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Recognised as Colour

#7563CB

  • #7563CB
  • Blue
  • Dark
  • Nearest: Slate blue

#7563CB is a blue with RGB values 117, 99, 203 and HSL 250°, 50%, 59%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#7563CB#7563CB
HEX#7563CB
RGBrgb(117, 99, 203)
RGB (0–1)0.4588, 0.3882, 0.7961
RGB percentages45.9%, 38.8%, 79.6%
HSLhsl(250.4, 50%, 59.2%)
HSV / HSBhsv(250.4, 51.2%, 79.6%)
CMYK42.4%, 51.2%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,693,259
CSS custom property--colour: #7563CB;

Brightness & contrast

Relative luminance0.17017WCAG 2.x, 0 is black and 1 is white
Perceived brightness120.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.77:1
Contrast with white4.77:1WCAG normal text: AA
Contrast with black4.4:1WCAG normal text: Fail
Greyscale equivalent#6E6E6E
Inverted#8A9C34

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3575CFno red cones; affects about 1% of men; ΔE 22 from the original
Deuteranopia#3670C9no green cones; the most common form, about 1% of men; ΔE 20.9 from the original
Tritanopia#5C798Eno blue cones; rare, and affects men and women equally; ΔE 52.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.77:1WCAG large text: AAA
Contrast with black, large text4.4:1WCAG large text: AA

Named colours

Slate blue · ΔE 7.5Medium purple · ΔE 8.1Royal blue · ΔE 14.8Medium slateblue · ΔE 16.5Rebecca purple · ΔE 19.1Dark slateblue · ΔE 21
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 7.48, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B9CB63
Analogous#6385CB, #A963CB
Triadic#CB7563, #63CB75
Split complementary#CBA963, #85CB63
Tetradic#CB6385, #B9CB63, #63CBA9

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FCFCFE
Lighter +30%#DBD6F1
Lighter +20%#B9B0E5
Lighter +10%#9789D8
Darker −10%#543FBC
Darker −20%#433296
Darker −30%#322570
Darker −40%#21194A
More saturated +25%#6449E5
Less saturated −25%#867DB1

Channel breakdown

R117
G99
B203
Red117 (45.9%)
Green99 (38.8%)
Blue203 (79.6%)
Hue250.38°
Saturation (HSL)50%
Lightness59.22%
Dominant channelBlue
Hex per channelR 75 · G 63 · B CB

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Every value on this page was computed from “7563cb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.