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Recognised as Colour

#688DF9

  • #688DF9
  • Blue
  • Dark
  • Nearest: Dodgerblue

#688DF9 is a blue with RGB values 104, 141, 249 and HSL 225°, 92%, 69%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#688DF9#688DF9
HEX#688DF9
RGBrgb(104, 141, 249)
RGB (0–1)0.4078, 0.5529, 0.9765
RGB percentages40.8%, 55.3%, 97.6%
HSLhsl(224.7, 92.4%, 69.2%)
HSV / HSBhsv(224.7, 58.2%, 97.6%)
CMYK58.2%, 43.4%, 0%, 2.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,852,089
CSS custom property--colour: #688DF9;

Brightness & contrast

Relative luminance0.28832WCAG 2.x, 0 is black and 1 is white
Perceived brightness148.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.77:1
Contrast with white3.1:1WCAG normal text: Fail
Contrast with black6.77:1WCAG normal text: AA
Greyscale equivalent#8D8D8D
Inverted#977206

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5C99FDno red cones; affects about 1% of men; ΔE 8.7 from the original
Deuteranopia#488CF7no green cones; the most common form, about 1% of men; ΔE 5.9 from the original
Tritanopia#00A5B7no blue cones; rare, and affects men and women equally; ΔE 61.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.1:1WCAG large text: AA
Contrast with black, large text6.77:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 10.4Cornflower blue · ΔE 12.8Royal blue · ΔE 16.6Medium purple · ΔE 20.5Slate blue · ΔE 23.1Medium slateblue · ΔE 25
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 10.38, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F9D468
Analogous#68D6F9, #8B68F9
Triadic#F9688D, #8DF968
Split complementary#F98B68, #D6F968
Tetradic#F968D6, #F9D468, #68F98B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FBFCFF
Lighter +20%#CAD7FD
Lighter +10%#99B2FB
Darker −10%#3768F7
Darker −20%#0A45F1
Darker −30%#0837C0
Darker −40%#06298F
More saturated +25%#628AFF
Less saturated −25%#7C97E5

Channel breakdown

R104
G141
B249
Red104 (40.8%)
Green141 (55.3%)
Blue249 (97.6%)
Hue224.69°
Saturation (HSL)92.36%
Lightness69.22%
Dominant channelBlue
Hex per channelR 68 · G 8D · B F9

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Every value on this page was computed from “688df9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.