 0.5098, 0.7176
RGB percentages33.3%, 51%, 71.8%
HSLhsl(212.4, 40.5%, 52.5%)
HSV / HSBhsv(212.4, 53.6%, 71.8%)
CMYK53.6%, 29%, 0%, 28.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,604,023
CSS custom property--colour: #5582B7;

Brightness & contrast

Relative luminance0.21315WCAG 2.x, 0 is black and 1 is white
Perceived brightness126.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.26:1
Contrast with white3.99:1WCAG normal text: Fail
Contrast with black5.26:1WCAG normal text: AA
Greyscale equivalent#7C7C7C
Inverted#AA7D48

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6D85B9no red cones; affects about 1% of men; ΔE 6 from the original
Deuteranopia#607BB6no green cones; the most common form, about 1% of men; ΔE 6.8 from the original
Tritanopia#1D8E95no blue cones; rare, and affects men and women equally; ΔE 33.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.99:1WCAG large text: AA
Contrast with black, large text5.26:1WCAG large text: AAA

Named colours

Steel blue · ΔE 4.2Cornflower blue · ΔE 21Light slate grey · ΔE 21.8Slate grey · ΔE 22.1Deep skyblue · ΔE 28Light skyblue · ΔE 28.9
Nearest named CSS colourSteel blue (#4682B4)ΔE 4.25, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B78A55
Analogous#55B3B7, #5955B7
Triadic#B75582, #82B755
Split complementary#B75955, #B3B755
Tetradic#B755B3, #B78A55, #55B759

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E4EBF4
Lighter +30%#C0D1E5
Lighter +20%#9DB7D5
Lighter +10%#799CC6
Darker −10%#416998
Darker −20%#315075
Darker −30%#223851
Darker −40%#131F2D
More saturated +25%#3780D5
Less saturated −25%#738499

Channel breakdown

R85
G130
B183
Red85 (33.3%)
Green130 (51%)
Blue183 (71.8%)
Hue212.45°
Saturation (HSL)40.5%
Lightness52.55%
Dominant channelBlue
Hex per channelR 55 · G 82 · B B7

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Every value on this page was computed from “5582b7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.