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Recognised as Colour

#7566B5

  • #7566B5
  • Blue
  • Dark
  • Nearest: Dark slateblue

#7566B5 is a blue with RGB values 117, 102, 181 and HSL 251°, 35%, 55%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#7566B5#7566B5
HEX#7566B5
RGBrgb(117, 102, 181)
RGB (0–1)0.4588, 0.4, 0.7098
RGB percentages45.9%, 40%, 71%
HSLhsl(251.4, 34.8%, 55.5%)
HSV / HSBhsv(251.4, 43.6%, 71%)
CMYK35.4%, 43.6%, 0%, 29%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,694,005
CSS custom property--colour: #7566B5;

Brightness & contrast

Relative luminance0.16621WCAG 2.x, 0 is black and 1 is white
Perceived brightness118 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.86:1
Contrast with white4.86:1WCAG normal text: AA
Contrast with black4.32:1WCAG normal text: Fail
Greyscale equivalent#6F6F6F
Inverted#8A994A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4C73B8no red cones; affects about 1% of men; ΔE 17.1 from the original
Deuteranopia#4D70B3no green cones; the most common form, about 1% of men; ΔE 16.7 from the original
Tritanopia#657585no blue cones; rare, and affects men and women equally; ΔE 39.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.86:1WCAG large text: AAA
Contrast with black, large text4.32:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 17.1Medium purple · ΔE 17.4Slate blue · ΔE 21.3Cornflower blue · ΔE 22.8Rebecca purple · ΔE 24.7Royal blue · ΔE 25.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.15, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A6B566
Analogous#667FB5, #9C66B5
Triadic#B57566, #66B575
Split complementary#B59C66, #7FB566
Tetradic#B5667F, #A6B566, #66B59C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F1EFF8
Lighter +30%#D2CDE7
Lighter +20%#B3ABD6
Lighter +10%#9488C6
Darker −10%#5B4C9C
Darker −20%#473B7A
Darker −30%#332A58
Darker −40%#1F1A35
More saturated +25%#634AD1
Less saturated −25%#878299

Channel breakdown

R117
G102
B181
Red117 (45.9%)
Green102 (40%)
Blue181 (71%)
Hue251.39°
Saturation (HSL)34.8%
Lightness55.49%
Dominant channelBlue
Hex per channelR 75 · G 66 · B B5

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Every value on this page was computed from “7566b5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.