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Recognised as Colour

#247FD8

  • #247FD8
  • Blue
  • Dark
  • Nearest: Cornflower blue

#247FD8 is a blue with RGB values 36, 127, 216 and HSL 210°, 71%, 49%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#247FD8#247FD8
HEX#247FD8
RGBrgb(36, 127, 216)
RGB (0–1)0.1412, 0.498, 0.8471
RGB percentages14.1%, 49.8%, 84.7%
HSLhsl(209.7, 71.4%, 49.4%)
HSV / HSBhsv(209.7, 83.3%, 84.7%)
CMYK83.3%, 41.2%, 0%, 15.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,392,024
CSS custom property--colour: #247FD8;

Brightness & contrast

Relative luminance0.20512WCAG 2.x, 0 is black and 1 is white
Perceived brightness123.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.1:1
Contrast with white4.12:1WCAG normal text: Fail
Contrast with black5.1:1WCAG normal text: AA
Greyscale equivalent#727272
Inverted#DB8027

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5286DCno red cones; affects about 1% of men; ΔE 6.2 from the original
Deuteranopia#3376D6no green cones; the most common form, about 1% of men; ΔE 7.2 from the original
Tritanopia#0094A1no blue cones; rare, and affects men and women equally; ΔE 50 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.12:1WCAG large text: AA
Contrast with black, large text5.1:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 10.7Dodgerblue · ΔE 13.2Steel blue · ΔE 23Royal blue · ΔE 24.2Medium purple · ΔE 31Slate blue · ΔE 31.3
Nearest named CSS colourCornflower blue (#6495ED)ΔE 10.7, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D87D24
Analogous#24D8D7, #2425D8
Triadic#D8247F, #7FD824
Split complementary#D82425, #D8D724
Tetradic#D724D8, #D87D24, #25D824

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D1E4F7
Lighter +30%#A5CBF0
Lighter +20%#79B2E9
Lighter +10%#4E98E1
Darker −10%#1D65AC
Darker −20%#154C81
Darker −30%#0E3255
Darker −40%#071829
More saturated +25%#057FF8
Less saturated −25%#447FB9

Channel breakdown

R36
G127
B216
Red36 (14.1%)
Green127 (49.8%)
Blue216 (84.7%)
Hue209.67°
Saturation (HSL)71.43%
Lightness49.41%
Dominant channelBlue
Hex per channelR 24 · G 7F · B D8

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Every value on this page was computed from “247fd8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.