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Recognised as Colour

#4097F4

  • #4097F4
  • Blue
  • Dark
  • Nearest: Cornflower blue

#4097F4 is a blue with RGB values 64, 151, 244 and HSL 211°, 89%, 60%. It is a dark colour, so black text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#4097F4#4097F4
HEX#4097F4
RGBrgb(64, 151, 244)
RGB (0–1)0.251, 0.5922, 0.9569
RGB percentages25.1%, 59.2%, 95.7%
HSLhsl(211, 89.1%, 60.4%)
HSV / HSBhsv(211, 73.8%, 95.7%)
CMYK73.8%, 38.1%, 0%, 4.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,233,204
CSS custom property--colour: #4097F4;

Brightness & contrast

Relative luminance0.29755WCAG 2.x, 0 is black and 1 is white
Perceived brightness146.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.95:1
Contrast with white3.02:1WCAG normal text: Fail
Contrast with black6.95:1WCAG normal text: AA
Greyscale equivalent#8B8B8B
Inverted#BF680B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6B9DF8no red cones; affects about 1% of men; ΔE 6.9 from the original
Deuteranopia#4F8DF2no green cones; the most common form, about 1% of men; ΔE 8.1 from the original
Tritanopia#00ADBAno blue cones; rare, and affects men and women equally; ΔE 52 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.02:1WCAG large text: AA
Contrast with black, large text6.95:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 6.6Dodgerblue · ΔE 10.9Steel blue · ΔE 25.2Deep skyblue · ΔE 27.5Royal blue · ΔE 27.8Medium purple · ΔE 32.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 6.59, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F49D40
Analogous#40F1F4, #4340F4
Triadic#F44097, #97F440
Split complementary#F44340, #F1F440
Tetradic#F440F1, #F49D40, #40F443

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D1E6FC
Lighter +20%#A0CCFA
Lighter +10%#70B1F7
Darker −10%#107DF1
Darker −20%#0B64C3
Darker −30%#084B93
Darker −40%#063262
More saturated +25%#3597FF
Less saturated −25%#5998DB

Channel breakdown

R64
G151
B244
Red64 (25.1%)
Green151 (59.2%)
Blue244 (95.7%)
Hue211°
Saturation (HSL)89.11%
Lightness60.39%
Dominant channelBlue
Hex per channelR 40 · G 97 · B F4

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Every value on this page was computed from “4097f4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.