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Recognised as Colour

#5257AE

  • #5257AE
  • Blue
  • Dark
  • Nearest: Dark slateblue

#5257AE is a blue with RGB values 82, 87, 174 and HSL 237°, 36%, 50%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#5257AE#5257AE
HEX#5257AE
RGBrgb(82, 87, 174)
RGB (0–1)0.3216, 0.3412, 0.6824
RGB percentages32.2%, 34.1%, 68.2%
HSLhsl(236.7, 36.2%, 50.2%)
HSV / HSBhsv(236.7, 52.9%, 68.2%)
CMYK52.9%, 50%, 0%, 31.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,396,398
CSS custom property--colour: #5257AE;

Brightness & contrast

Relative luminance0.11666WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.3:1
Contrast with white6.3:1WCAG normal text: AA
Contrast with black3.33:1WCAG normal text: Fail
Greyscale equivalent#5C5C5C
Inverted#ADA851

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2D64B1no red cones; affects about 1% of men; ΔE 14.1 from the original
Deuteranopia#235CACno green cones; the most common form, about 1% of men; ΔE 12 from the original
Tritanopia#2A6A7Ano blue cones; rare, and affects men and women equally; ΔE 49.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.3:1WCAG large text: AAA
Contrast with black, large text3.33:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 11.6Slate blue · ΔE 17.3Royal blue · ΔE 19.6Medium purple · ΔE 20.1Rebecca purple · ΔE 21.3Cornflower blue · ΔE 25.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.56, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AEA952
Analogous#5285AE, #7B52AE
Triadic#AE5257, #57AE52
Split complementary#AE7B52, #85AE52
Tetradic#AE5285, #AEA952, #52AE7B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DDDEEF
Lighter +30%#BABCDF
Lighter +20%#979ACF
Lighter +10%#7579BE
Darker −10%#41458C
Darker −20%#313469
Darker −30%#212346
Darker −40%#111223
More saturated +25%#323BCE
Less saturated −25%#72738E

Channel breakdown

R82
G87
B174
Red82 (32.2%)
Green87 (34.1%)
Blue174 (68.2%)
Hue236.74°
Saturation (HSL)36.22%
Lightness50.2%
Dominant channelBlue
Hex per channelR 52 · G 57 · B AE

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Every value on this page was computed from “5257ae” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.