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Recognised as Colour

#685ECC

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

#685ECC is a blue with RGB values 104, 94, 204 and HSL 245°, 52%, 58%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#685ECC#685ECC
HEX#685ECC
RGBrgb(104, 94, 204)
RGB (0–1)0.4078, 0.3686, 0.8
RGB percentages40.8%, 36.9%, 80%
HSLhsl(245.5, 51.9%, 58.4%)
HSV / HSBhsv(245.5, 53.9%, 80%)
CMYK49%, 53.9%, 0%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,840,012
CSS custom property--colour: #685ECC;

Brightness & contrast

Relative luminance0.15308WCAG 2.x, 0 is black and 1 is white
Perceived brightness114.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.17:1
Contrast with white5.17:1WCAG normal text: AA
Contrast with black4.06:1WCAG normal text: Fail
Greyscale equivalent#686868
Inverted#97A133

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2171D0no red cones; affects about 1% of men; ΔE 21.6 from the original
Deuteranopia#1969CAno green cones; the most common form, about 1% of men; ΔE 19.4 from the original
Tritanopia#44768Cno blue cones; rare, and affects men and women equally; ΔE 58.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.17:1WCAG large text: AAA
Contrast with black, large text4.06:1WCAG large text: AA

Named colours

Slate blue · ΔE 3.6Medium purple · ΔE 11.4Royal blue · ΔE 11.5Medium slateblue · ΔE 13.8Rebecca purple · ΔE 18.8Dark slateblue · ΔE 21.8
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 3.64, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C2CC5E
Analogous#5E8BCC, #9F5ECC
Triadic#CC685E, #5ECC68
Split complementary#CC9F5E, #8BCC5E
Tetradic#CC5E8B, #C2CC5E, #5ECC9F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F9F9FD
Lighter +30%#D5D2F1
Lighter +20%#B1ABE5
Lighter +10%#8C85D8
Darker −10%#473BBC
Darker −20%#382F95
Darker −30%#2A236E
Darker −40%#1B1747
More saturated +25%#5243E7
Less saturated −25%#7E79B2

Channel breakdown

R104
G94
B204
Red104 (40.8%)
Green94 (36.9%)
Blue204 (80%)
Hue245.45°
Saturation (HSL)51.89%
Lightness58.43%
Dominant channelBlue
Hex per channelR 68 · G 5E · B CC

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