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Recognised as Colour

#423A45

  • #423A45
  • Violet
  • Dark
  • Nearest: Dark slate grey

#423A45 is a violet with RGB values 66, 58, 69 and HSL 284°, 9%, 25%. It is a dark colour, so white text on it reaches 10.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#423A45#423A45
HEX#423A45
RGBrgb(66, 58, 69)
RGB (0–1)0.2588, 0.2275, 0.2706
RGB percentages25.9%, 22.7%, 27.1%
HSLhsl(283.6, 8.7%, 24.9%)
HSV / HSBhsv(283.6, 15.9%, 27.1%)
CMYK4.3%, 15.9%, 0%, 72.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,340,293
CSS custom property--colour: #423A45;

Brightness & contrast

Relative luminance0.04614WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.92:1
Contrast with white10.92:1WCAG normal text: AAA
Contrast with black1.92:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#BDC5BA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#393C45no red cones; affects about 1% of men; ΔE 5 from the original
Deuteranopia#3A3D45no green cones; the most common form, about 1% of men; ΔE 5.2 from the original
Tritanopia#423B3Eno blue cones; rare, and affects men and women equally; ΔE 5.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.92:1WCAG large text: AAA
Contrast with black, large text1.92:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 18.6Dim grey · ΔE 20.5Black · ΔE 26.8Slate grey · ΔE 28.8Gray · ΔE 29.1Light slate grey · ΔE 31.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 18.6, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3D453A
Analogous#3D3A45, #453A42
Triadic#45423A, #3A4542
Split complementary#42453A, #3A453D
Tetradic#453D3A, #3D453A, #3A4245

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A99EAD
Lighter +30%#918296
Lighter +20%#77697C
Lighter +10%#5D5161
Darker −10%#272329
Darker −20%#0D0B0E
Darker −30%#000000
Darker −40%#000000
More saturated +25%#492A55
Less saturated −25%#404040

Channel breakdown

R66
G58
B69
Red66 (25.9%)
Green58 (22.7%)
Blue69 (27.1%)
Hue283.64°
Saturation (HSL)8.66%
Lightness24.9%
Dominant channelBlue
Hex per channelR 42 · G 3A · B 45

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Every value on this page was computed from “423a45” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.