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Recognised as Colour

#684FAF

  • #684FAF
  • Violet
  • Dark
  • Nearest: Slate blue

#684FAF is a violet with RGB values 104, 79, 175 and HSL 256°, 38%, 50%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#684FAF#684FAF
HEX#684FAF
RGBrgb(104, 79, 175)
RGB (0–1)0.4078, 0.3098, 0.6863
RGB percentages40.8%, 31%, 68.6%
HSLhsl(255.6, 37.8%, 49.8%)
HSV / HSBhsv(255.6, 54.9%, 68.6%)
CMYK40.6%, 54.9%, 0%, 31.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,836,143
CSS custom property--colour: #684FAF;

Brightness & contrast

Relative luminance0.1163WCAG 2.x, 0 is black and 1 is white
Perceived brightness101.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.31:1
Contrast with white6.31:1WCAG normal text: AA
Contrast with black3.33:1WCAG normal text: Fail
Greyscale equivalent#5B5B5B
Inverted#97B050

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2161B2no red cones; affects about 1% of men; ΔE 23.4 from the original
Deuteranopia#275EADno green cones; the most common form, about 1% of men; ΔE 22.8 from the original
Tritanopia#556377no blue cones; rare, and affects men and women equally; ΔE 48.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.31:1WCAG large text: AAA
Contrast with black, large text3.33:1WCAG large text: AA

Named colours

Slate blue · ΔE 11.3Rebecca purple · ΔE 12.3Dark slateblue · ΔE 13.6Medium purple · ΔE 14.9Royal blue · ΔE 20.1Medium slateblue · ΔE 22.3
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 11.26, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#96AF4F
Analogous#4F66AF, #984FAF
Triadic#AF684F, #4FAF68
Split complementary#AF984F, #66AF4F
Tetradic#AF4F66, #96AF4F, #4FAF98

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E0DBEF
Lighter +30%#C2B8DF
Lighter +20%#A495CF
Lighter +10%#8672BF
Darker −10%#533F8C
Darker −20%#3E2F69
Darker −30%#291F46
Darker −40%#141022
More saturated +25%#592FCF
Less saturated −25%#776F8F

Channel breakdown

R104
G79
B175
Red104 (40.8%)
Green79 (31%)
Blue175 (68.6%)
Hue255.63°
Saturation (HSL)37.8%
Lightness49.8%
Dominant channelBlue
Hex per channelR 68 · G 4F · B AF

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Every value on this page was computed from “684faf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.