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Recognised as Colour

#878FDD

  • #878FDD
  • Blue
  • Dark
  • Nearest: Cornflower blue

#878FDD is a blue with RGB values 135, 143, 221 and HSL 234°, 56%, 70%. It is a dark colour, so black text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#878FDD#878FDD
HEX#878FDD
RGBrgb(135, 143, 221)
RGB (0–1)0.5294, 0.5608, 0.8667
RGB percentages52.9%, 56.1%, 86.7%
HSLhsl(234.4, 55.8%, 69.8%)
HSV / HSBhsv(234.4, 38.9%, 86.7%)
CMYK38.9%, 35.3%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,884,189
CSS custom property--colour: #878FDD;

Brightness & contrast

Relative luminance0.30016WCAG 2.x, 0 is black and 1 is white
Perceived brightness151.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7:1
Contrast with white3:1WCAG normal text: Fail
Contrast with black7:1WCAG normal text: AAA
Greyscale equivalent#939393
Inverted#787022

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7598E0no red cones; affects about 1% of men; ΔE 9 from the original
Deuteranopia#7092DBno green cones; the most common form, about 1% of men; ΔE 8.1 from the original
Tritanopia#6D9EACno blue cones; rare, and affects men and women equally; ΔE 40.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3:1WCAG large text: Fail
Contrast with black, large text7:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 11Dodgerblue · ΔE 23.6Medium purple · ΔE 23.6Steel blue · ΔE 23.8Plum · ΔE 27.5Royal blue · ΔE 29.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 10.98, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DDD587
Analogous#87BADD, #AA87DD
Triadic#DD878F, #8FDD87
Split complementary#DDAA87, #BADD87
Tetradic#DD87BA, #DDD587, #87DDAA

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FEFEFF
Lighter +20%#D6D9F4
Lighter +10%#AFB4E8
Darker −10%#5F6AD2
Darker −20%#3845C6
Darker −30%#2D379E
Darker −40%#222976
More saturated +25%#747FF0
Less saturated −25%#9A9FCA

Channel breakdown

R135
G143
B221
Red135 (52.9%)
Green143 (56.1%)
Blue221 (86.7%)
Hue234.42°
Saturation (HSL)55.84%
Lightness69.8%
Dominant channelBlue
Hex per channelR 87 · G 8F · B DD

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Every value on this page was computed from “878fdd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.