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Recognised as Colour

#5664DB

  • #5664DB
  • Blue
  • Dark
  • Nearest: Royal blue

#5664DB is a blue with RGB values 86, 100, 219 and HSL 234°, 65%, 60%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#5664DB#5664DB
HEX#5664DB
RGBrgb(86, 100, 219)
RGB (0–1)0.3373, 0.3922, 0.8588
RGB percentages33.7%, 39.2%, 85.9%
HSLhsl(233.7, 64.9%, 59.8%)
HSV / HSBhsv(233.7, 60.7%, 85.9%)
CMYK60.7%, 54.3%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,661,915
CSS custom property--colour: #5664DB;

Brightness & contrast

Relative luminance0.16207WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.95:1
Contrast with white4.95:1WCAG normal text: AA
Contrast with black4.24:1WCAG normal text: Fail
Greyscale equivalent#6A6A6A
Inverted#A99B24

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0A76DFno red cones; affects about 1% of men; ΔE 17.9 from the original
Deuteranopia#006AD9no green cones; the most common form, about 1% of men; ΔE 12.7 from the original
Tritanopia#008096no blue cones; rare, and affects men and women equally; ΔE 67.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.95:1WCAG large text: AAA
Contrast with black, large text4.24:1WCAG large text: AA

Named colours

Royal blue · ΔE 5Slate blue · ΔE 7.7Medium slateblue · ΔE 11.9Medium purple · ΔE 16.1Dodgerblue · ΔE 23.9Rebecca purple · ΔE 24.5
Nearest named CSS colourRoyal blue (#4169E1)ΔE 4.97, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DBCD56
Analogous#56A6DB, #8B56DB
Triadic#DB5664, #64DB56
Split complementary#DB8B56, #A6DB56
Tetradic#DB56A6, #DBCD56, #56DB8B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FEFEFF
Lighter +30%#D4D8F6
Lighter +20%#AAB1ED
Lighter +10%#808BE4
Darker −10%#2D3ED1
Darker −20%#2432A7
Darker −30%#1B257D
Darker −40%#121953
More saturated +25%#3C50F5
Less saturated −25%#7078C1

Channel breakdown

R86
G100
B219
Red86 (33.7%)
Green100 (39.2%)
Blue219 (85.9%)
Hue233.68°
Saturation (HSL)64.88%
Lightness59.8%
Dominant channelBlue
Hex per channelR 56 · G 64 · B DB

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Every value on this page was computed from “5664db” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.