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Recognised as Colour

#407BD7

  • #407BD7
  • Blue
  • Dark
  • Nearest: Cornflower blue

#407BD7 is a blue with RGB values 64, 123, 215 and HSL 217°, 65%, 55%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#407BD7#407BD7
HEX#407BD7
RGBrgb(64, 123, 215)
RGB (0–1)0.251, 0.4824, 0.8431
RGB percentages25.1%, 48.2%, 84.3%
HSLhsl(216.6, 65.4%, 54.7%)
HSV / HSBhsv(216.6, 70.2%, 84.3%)
CMYK70.2%, 42.8%, 0%, 15.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,226,007
CSS custom property--colour: #407BD7;

Brightness & contrast

Relative luminance0.20162WCAG 2.x, 0 is black and 1 is white
Perceived brightness124 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.03:1
Contrast with white4.17:1WCAG normal text: Fail
Contrast with black5.03:1WCAG normal text: AA
Greyscale equivalent#757575
Inverted#BF8428

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4E84DBno red cones; affects about 1% of men; ΔE 4.9 from the original
Deuteranopia#3476D5no green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#00909Eno blue cones; rare, and affects men and women equally; ΔE 52.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.17:1WCAG large text: AA
Contrast with black, large text5.03:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 10.7Dodgerblue · ΔE 12.9Royal blue · ΔE 19.9Steel blue · ΔE 25.8Medium purple · ΔE 25.8Slate blue · ΔE 26.1
Nearest named CSS colourCornflower blue (#6495ED)ΔE 10.71, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D79C40
Analogous#40C7D7, #5040D7
Triadic#D7407B, #7BD740
Split complementary#D75140, #C7D740
Tetradic#D740C7, #D79C40, #40D750

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E9F0FA
Lighter +30%#BFD2F1
Lighter +20%#94B5E9
Lighter +10%#6A98E0
Darker −10%#2762BD
Darker −20%#1F4C92
Darker −30%#163668
Darker −40%#0D203E
More saturated +25%#2375F4
Less saturated −25%#5D81BA

Channel breakdown

R64
G123
B215
Red64 (25.1%)
Green123 (48.2%)
Blue215 (84.3%)
Hue216.56°
Saturation (HSL)65.37%
Lightness54.71%
Dominant channelBlue
Hex per channelR 40 · G 7B · B D7

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Every value on this page was computed from “407bd7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.