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Recognised as Colour

#4756D7

  • #4756D7
  • Blue
  • Dark
  • Nearest: Slate blue

#4756D7 is a blue with RGB values 71, 86, 215 and HSL 234°, 64%, 56%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#4756D7#4756D7
HEX#4756D7
RGBrgb(71, 86, 215)
RGB (0–1)0.2784, 0.3373, 0.8431
RGB percentages27.8%, 33.7%, 84.3%
HSLhsl(233.8, 64.3%, 56.1%)
HSV / HSBhsv(233.8, 67%, 84.3%)
CMYK67%, 60%, 0%, 15.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,675,287
CSS custom property--colour: #4756D7;

Brightness & contrast

Relative luminance0.12901WCAG 2.x, 0 is black and 1 is white
Perceived brightness105.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.87:1
Contrast with white5.87:1WCAG normal text: AA
Contrast with black3.58:1WCAG normal text: Fail
Greyscale equivalent#5C5C5C
Inverted#B8A928

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#006BDBno red cones; affects about 1% of men; ΔE 18.3 from the original
Deuteranopia#005ED4no green cones; the most common form, about 1% of men; ΔE 11.9 from the original
Tritanopia#00768Eno blue cones; rare, and affects men and women equally; ΔE 72 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.87:1WCAG large text: AAA
Contrast with black, large text3.58:1WCAG large text: AA

Named colours

Slate blue · ΔE 10.6Royal blue · ΔE 11Medium slateblue · ΔE 11.4Medium purple · ΔE 21.8Rebecca purple · ΔE 24.2Dark slateblue · ΔE 30
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 10.64, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D7C847
Analogous#479ED7, #8047D7
Triadic#D74756, #56D747
Split complementary#D78047, #9ED747
Tetradic#D7479E, #D7C847, #47D780

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EFF0FB
Lighter +30%#C5C9F2
Lighter +20%#9BA3E9
Lighter +10%#717CE0
Darker −10%#2A3AC1
Darker −20%#212D97
Darker −30%#18216D
Darker −40%#0F1443
More saturated +25%#2B40F3
Less saturated −25%#636CBB

Channel breakdown

R71
G86
B215
Red71 (27.8%)
Green86 (33.7%)
Blue215 (84.3%)
Hue233.75°
Saturation (HSL)64.29%
Lightness56.08%
Dominant channelBlue
Hex per channelR 47 · G 56 · B D7

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Every value on this page was computed from “4756d7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.