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Recognised as Colour

#57529C

  • #57529C
  • Blue
  • Dark
  • Nearest: Dark slateblue

#57529C is a blue with RGB values 87, 82, 156 and HSL 244°, 31%, 47%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#57529C#57529C
HEX#57529C
RGBrgb(87, 82, 156)
RGB (0–1)0.3412, 0.3216, 0.6118
RGB percentages34.1%, 32.2%, 61.2%
HSLhsl(244.1, 31.1%, 46.7%)
HSV / HSBhsv(244.1, 47.4%, 61.2%)
CMYK44.2%, 47.4%, 0%, 38.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,722,780
CSS custom property--colour: #57529C;

Brightness & contrast

Relative luminance0.10461WCAG 2.x, 0 is black and 1 is white
Perceived brightness94.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.79:1
Contrast with white6.79:1WCAG normal text: AA
Contrast with black3.09:1WCAG normal text: Fail
Greyscale equivalent#585858
Inverted#A8AD63

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#355D9Fno red cones; affects about 1% of men; ΔE 13.6 from the original
Deuteranopia#32599Ano green cones; the most common form, about 1% of men; ΔE 13.4 from the original
Tritanopia#42616Fno blue cones; rare, and affects men and women equally; ΔE 40.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.79:1WCAG large text: AAA
Contrast with black, large text3.09:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 9.3Rebecca purple · ΔE 23.2Slate blue · ΔE 23.9Medium purple · ΔE 24.5Midnight blue · ΔE 26.8Royal blue · ΔE 27.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 9.25, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#979C52
Analogous#52729C, #7C529C
Triadic#9C5752, #529C57
Split complementary#9C7C52, #729C52
Tetradic#9C5272, #979C52, #529C7C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D4D2E8
Lighter +30%#B3B1D6
Lighter +20%#9390C4
Lighter +10%#736EB3
Darker −10%#44407B
Darker −20%#322F59
Darker −30%#1F1D38
Darker −40%#0C0C16
More saturated +25%#3D34BA
Less saturated −25%#71707E

Channel breakdown

R87
G82
B156
Red87 (34.1%)
Green82 (32.2%)
Blue156 (61.2%)
Hue244.05°
Saturation (HSL)31.09%
Lightness46.67%
Dominant channelBlue
Hex per channelR 57 · G 52 · B 9C

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Every value on this page was computed from “57529c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.