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Recognised as Colour

#40074C

  • #40074C
  • Violet
  • Dark
  • Nearest: Midnight blue

#40074C is a violet with RGB values 64, 7, 76 and HSL 290°, 83%, 16%. It is a dark colour, so white text on it reaches 15.5:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#40074C#40074C
HEX#40074C
RGBrgb(64, 7, 76)
RGB (0–1)0.251, 0.0275, 0.298
RGB percentages25.1%, 2.7%, 29.8%
HSLhsl(289.6, 83.1%, 16.3%)
HSV / HSBhsv(289.6, 90.8%, 29.8%)
CMYK15.8%, 90.8%, 0%, 70.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,196,172
CSS custom property--colour: #40074C;

Brightness & contrast

Relative luminance0.01764WCAG 2.x, 0 is black and 1 is white
Perceived brightness43.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.52:1
Contrast with white15.52:1WCAG normal text: AAA
Contrast with black1.35:1WCAG normal text: Fail
Greyscale equivalent#181818
Inverted#BFF8B3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00204Eno red cones; affects about 1% of men; ΔE 26.4 from the original
Deuteranopia#0D264Bno green cones; the most common form, about 1% of men; ΔE 30.5 from the original
Tritanopia#40172Bno blue cones; rare, and affects men and women equally; ΔE 27.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text15.52:1WCAG large text: AAA
Contrast with black, large text1.35:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 22.1Dark slateblue · ΔE 24Rebecca purple · ΔE 27.6Purple · ΔE 28.9Indigo · ΔE 30.4Dark magenta · ΔE 34
Nearest named CSS colourMidnight blue (#191970)ΔE 22.05, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#134C07
Analogous#1E074C, #4C0735
Triadic#4C4007, #074C40
Split complementary#354C07, #074C1E
Tetradic#4C1E07, #134C07, #07354C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CC33EC
Lighter +30%#B614D8
Lighter +20%#8F10A9
Lighter +10%#670B7B
Darker −10%#19031D
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#450053
Less saturated −25%#391142

Channel breakdown

R64
G7
B76
Red64 (25.1%)
Green7 (2.7%)
Blue76 (29.8%)
Hue289.57°
Saturation (HSL)83.13%
Lightness16.27%
Dominant channelBlue
Hex per channelR 40 · G 07 · B 4C

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Every value on this page was computed from “40074c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.