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Recognised as Colour

#423A58

  • #423A58
  • Violet
  • Dark
  • Nearest: Dark slate grey

#423A58 is a violet with RGB values 66, 58, 88 and HSL 256°, 21%, 29%. It is a dark colour, so white text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#423A58#423A58
HEX#423A58
RGBrgb(66, 58, 88)
RGB (0–1)0.2588, 0.2275, 0.3451
RGB percentages25.9%, 22.7%, 34.5%
HSLhsl(256, 20.5%, 28.6%)
HSV / HSBhsv(256, 34.1%, 34.5%)
CMYK25%, 34.1%, 0%, 65.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,340,312
CSS custom property--colour: #423A58;

Brightness & contrast

Relative luminance0.04889WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.62:1
Contrast with white10.62:1WCAG normal text: AAA
Contrast with black1.98:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#BDC5A7

Colour vision & accessibility

Protanopia#333F59no red cones; affects about 1% of men; ΔE 8.1 from the original
Deuteranopia#343E57no green cones; the most common form, about 1% of men; ΔE 7.8 from the original
Tritanopia#3E3F45no blue cones; rare, and affects men and women equally; ΔE 16.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.62:1WCAG large text: AAA
Contrast with black, large text1.98:1WCAG large text: Fail

Named colours

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 26.47, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#50583A
Analogous#3A4158, #513A58
Triadic#58423A, #3A5842
Split complementary#58513A, #41583A
Tetradic#583A41, #50583A, #3A5851

Tints, shades & saturation

Lighter +40%#A79FBF
Lighter +30%#8B80AB
Lighter +20%#706395
Lighter +10%#594E77
Darker −10%#2B2639
Darker −20%#14111B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#39286A
Less saturated −25%#494949

Channel breakdown

R66
G58
B88
Red66 (25.9%)
Green58 (22.7%)
Blue88 (34.5%)
Hue256°
Saturation (HSL)20.55%
Lightness28.63%
Dominant channelBlue
Hex per channelR 42 · G 3A · B 58

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Every value on this page was computed from “423a58” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.