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Recognised as Colour

#5478B7

  • #5478B7
  • Blue
  • Dark
  • Nearest: Steel blue

#5478B7 is a blue with RGB values 84, 120, 183 and HSL 218°, 41%, 52%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#5478B7#5478B7
HEX#5478B7
RGBrgb(84, 120, 183)
RGB (0–1)0.3294, 0.4706, 0.7176
RGB percentages32.9%, 47.1%, 71.8%
HSLhsl(218.2, 40.7%, 52.4%)
HSV / HSBhsv(218.2, 54.1%, 71.8%)
CMYK54.1%, 34.4%, 0%, 28.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,535,927
CSS custom property--colour: #5478B7;

Brightness & contrast

Relative luminance0.18737WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.9 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#AB8748

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5F7DBAno red cones; affects about 1% of men; ΔE 2.8 from the original
Deuteranopia#5374B6no green cones; the most common form, about 1% of men; ΔE 2.6 from the original
Tritanopia#1D868Fno blue cones; rare, and affects men and women equally; ΔE 39.1 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 11.3Cornflower blue · ΔE 17.1Light slate grey · ΔE 27.8Slate grey · ΔE 27.9Dodgerblue · ΔE 28Dark slateblue · ΔE 28.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 11.27, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B79354
Analogous#54A9B7, #6254B7
Triadic#B75478, #78B754
Split complementary#B76254, #AAB754
Tetradic#B754A9, #B79354, #54B762

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E4E9F3
Lighter +30%#C0CDE4
Lighter +20%#9CB1D5
Lighter +10%#7894C6
Darker −10%#406098
Darker −20%#314974
Darker −30%#223350
Darker −40%#131C2C
More saturated +25%#3670D5
Less saturated −25%#728099

Channel breakdown

R84
G120
B183
Red84 (32.9%)
Green120 (47.1%)
Blue183 (71.8%)
Hue218.18°
Saturation (HSL)40.74%
Lightness52.35%
Dominant channelBlue
Hex per channelR 54 · G 78 · B B7

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Every value on this page was computed from “5478b7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.