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Recognised as Colour

#63569F

  • #63569F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#63569F is a blue with RGB values 99, 86, 159 and HSL 251°, 30%, 48%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#63569F#63569F
HEX#63569F
RGBrgb(99, 86, 159)
RGB (0–1)0.3882, 0.3373, 0.6235
RGB percentages38.8%, 33.7%, 62.4%
HSLhsl(250.7, 29.8%, 48%)
HSV / HSBhsv(250.7, 45.9%, 62.4%)
CMYK37.7%, 45.9%, 0%, 37.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,510,239
CSS custom property--colour: #63569F;

Brightness & contrast

Relative luminance0.11811WCAG 2.x, 0 is black and 1 is white
Perceived brightness100.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.25:1
Contrast with white6.25:1WCAG normal text: AA
Contrast with black3.36:1WCAG normal text: Fail
Greyscale equivalent#5E5E5E
Inverted#9CA960

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3D62A2no red cones; affects about 1% of men; ΔE 15.8 from the original
Deuteranopia#3D5F9Dno green cones; the most common form, about 1% of men; ΔE 15.6 from the original
Tritanopia#536473no blue cones; rare, and affects men and women equally; ΔE 37.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.25:1WCAG large text: AAA
Contrast with black, large text3.36:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 11.3Medium purple · ΔE 23Rebecca purple · ΔE 23.1Slate blue · ΔE 24Cornflower blue · ΔE 27.6Royal blue · ΔE 28.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.25, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#929F56
Analogous#566D9F, #88569F
Triadic#9F6356, #569F63
Split complementary#9F8856, #6D9F56
Tetradic#9F566D, #929F56, #569F88

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DBD7EA
Lighter +30%#BCB6D8
Lighter +20%#9E95C6
Lighter +10%#7F74B4
Darker −10%#4E447E
Darker −20%#3A325D
Darker −30%#25203C
Darker −40%#110E1B
More saturated +25%#4F37BE
Less saturated −25%#777580

Channel breakdown

R99
G86
B159
Red99 (38.8%)
Green86 (33.7%)
Blue159 (62.4%)
Hue250.68°
Saturation (HSL)29.8%
Lightness48.04%
Dominant channelBlue
Hex per channelR 63 · G 56 · B 9F

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Every value on this page was computed from “63569f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.