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Recognised as Colour

#685FD8

  • #685FD8
  • Blue
  • Dark
  • Nearest: Slate blue

#685FD8 is a blue with RGB values 104, 95, 216 and HSL 244°, 61%, 61%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#685FD8#685FD8
HEX#685FD8
RGBrgb(104, 95, 216)
RGB (0–1)0.4078, 0.3725, 0.8471
RGB percentages40.8%, 37.3%, 84.7%
HSLhsl(244.5, 60.8%, 61%)
HSV / HSBhsv(244.5, 56%, 84.7%)
CMYK51.9%, 56%, 0%, 15.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,840,280
CSS custom property--colour: #685FD8;

Brightness & contrast

Relative luminance0.16085WCAG 2.x, 0 is black and 1 is white
Perceived brightness117.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.98:1
Contrast with white4.98:1WCAG normal text: AA
Contrast with black4.22:1WCAG normal text: Fail
Greyscale equivalent#6A6A6A
Inverted#97A027

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0374DCno red cones; affects about 1% of men; ΔE 23.3 from the original
Deuteranopia#006BD5no green cones; the most common form, about 1% of men; ΔE 20.4 from the original
Tritanopia#3A7B92no blue cones; rare, and affects men and women equally; ΔE 65.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.98:1WCAG large text: AAA
Contrast with black, large text4.22:1WCAG large text: AA

Named colours

Slate blue · ΔE 3.9Medium slateblue · ΔE 8.3Royal blue · ΔE 10.5Medium purple · ΔE 13.7Rebecca purple · ΔE 21.2Dark slateblue · ΔE 27
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 3.89, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CFD85F
Analogous#5F93D8, #A45FD8
Triadic#D8685F, #5FD868
Split complementary#D8A45F, #93D85F
Tetradic#D85F93, #CFD85F, #5FD8A4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DCDAF6
Lighter +20%#B5B1EC
Lighter +10%#8F88E2
Darker −10%#4136CE
Darker −20%#3229A8
Darker −30%#261F7F
Darker −40%#1A1556
More saturated +25%#5346F1
Less saturated −25%#7D78BF

Channel breakdown

R104
G95
B216
Red104 (40.8%)
Green95 (37.3%)
Blue216 (84.7%)
Hue244.46°
Saturation (HSL)60.8%
Lightness60.98%
Dominant channelBlue
Hex per channelR 68 · G 5F · B D8

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Every value on this page was computed from “685fd8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.