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Recognised as Colour

#671C87

  • #671C87
  • Violet
  • Dark
  • Nearest: Rebecca purple

#671C87 is a violet with RGB values 103, 28, 135 and HSL 282°, 66%, 32%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#671C87#671C87
HEX#671C87
RGBrgb(103, 28, 135)
RGB (0–1)0.4039, 0.1098, 0.5294
RGB percentages40.4%, 11%, 52.9%
HSLhsl(282.1, 65.6%, 32%)
HSV / HSBhsv(282.1, 79.3%, 52.9%)
CMYK23.7%, 79.3%, 0%, 47.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,757,511
CSS custom property--colour: #671C87;

Brightness & contrast

Relative luminance0.05463WCAG 2.x, 0 is black and 1 is white
Perceived brightness75.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.04:1
Contrast with white10.04:1WCAG normal text: AAA
Contrast with black2.09:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#98E378

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003E8Ano red cones; affects about 1% of men; ΔE 34.5 from the original
Deuteranopia#0F4485no green cones; the most common form, about 1% of men; ΔE 39.9 from the original
Tritanopia#633551no blue cones; rare, and affects men and women equally; ΔE 43.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.04:1WCAG large text: AAA
Contrast with black, large text2.09:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 8.7Indigo · ΔE 12.3Purple · ΔE 12.3Dark magenta · ΔE 15Midnight blue · ΔE 22.1Dark slateblue · ΔE 23.5
Nearest named CSS colourRebecca purple (#663399)ΔE 8.66, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3C871C
Analogous#311C87, #871C72
Triadic#87671C, #1C8767
Split complementary#71871C, #1C8732
Tetradic#87321C, #3C871C, #1C7287

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CA89E6
Lighter +30%#B85EDE
Lighter +20%#A534D5
Lighter +10%#8725B1
Darker −10%#47135D
Darker −20%#270A33
Darker −30%#060208
Darker −40%#000000
More saturated +25%#6F089B
Less saturated −25%#5F3073

Channel breakdown

R103
G28
B135
Red103 (40.4%)
Green28 (11%)
Blue135 (52.9%)
Hue282.06°
Saturation (HSL)65.64%
Lightness31.96%
Dominant channelBlue
Hex per channelR 67 · G 1C · B 87

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Every value on this page was computed from “671c87” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.