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Recognised as Colour

#6837AC

  • #6837AC
  • Violet
  • Dark
  • Nearest: Rebecca purple

#6837AC is a violet with RGB values 104, 55, 172 and HSL 265°, 52%, 45%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#6837AC#6837AC
HEX#6837AC
RGBrgb(104, 55, 172)
RGB (0–1)0.4078, 0.2157, 0.6745
RGB percentages40.8%, 21.6%, 67.5%
HSLhsl(265.1, 51.5%, 44.5%)
HSV / HSBhsv(265.1, 68%, 67.5%)
CMYK39.5%, 68%, 0%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,829,996
CSS custom property--colour: #6837AC;

Brightness & contrast

Relative luminance0.08654WCAG 2.x, 0 is black and 1 is white
Perceived brightness91.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.69:1
Contrast with white7.69:1WCAG normal text: AAA
Contrast with black2.73:1WCAG normal text: Fail
Greyscale equivalent#4A4A4A
Inverted#97C853

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0053B0no red cones; affects about 1% of men; ΔE 29.7 from the original
Deuteranopia#0052AAno green cones; the most common form, about 1% of men; ΔE 31.6 from the original
Tritanopia#58536Dno blue cones; rare, and affects men and women equally; ΔE 55.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.69:1WCAG large text: AAA
Contrast with black, large text2.73:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 8.6Slate blue · ΔE 14.6Indigo · ΔE 15.9Medium slateblue · ΔE 20.6Dark orchid · ΔE 21.4Medium purple · ΔE 22.2
Nearest named CSS colourRebecca purple (#663399)ΔE 8.55, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7BAC37
Analogous#3741AC, #A237AC
Triadic#AC6837, #37AC68
Split complementary#ACA337, #41AC37
Tetradic#AC3741, #7BAC37, #37ACA2

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D4C3EC
Lighter +30%#B99CE0
Lighter +20%#9D76D3
Lighter +10%#814FC7
Darker −10%#512B85
Darker −20%#391E5F
Darker −30%#221238
Darker −40%#0B0611
More saturated +25%#631BC8
Less saturated −25%#6D5390

Channel breakdown

R104
G55
B172
Red104 (40.8%)
Green55 (21.6%)
Blue172 (67.5%)
Hue265.13°
Saturation (HSL)51.54%
Lightness44.51%
Dominant channelBlue
Hex per channelR 68 · G 37 · B AC

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Every value on this page was computed from “6837ac” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.