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Recognised as Colour

#52B5F9

  • #52B5F9
  • Blue
  • Dark
  • Nearest: Deep skyblue

#52B5F9 is a blue with RGB values 82, 181, 249 and HSL 204°, 93%, 65%. It is a dark colour, so black text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#52B5F9#52B5F9
HEX#52B5F9
RGBrgb(82, 181, 249)
RGB (0–1)0.3216, 0.7098, 0.9765
RGB percentages32.2%, 71%, 97.6%
HSLhsl(204.4, 93.3%, 64.9%)
HSV / HSBhsv(204.4, 67.1%, 97.6%)
CMYK67.1%, 27.3%, 0%, 2.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,420,537
CSS custom property--colour: #52B5F9;

Brightness & contrast

Relative luminance0.41681WCAG 2.x, 0 is black and 1 is white
Perceived brightness168.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.34:1
Contrast with white2.25:1WCAG normal text: Fail
Contrast with black9.34:1WCAG normal text: AAA
Greyscale equivalent#A5A5A5
Inverted#AD4A06

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#96B6FCno red cones; affects about 1% of men; ΔE 15.4 from the original
Deuteranopia#7FA6F8no green cones; the most common form, about 1% of men; ΔE 17.1 from the original
Tritanopia#00C6CDno blue cones; rare, and affects men and women equally; ΔE 40.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.25:1WCAG large text: Fail
Contrast with black, large text9.34:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 9.8Light skyblue · ΔE 16.6Cornflower blue · ΔE 20.7Steel blue · ΔE 21.1Sky blue · ΔE 23.6Light steelblue · ΔE 28.9
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 9.77, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F99652
Analogous#52F9EA, #5261F9
Triadic#F952B5, #B5F952
Split complementary#F95262, #F9EA52
Tetradic#EA52F9, #F99652, #61F952

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E6F4FE
Lighter +20%#B5DFFC
Lighter +10%#83CAFB
Darker −10%#21A0F7
Darker −20%#0886DD
Darker −30%#0668AC
Darker −40%#044A7B
More saturated +25%#4CB6FF
Less saturated −25%#68B1E3

Channel breakdown

R82
G181
B249
Red82 (32.2%)
Green181 (71%)
Blue249 (97.6%)
Hue204.43°
Saturation (HSL)93.3%
Lightness64.9%
Dominant channelBlue
Hex per channelR 52 · G B5 · B F9

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Every value on this page was computed from “52b5f9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.