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Recognised as Colour

#687FC2

  • #687FC2
  • Blue
  • Dark
  • Nearest: Cornflower blue

#687FC2 is a blue with RGB values 104, 127, 194 and HSL 225°, 42%, 58%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#687FC2#687FC2
HEX#687FC2
RGBrgb(104, 127, 194)
RGB (0–1)0.4078, 0.498, 0.7608
RGB percentages40.8%, 49.8%, 76.1%
HSLhsl(224.7, 42.5%, 58.4%)
HSV / HSBhsv(224.7, 46.4%, 76.1%)
CMYK46.4%, 34.5%, 0%, 23.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,848,450
CSS custom property--colour: #687FC2;

Brightness & contrast

Relative luminance0.22017WCAG 2.x, 0 is black and 1 is white
Perceived brightness130.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.4:1
Contrast with white3.89:1WCAG normal text: Fail
Contrast with black5.4:1WCAG normal text: AA
Greyscale equivalent#7F7F7F
Inverted#97803D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6685C5no red cones; affects about 1% of men; ΔE 3.7 from the original
Deuteranopia#5D7EC0no green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#468D97no blue cones; rare, and affects men and women equally; ΔE 38.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.89:1WCAG large text: AA
Contrast with black, large text5.4:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 14.1Steel blue · ΔE 15Dodgerblue · ΔE 26.3Dark slateblue · ΔE 28.7Light slate grey · ΔE 29.2Slate grey · ΔE 29.6
Nearest named CSS colourCornflower blue (#6495ED)ΔE 14.11, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C2AB68
Analogous#68ACC2, #7E68C2
Triadic#C2687F, #7FC268
Split complementary#C27E68, #ACC268
Tetradic#C268AC, #C2AB68, #68C27E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F9FAFD
Lighter +30%#D5DBEE
Lighter +20%#B1BDDF
Lighter +10%#8C9ED1
Darker −10%#4762B0
Darker −20%#384E8C
Darker −30%#2A3967
Darker −40%#1B2543
More saturated +25%#4E72DC
Less saturated −25%#838CA7

Channel breakdown

R104
G127
B194
Red104 (40.8%)
Green127 (49.8%)
Blue194 (76.1%)
Hue224.67°
Saturation (HSL)42.45%
Lightness58.43%
Dominant channelBlue
Hex per channelR 68 · G 7F · B C2

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Every value on this page was computed from “687fc2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.