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Recognised as Colour

#6888D5

  • #6888D5
  • Blue
  • Dark
  • Nearest: Cornflower blue

#6888D5 is a blue with RGB values 104, 136, 213 and HSL 222°, 56%, 62%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#6888D5#6888D5
HEX#6888D5
RGBrgb(104, 136, 213)
RGB (0–1)0.4078, 0.5333, 0.8353
RGB percentages40.8%, 53.3%, 83.5%
HSLhsl(222.4, 56.5%, 62.2%)
HSV / HSBhsv(222.4, 51.2%, 83.5%)
CMYK51.2%, 36.2%, 0%, 16.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,850,773
CSS custom property--colour: #6888D5;

Brightness & contrast

Relative luminance0.25355WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.07:1
Contrast with white3.46:1WCAG normal text: Fail
Contrast with black6.07:1WCAG normal text: AA
Greyscale equivalent#878787
Inverted#97772A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6A8FD8no red cones; affects about 1% of men; ΔE 3.9 from the original
Deuteranopia#5E85D3no green cones; the most common form, about 1% of men; ΔE 2.2 from the original
Tritanopia#3599A4no blue cones; rare, and affects men and women equally; ΔE 45.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.46:1WCAG large text: AA
Contrast with black, large text6.07:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 7.8Steel blue · ΔE 18.7Dodgerblue · ΔE 20.4Medium purple · ΔE 27.6Royal blue · ΔE 29Dark slateblue · ΔE 30.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 7.76, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D5B568
Analogous#68BFD5, #7E68D5
Triadic#D56888, #88D568
Split complementary#D57E68, #BFD568
Tetradic#D568BF, #D5B568, #68D57E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E0E6F6
Lighter +20%#B8C7EB
Lighter +10%#90A7E0
Darker −10%#4069CA
Darker −20%#2F52A8
Darker −30%#243F80
Darker −40%#192B58
More saturated +25%#507EED
Less saturated −25%#8092BD

Channel breakdown

R104
G136
B213
Red104 (40.8%)
Green136 (53.3%)
Blue213 (83.5%)
Hue222.39°
Saturation (HSL)56.48%
Lightness62.16%
Dominant channelBlue
Hex per channelR 68 · G 88 · B D5

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Every value on this page was computed from “6888d5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.