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Colour

#687AF3

  • #687AF3
  • Blue
  • Dark
  • Nearest: Royal blue

#687AF3 is a blue with RGB values 104, 122, 243 and HSL 232°, 85%, 68%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#687AF3#687AF3
HEX#687AF3
RGBrgb(104, 122, 243)
RGB (0–1)0.4078, 0.4784, 0.9529
RGB percentages40.8%, 47.8%, 95.3%
HSLhsl(232.2, 85.3%, 68%)
HSV / HSBhsv(232.2, 57.2%, 95.3%)
CMYK57.2%, 49.8%, 0%, 4.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,847,219
CSS custom property--colour: #687AF3;

Brightness & contrast

Relative luminance0.23333WCAG 2.x, 0 is black and 1 is white
Perceived brightness136.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.67:1
Contrast with white3.71:1WCAG normal text: Fail
Contrast with black5.67:1WCAG normal text: AA
Greyscale equivalent#7F7F7F
Inverted#97850C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3A8BF7no red cones; affects about 1% of men; ΔE 16.2 from the original
Deuteranopia#1F7FF0no green cones; the most common form, about 1% of men; ΔE 13.6 from the original
Tritanopia#0095ABno blue cones; rare, and affects men and women equally; ΔE 67.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.71:1WCAG large text: AA
Contrast with black, large text5.67:1WCAG large text: AAA

Named colours

Royal blue · ΔE 8.1Medium slateblue · ΔE 13.5Slate blue · ΔE 13.8Medium purple · ΔE 15.5Dodgerblue · ΔE 18.7Cornflower blue · ΔE 24.2
Nearest named CSS colourRoyal blue (#4169E1)ΔE 8.14, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F3E168
Analogous#68BFF3, #9C68F3
Triadic#F3687A, #7AF368
Split complementary#F39C68, #BFF368
Tetradic#F368BF, #F3E168, #68F39C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F6F7FE
Lighter +20%#C6CDFB
Lighter +10%#97A4F7
Darker −10%#3950EF
Darker −20%#122DE3
Darker −30%#0E24B4
Darker −40%#0B1A84
More saturated +25%#5C71FF
Less saturated −25%#7C89DF

Channel breakdown

R104
G122
B243
Red104 (40.8%)
Green122 (47.8%)
Blue243 (95.3%)
Hue232.23°
Saturation (HSL)85.28%
Lightness68.04%
Dominant channelBlue
Hex per channelR 68 · G 7A · B F3

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Every value on this page was computed from “687af3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.