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Recognised as Colour

#687EDE

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

#687EDE is a blue with RGB values 104, 126, 222 and HSL 229°, 64%, 64%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#687EDE#687EDE
HEX#687EDE
RGBrgb(104, 126, 222)
RGB (0–1)0.4078, 0.4941, 0.8706
RGB percentages40.8%, 49.4%, 87.1%
HSLhsl(228.8, 64.1%, 63.9%)
HSV / HSBhsv(228.8, 53.2%, 87.1%)
CMYK53.2%, 43.2%, 0%, 12.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,848,222
CSS custom property--colour: #687EDE;

Brightness & contrast

Relative luminance0.23139WCAG 2.x, 0 is black and 1 is white
Perceived brightness134.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.63:1
Contrast with white3.73:1WCAG normal text: Fail
Contrast with black5.63:1WCAG normal text: AA
Greyscale equivalent#808080
Inverted#978121

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#558AE2no red cones; affects about 1% of men; ΔE 10.1 from the original
Deuteranopia#477FDCno green cones; the most common form, about 1% of men; ΔE 7.7 from the original
Tritanopia#2E93A3no blue cones; rare, and affects men and women equally; ΔE 54.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.73:1WCAG large text: AA
Contrast with black, large text5.63:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 12.1Dodgerblue · ΔE 15.5Royal blue · ΔE 17.1Medium purple · ΔE 17.8Slate blue · ΔE 20.6Medium slateblue · ΔE 26.1
Nearest named CSS colourCornflower blue (#6495ED)ΔE 12.05, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DEC868
Analogous#68B9DE, #8D68DE
Triadic#DE687E, #7EDE68
Split complementary#DE8D68, #B9DE68
Tetradic#DE68B9, #DEC868, #68DE8D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E6E9F9
Lighter +20%#BCC6F0
Lighter +10%#92A2E7
Darker −10%#3E5AD5
Darker −20%#2843B8
Darker −30%#1F348E
Darker −40%#162464
More saturated +25%#5170F5
Less saturated −25%#7F8CC7

Channel breakdown

R104
G126
B222
Red104 (40.8%)
Green126 (49.4%)
Blue222 (87.1%)
Hue228.81°
Saturation (HSL)64.13%
Lightness63.92%
Dominant channelBlue
Hex per channelR 68 · G 7E · B DE

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