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Recognised as Colour

#42008F

  • #42008F
  • Violet
  • Dark
  • Nearest: Indigo

#42008F is a violet with RGB values 66, 0, 143 and HSL 268°, 100%, 28%. It is a dark colour, so white text on it reaches 12.9:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#42008F#42008F
HEX#42008F
RGBrgb(66, 0, 143)
RGB (0–1)0.2588, 0, 0.5608
RGB percentages25.9%, 0%, 56.1%
HSLhsl(267.7, 100%, 28%)
HSV / HSBhsv(267.7, 100%, 56.1%)
CMYK53.8%, 100%, 0%, 43.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,325,519
CSS custom property--colour: #42008F;

Brightness & contrast

Relative luminance0.03141WCAG 2.x, 0 is black and 1 is white
Perceived brightness60.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.9:1
Contrast with white12.9:1WCAG normal text: AAA
Contrast with black1.63:1WCAG normal text: Fail
Greyscale equivalent#181818
Inverted#BDFF70

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003392no red cones; affects about 1% of men; ΔE 28.7 from the original
Deuteranopia#002F8Dno green cones; the most common form, about 1% of men; ΔE 27.9 from the original
Tritanopia#263652no blue cones; rare, and affects men and women equally; ΔE 66.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.9:1WCAG large text: AAA
Contrast with black, large text1.63:1WCAG large text: Fail

Named colours

Indigo · ΔE 8.3Dark blue · ΔE 10Navy · ΔE 10.5Rebecca purple · ΔE 21.7Dark orchid · ΔE 25.5Midnight blue · ΔE 25.5
Nearest named CSS colourIndigo (#4B0082)ΔE 8.28, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4D8F00
Analogous#00068F, #89008F
Triadic#8F4200, #008F42
Split complementary#8F8900, #068F00
Tetradic#8F0006, #4D8F00, #008F89

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A75CFF
Lighter +30%#8C29FF
Lighter +20%#7100F5
Lighter +10%#5A00C2
Darker −10%#2A005C
Darker −20%#130029
Darker −30%#000000
Darker −40%#000000
More saturated +25%#42008F
Less saturated −25%#43127D

Channel breakdown

R66
G0
B143
Red66 (25.9%)
Green0 (0%)
Blue143 (56.1%)
Hue267.69°
Saturation (HSL)100%
Lightness28.04%
Dominant channelBlue
Hex per channelR 42 · G 00 · B 8F

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Every value on this page was computed from “42008f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.