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Colour

#5757DE

  • #5757DE
  • Blue
  • Dark
  • Nearest: Medium slateblue

#5757DE is a blue with RGB values 87, 87, 222 and HSL 240°, 67%, 61%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#5757DE#5757DE
HEX#5757DE
RGBrgb(87, 87, 222)
RGB (0–1)0.3412, 0.3412, 0.8706
RGB percentages34.1%, 34.1%, 87.1%
HSLhsl(240, 67.2%, 60.6%)
HSV / HSBhsv(240, 60.8%, 87.1%)
CMYK60.8%, 60.8%, 0%, 12.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,724,126
CSS custom property--colour: #5757DE;

Brightness & contrast

Relative luminance0.14117WCAG 2.x, 0 is black and 1 is white
Perceived brightness111 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.49:1
Contrast with white5.49:1WCAG normal text: AA
Contrast with black3.82:1WCAG normal text: Fail
Greyscale equivalent#616161
Inverted#A8A821

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#006FE2no red cones; affects about 1% of men; ΔE 22 from the original
Deuteranopia#0063DBno green cones; the most common form, about 1% of men; ΔE 16.5 from the original
Tritanopia#007892no blue cones; rare, and affects men and women equally; ΔE 74.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.49:1WCAG large text: AAA
Contrast with black, large text3.82:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 8.7Slate blue · ΔE 11.9Royal blue · ΔE 14.3Medium purple · ΔE 21.9Rebecca purple · ΔE 25Dark orchid · ΔE 27.1
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 8.71, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DEDE57
Analogous#579BDE, #9B57DE
Triadic#DE5757, #57DE57
Split complementary#DE9B57, #9BDE57
Tetradic#DE579B, #DEDE57, #57DE9B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D7D7F7
Lighter +20%#ACACEF
Lighter +10%#8282E6
Darker −10%#2C2CD6
Darker −20%#2222AD
Darker −30%#1A1A82
Darker −40%#111158
More saturated +25%#3E3EF7
Less saturated −25%#7070C5

Channel breakdown

R87
G87
B222
Red87 (34.1%)
Green87 (34.1%)
Blue222 (87.1%)
Hue240°
Saturation (HSL)67.16%
Lightness60.59%
Dominant channelBlue
Hex per channelR 57 · G 57 · B DE

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Every value on this page was computed from “5757de” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.