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Recognised as Colour

#3B70D7

  • #3B70D7
  • Blue
  • Dark
  • Nearest: Royal blue

#3B70D7 is a blue with RGB values 59, 112, 215 and HSL 220°, 66%, 54%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#3B70D7#3B70D7
HEX#3B70D7
RGBrgb(59, 112, 215)
RGB (0–1)0.2314, 0.4392, 0.8431
RGB percentages23.1%, 43.9%, 84.3%
HSLhsl(219.6, 66.1%, 53.7%)
HSV / HSBhsv(219.6, 72.6%, 84.3%)
CMYK72.6%, 47.9%, 0%, 15.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,895,511
CSS custom property--colour: #3B70D7;

Brightness & contrast

Relative luminance0.17424WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.68:1
Contrast with white4.68:1WCAG normal text: AA
Contrast with black4.48:1WCAG normal text: Fail
Greyscale equivalent#6C6C6C
Inverted#C48F28

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#377CDBno red cones; affects about 1% of men; ΔE 8.1 from the original
Deuteranopia#026DD5no green cones; the most common form, about 1% of men; ΔE 4.4 from the original
Tritanopia#008899no blue cones; rare, and affects men and women equally; ΔE 58.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.68:1WCAG large text: AAA
Contrast with black, large text4.48:1WCAG large text: AA

Named colours

Royal blue · ΔE 11.4Dodgerblue · ΔE 14Cornflower blue · ΔE 17.8Slate blue · ΔE 18.9Medium purple · ΔE 21.8Medium slateblue · ΔE 25
Nearest named CSS colourRoyal blue (#4169E1)ΔE 11.43, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D7A23B
Analogous#3BBED7, #543BD7
Triadic#D73B70, #70D73B
Split complementary#D7543B, #BED73B
Tetradic#D73BBE, #D7A23B, #3BD754

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E4ECFA
Lighter +30%#BACDF1
Lighter +20%#90AEE8
Lighter +10%#658FE0
Darker −10%#2658B9
Darker −20%#1D448F
Darker −30%#153064
Darker −40%#0C1C3A
More saturated +25%#1D67F4
Less saturated −25%#5879BA

Channel breakdown

R59
G112
B215
Red59 (23.1%)
Green112 (43.9%)
Blue215 (84.3%)
Hue219.62°
Saturation (HSL)66.1%
Lightness53.73%
Dominant channelBlue
Hex per channelR 3B · G 70 · B D7

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Every value on this page was computed from “3b70d7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.