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Colour

#42036A

  • #42036A
  • Violet
  • Dark
  • Nearest: Indigo

#42036A is a violet with RGB values 66, 3, 106 and HSL 277°, 94%, 21%. It is a dark colour, so white text on it reaches 14.5:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#42036A#42036A
HEX#42036A
RGBrgb(66, 3, 106)
RGB (0–1)0.2588, 0.0118, 0.4157
RGB percentages25.9%, 1.2%, 41.6%
HSLhsl(276.7, 94.5%, 21.4%)
HSV / HSBhsv(276.7, 97.2%, 41.6%)
CMYK37.7%, 97.2%, 0%, 58.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,326,250
CSS custom property--colour: #42036A;

Brightness & contrast

Relative luminance0.02264WCAG 2.x, 0 is black and 1 is white
Perceived brightness50.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.45:1
Contrast with white14.45:1WCAG normal text: AAA
Contrast with black1.45:1WCAG normal text: Fail
Greyscale equivalent#181818
Inverted#BDFC95

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00286Cno red cones; affects about 1% of men; ΔE 26.8 from the original
Deuteranopia#002A68no green cones; the most common form, about 1% of men; ΔE 30.3 from the original
Tritanopia#3A243Cno blue cones; rare, and affects men and women equally; ΔE 43.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14.45:1WCAG large text: AAA
Contrast with black, large text1.45:1WCAG large text: Fail

Named colours

Indigo · ΔE 12.4Midnight blue · ΔE 13.9Rebecca purple · ΔE 16.5Purple · ΔE 20.8Navy · ΔE 21.4Dark slateblue · ΔE 23.2
Nearest named CSS colourIndigo (#4B0082)ΔE 12.45, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2B6A03
Analogous#0F036A, #6A035E
Triadic#6A4203, #036A42
Split complementary#5F6A03, #036A0E
Tetradic#6A0F03, #2B6A03, #035E6A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B13FFA
Lighter +30%#9D0EF8
Lighter +20%#8006CD
Lighter +10%#61049C
Darker −10%#230238
Darker −20%#040007
Darker −30%#000000
Darker −40%#000000
More saturated +25%#43006D
Less saturated −25%#3F115C

Channel breakdown

R66
G3
B106
Red66 (25.9%)
Green3 (1.2%)
Blue106 (41.6%)
Hue276.7°
Saturation (HSL)94.5%
Lightness21.37%
Dominant channelBlue
Hex per channelR 42 · G 03 · B 6A

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Every value on this page was computed from “42036a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.