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Colour

#576BF4

  • #576BF4
  • Blue
  • Dark
  • Nearest: Medium slateblue

#576BF4 is a blue with RGB values 87, 107, 244 and HSL 232°, 88%, 65%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#576BF4#576BF4
HEX#576BF4
RGBrgb(87, 107, 244)
RGB (0–1)0.3412, 0.4196, 0.9569
RGB percentages34.1%, 42%, 95.7%
HSLhsl(232.4, 87.7%, 64.9%)
HSV / HSBhsv(232.4, 64.3%, 95.7%)
CMYK64.3%, 56.1%, 0%, 4.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,729,268
CSS custom property--colour: #576BF4;

Brightness & contrast

Relative luminance0.19073WCAG 2.x, 0 is black and 1 is white
Perceived brightness125.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.81:1
Contrast with white4.36:1WCAG normal text: Fail
Contrast with black4.81:1WCAG normal text: AA
Greyscale equivalent#717171
Inverted#A8940B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0080F9no red cones; affects about 1% of men; ΔE 18.8 from the original
Deuteranopia#0072F1no green cones; the most common form, about 1% of men; ΔE 12.6 from the original
Tritanopia#008CA5no blue cones; rare, and affects men and women equally; ΔE 75.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.36:1WCAG large text: AA
Contrast with black, large text4.81:1WCAG large text: AAA

Named colours

Medium slateblue · ΔE 8.6Royal blue · ΔE 10.7Slate blue · ΔE 14.5Medium purple · ΔE 21.5Dodgerblue · ΔE 27.3Rebecca purple · ΔE 31
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 8.65, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F4E057
Analogous#57BAF4, #9257F4
Triadic#F4576B, #6BF457
Split complementary#F49157, #BAF457
Tetradic#F457BA, #F4E057, #57F491

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E7EAFD
Lighter +20%#B7BFFA
Lighter +10%#8795F7
Darker −10%#2741F1
Darker −20%#0E28D7
Darker −30%#0B1FA7
Darker −40%#081677
More saturated +25%#4C63FF
Less saturated −25%#6D7CDE

Channel breakdown

R87
G107
B244
Red87 (34.1%)
Green107 (42%)
Blue244 (95.7%)
Hue232.36°
Saturation (HSL)87.71%
Lightness64.9%
Dominant channelBlue
Hex per channelR 57 · G 6B · B F4

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Every value on this page was computed from “576bf4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.