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Recognised as Colour

#687BEA

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

#687BEA is a blue with RGB values 104, 123, 234 and HSL 231°, 76%, 66%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#687BEA#687BEA
HEX#687BEA
RGBrgb(104, 123, 234)
RGB (0–1)0.4078, 0.4824, 0.9176
RGB percentages40.8%, 48.2%, 91.8%
HSLhsl(231.2, 75.6%, 66.3%)
HSV / HSBhsv(231.2, 55.6%, 91.8%)
CMYK55.6%, 47.4%, 0%, 8.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,847,466
CSS custom property--colour: #687BEA;

Brightness & contrast

Relative luminance0.23049WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.61:1
Contrast with white3.74:1WCAG normal text: Fail
Contrast with black5.61:1WCAG normal text: AA
Greyscale equivalent#7F7F7F
Inverted#978415

Colour vision & accessibility

Protanopia#468AEEno red cones; affects about 1% of men; ΔE 13.9 from the original
Deuteranopia#347FE8no green cones; the most common form, about 1% of men; ΔE 11.3 from the original
Tritanopia#1C94A7no blue cones; rare, and affects men and women equally; ΔE 63 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.74:1WCAG large text: AA
Contrast with black, large text5.61:1WCAG large text: AAA

Named colours

Nearest named CSS colourRoyal blue (#4169E1)ΔE 10.09, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#EAD768
Analogous#68BCEA, #9668EA
Triadic#EA687B, #7BEA68
Split complementary#EA9668, #BCEA68
Tetradic#EA68BC, #EAD768, #68EA96

Tints, shades & saturation

Lighter +40%#FFFFFF
Lighter +30%#EEF0FD
Lighter +20%#C2C9F6
Lighter +10%#95A2F0
Darker −10%#3B54E4
Darker −20%#1D37CF
Darker −30%#172BA2
Darker −40%#101F76
More saturated +25%#536CFF
Less saturated −25%#7D8AD4

Channel breakdown

R104
G123
B234
Red104 (40.8%)
Green123 (48.2%)
Blue234 (91.8%)
Hue231.23°
Saturation (HSL)75.58%
Lightness66.27%
Dominant channelBlue
Hex per channelR 68 · G 7B · B EA

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