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Colour

#528BD2

  • #528BD2
  • Blue
  • Dark
  • Nearest: Cornflower blue

#528BD2 is a blue with RGB values 82, 139, 210 and HSL 213°, 59%, 57%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#528BD2#528BD2
HEX#528BD2
RGBrgb(82, 139, 210)
RGB (0–1)0.3216, 0.5451, 0.8235
RGB percentages32.2%, 54.5%, 82.4%
HSLhsl(213.3, 58.7%, 57.3%)
HSV / HSBhsv(213.3, 61%, 82.4%)
CMYK61%, 33.8%, 0%, 17.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,409,746
CSS custom property--colour: #528BD2;

Brightness & contrast

Relative luminance0.24912WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.98:1
Contrast with white3.51:1WCAG normal text: Fail
Contrast with black5.98:1WCAG normal text: AA
Greyscale equivalent#848484
Inverted#AD742D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6D8FD5no red cones; affects about 1% of men; ΔE 5.7 from the original
Deuteranopia#5C83D1no green cones; the most common form, about 1% of men; ΔE 7 from the original
Tritanopia#009BA5no blue cones; rare, and affects men and women equally; ΔE 42.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.51:1WCAG large text: AA
Contrast with black, large text5.98:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 10.8Steel blue · ΔE 13Dodgerblue · ΔE 22.5Deep skyblue · ΔE 25.8Light skyblue · ΔE 29.9Light slate grey · ΔE 31.5
Nearest named CSS colourCornflower blue (#6495ED)ΔE 10.82, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D29952
Analogous#52CBD2, #5952D2
Triadic#D2528B, #8BD252
Split complementary#D25952, #CBD252
Tetradic#D252CB, #D29952, #52D259

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F4F8FC
Lighter +30%#CBDCF2
Lighter +20%#A3C1E7
Lighter +10%#7AA6DD
Darker −10%#3271BF
Darker −20%#275997
Darker −30%#1D416E
Darker −40%#122946
More saturated +25%#3788ED
Less saturated −25%#6D8EB7

Channel breakdown

R82
G139
B210
Red82 (32.2%)
Green139 (54.5%)
Blue210 (82.4%)
Hue213.28°
Saturation (HSL)58.72%
Lightness57.25%
Dominant channelBlue
Hex per channelR 52 · G 8B · B D2

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Every value on this page was computed from “528bd2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.