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Recognised as Colour

#691FAE

  • #691FAE
  • Violet
  • Dark
  • Nearest: Dark orchid

#691FAE is a violet with RGB values 105, 31, 174 and HSL 271°, 70%, 40%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Dark orchid.

Colour values

#691FAE#691FAE
HEX#691FAE
RGBrgb(105, 31, 174)
RGB (0–1)0.4118, 0.1216, 0.6824
RGB percentages41.2%, 12.2%, 68.2%
HSLhsl(271, 69.8%, 40.2%)
HSV / HSBhsv(271, 82.2%, 68.2%)
CMYK39.7%, 82.2%, 0%, 31.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,889,390
CSS custom property--colour: #691FAE;

Brightness & contrast

Relative luminance0.07039WCAG 2.x, 0 is black and 1 is white
Perceived brightness85.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.72:1
Contrast with white8.72:1WCAG normal text: AAA
Contrast with black2.41:1WCAG normal text: Fail
Greyscale equivalent#393939
Inverted#96E051

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004AB2no red cones; affects about 1% of men; ΔE 34.1 from the original
Deuteranopia#004AABno green cones; the most common form, about 1% of men; ΔE 37.2 from the original
Tritanopia#594868no blue cones; rare, and affects men and women equally; ΔE 62.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.72:1WCAG large text: AAA
Contrast with black, large text2.41:1WCAG large text: Fail

Named colours

Dark orchid · ΔE 14Indigo · ΔE 15.1Dark blue · ΔE 19.8Rebecca purple · ΔE 20.3Blue violet · ΔE 21Navy · ΔE 21.6
Nearest named CSS colourDark orchid (#9932CC)ΔE 13.97, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#64AE1F
Analogous#221FAE, #AE1FAC
Triadic#AE691F, #1FAE69
Split complementary#ACAE1F, #1FAE22
Tetradic#AE211F, #64AE1F, #1FACAE

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CEA9F0
Lighter +30%#B57EE8
Lighter +20%#9C53E0
Lighter +10%#8327D9
Darker −10%#4F1783
Darker −20%#351057
Darker −30%#1B082C
Darker −40%#010001
More saturated +25%#6A05C8
Less saturated −25%#683994

Channel breakdown

R105
G31
B174
Red105 (41.2%)
Green31 (12.2%)
Blue174 (68.2%)
Hue271.05°
Saturation (HSL)69.76%
Lightness40.2%
Dominant channelBlue
Hex per channelR 69 · G 1F · B AE

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Every value on this page was computed from “691fae” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.