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Colour

#5778A8

  • #5778A8
  • Blue
  • Dark
  • Nearest: Steel blue

#5778A8 is a blue with RGB values 87, 120, 168 and HSL 216°, 32%, 50%. 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

#5778A8#5778A8
HEX#5778A8
RGBrgb(87, 120, 168)
RGB (0–1)0.3412, 0.4706, 0.6588
RGB percentages34.1%, 47.1%, 65.9%
HSLhsl(215.6, 31.8%, 50%)
HSV / HSBhsv(215.6, 48.2%, 65.9%)
CMYK48.2%, 28.6%, 0%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,732,520
CSS custom property--colour: #5778A8;

Brightness & contrast

Relative luminance0.18286WCAG 2.x, 0 is black and 1 is white
Perceived brightness118 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.66:1
Contrast with white4.51:1WCAG normal text: AA
Contrast with black4.66:1WCAG normal text: AA
Greyscale equivalent#747474
Inverted#A88757

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#667BAAno red cones; affects about 1% of men; ΔE 3.8 from the original
Deuteranopia#5C73A7no green cones; the most common form, about 1% of men; ΔE 4.3 from the original
Tritanopia#358389no blue cones; rare, and affects men and women equally; ΔE 30.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.51:1WCAG large text: AAA
Contrast with black, large text4.66:1WCAG large text: AAA

Named colours

Steel blue · ΔE 7.1Slate grey · ΔE 19.4Light slate grey · ΔE 19.6Cornflower blue · ΔE 24.6Gray · ΔE 29.6Dim grey · ΔE 29.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 7.06, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A88757
Analogous#57A1A8, #5F57A8
Triadic#A85778, #78A857
Split complementary#A85E57, #A1A857
Tetradic#A857A1, #A88757, #57A85F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DDE4EE
Lighter +30%#BCC9DC
Lighter +20%#9AAECB
Lighter +10%#7993B9
Darker −10%#466086
Darker −20%#344865
Darker −30%#233043
Darker −40%#111822
More saturated +25%#3772C8
Less saturated −25%#777E88

Channel breakdown

R87
G120
B168
Red87 (34.1%)
Green120 (47.1%)
Blue168 (65.9%)
Hue215.56°
Saturation (HSL)31.76%
Lightness50%
Dominant channelBlue
Hex per channelR 57 · G 78 · B A8

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Every value on this page was computed from “5778a8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.