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Colour

#528ADE

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

#528ADE is a blue with RGB values 82, 138, 222 and HSL 216°, 68%, 60%. 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

#528ADE#528ADE
HEX#528ADE
RGBrgb(82, 138, 222)
RGB (0–1)0.3216, 0.5412, 0.8706
RGB percentages32.2%, 54.1%, 87.1%
HSLhsl(216, 68%, 59.6%)
HSV / HSBhsv(216, 63.1%, 87.1%)
CMYK63.1%, 37.8%, 0%, 12.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,409,502
CSS custom property--colour: #528ADE;

Brightness & contrast

Relative luminance0.25245WCAG 2.x, 0 is black and 1 is white
Perceived brightness137.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.05:1
Contrast with white3.47:1WCAG normal text: Fail
Contrast with black6.05:1WCAG normal text: AA
Greyscale equivalent#848484
Inverted#AD7521

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6591E1no red cones; affects about 1% of men; ΔE 4.3 from the original
Deuteranopia#5184DCno green cones; the most common form, about 1% of men; ΔE 3.7 from the original
Tritanopia#009DA9no blue cones; rare, and affects men and women equally; ΔE 49.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.47:1WCAG large text: AA
Contrast with black, large text6.05:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 5Dodgerblue · ΔE 15.4Steel blue · ΔE 20.5Royal blue · ΔE 27Medium purple · ΔE 29.4Deep skyblue · ΔE 30
Nearest named CSS colourCornflower blue (#6495ED)ΔE 5.05, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DEA652
Analogous#52D0DE, #6052DE
Triadic#DE528A, #8ADE52
Split complementary#DE6052, #D0DE52
Tetradic#DE52D0, #DEA652, #52DE60

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FDFEFF
Lighter +30%#D2E1F7
Lighter +20%#A8C4EE
Lighter +10%#7DA7E6
Darker −10%#296DD4
Darker −20%#2057AA
Darker −30%#18417F
Darker −40%#102B54
More saturated +25%#3885F8
Less saturated −25%#6C8FC4

Channel breakdown

R82
G138
B222
Red82 (32.2%)
Green138 (54.1%)
Blue222 (87.1%)
Hue216°
Saturation (HSL)67.96%
Lightness59.61%
Dominant channelBlue
Hex per channelR 52 · G 8A · B DE

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