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Recognised as Colour

#64128E

  • #64128E
  • Violet
  • Dark
  • Nearest: Indigo

#64128E is a violet with RGB values 100, 18, 142 and HSL 280°, 78%, 31%. It is a dark colour, so white text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#64128E#64128E
HEX#64128E
RGBrgb(100, 18, 142)
RGB (0–1)0.3922, 0.0706, 0.5569
RGB percentages39.2%, 7.1%, 55.7%
HSLhsl(279.7, 77.5%, 31.4%)
HSV / HSBhsv(279.7, 87.3%, 55.7%)
CMYK29.6%, 87.3%, 0%, 44.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,558,350
CSS custom property--colour: #64128E;

Brightness & contrast

Relative luminance0.05095WCAG 2.x, 0 is black and 1 is white
Perceived brightness74 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.4:1
Contrast with white10.4:1WCAG normal text: AAA
Contrast with black2.02:1WCAG normal text: Fail
Greyscale equivalent#2C2C2C
Inverted#9BED71

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003D91no red cones; affects about 1% of men; ΔE 34.9 from the original
Deuteranopia#00418Cno green cones; the most common form, about 1% of men; ΔE 40 from the original
Tritanopia#5E3553no blue cones; rare, and affects men and women equally; ΔE 49.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.4:1WCAG large text: AAA
Contrast with black, large text2.02:1WCAG large text: Fail

Named colours

Indigo · ΔE 7.5Rebecca purple · ΔE 12.4Purple · ΔE 14.8Dark magenta · ΔE 15.5Navy · ΔE 21.2Dark orchid · ΔE 22.5
Nearest named CSS colourIndigo (#4B0082)ΔE 7.54, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3C8E12
Analogous#26128E, #8E127A
Triadic#8E6412, #128E64
Split complementary#7A8E12, #128E26
Tetradic#8E2612, #3C8E12, #127A8E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C87DEF
Lighter +30%#B550E9
Lighter +20%#A223E3
Lighter +10%#8418BB
Darker −10%#440C61
Darker −20%#240733
Darker −30%#040106
Darker −40%#000000
More saturated +25%#6A00A0
Less saturated −25%#5E267A

Channel breakdown

R100
G18
B142
Red100 (39.2%)
Green18 (7.1%)
Blue142 (55.7%)
Hue279.68°
Saturation (HSL)77.5%
Lightness31.37%
Dominant channelBlue
Hex per channelR 64 · G 12 · B 8E

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Every value on this page was computed from “64128e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.