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Recognised as Colour

#689FFF

  • #689FFF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#689FFF is a blue with RGB values 104, 159, 255 and HSL 218°, 100%, 70%. It is a dark colour, so black text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#689FFF#689FFF
HEX#689FFF
RGBrgb(104, 159, 255)
RGB (0–1)0.4078, 0.6235, 1
RGB percentages40.8%, 62.4%, 100%
HSLhsl(218.1, 100%, 70.4%)
HSV / HSBhsv(218.1, 59.2%, 100%)
CMYK59.2%, 37.6%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,856,703
CSS custom property--colour: #689FFF;

Brightness & contrast

Relative luminance0.34959WCAG 2.x, 0 is black and 1 is white
Perceived brightness159.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.99:1
Contrast with white2.63:1WCAG normal text: Fail
Contrast with black7.99:1WCAG normal text: AAA
Greyscale equivalent#9A9A9A
Inverted#976000

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#76A7FFno red cones; affects about 1% of men; ΔE 5.6 from the original
Deuteranopia#6299FDno green cones; the most common form, about 1% of men; ΔE 3.4 from the original
Tritanopia#00B5C3no blue cones; rare, and affects men and women equally; ΔE 55.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.63:1WCAG large text: Fail
Contrast with black, large text7.99:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 5.4Dodgerblue · ΔE 12Royal blue · ΔE 27Steel blue · ΔE 28.5Medium purple · ΔE 29Deep skyblue · ΔE 30.4
Nearest named CSS colourCornflower blue (#6495ED)ΔE 5.45, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFC868
Analogous#68EAFF, #7D68FF
Triadic#FF689F, #9FFF68
Split complementary#FF7C68, #EBFF68
Tetradic#FF68EA, #FFC868, #68FF7D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#CEE0FF
Lighter +10%#9BBFFF
Darker −10%#357FFF
Darker −20%#025EFF
Darker −30%#004BCE
Darker −40%#00389B
More saturated +25%#689FFF
Less saturated −25%#7BA4EC

Channel breakdown

R104
G159
B255
Red104 (40.8%)
Green159 (62.4%)
Blue255 (100%)
Hue218.15°
Saturation (HSL)100%
Lightness70.39%
Dominant channelBlue
Hex per channelR 68 · G 9F · B FF

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Every value on this page was computed from “689fff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.