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Recognised as Colour

#423A56

  • #423A56
  • Violet
  • Dark
  • Nearest: Dark slate grey

#423A56 is a violet with RGB values 66, 58, 86 and HSL 257°, 19%, 28%. It is a dark colour, so white text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#423A56#423A56
HEX#423A56
RGBrgb(66, 58, 86)
RGB (0–1)0.2588, 0.2275, 0.3373
RGB percentages25.9%, 22.7%, 33.7%
HSLhsl(257.1, 19.4%, 28.2%)
HSV / HSBhsv(257.1, 32.6%, 33.7%)
CMYK23.3%, 32.6%, 0%, 66.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,340,310
CSS custom property--colour: #423A56;

Brightness & contrast

Relative luminance0.04856WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.65:1
Contrast with white10.65:1WCAG normal text: AAA
Contrast with black1.97:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#BDC5A9

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#343E57no red cones; affects about 1% of men; ΔE 7.2 from the original
Deuteranopia#353E55no green cones; the most common form, about 1% of men; ΔE 7.5 from the original
Tritanopia#3E3E44no blue cones; rare, and affects men and women equally; ΔE 14.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.65:1WCAG large text: AAA
Contrast with black, large text1.97:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 25.5Dim grey · ΔE 26Slate grey · ΔE 29.7Dark slateblue · ΔE 31.2Black · ΔE 32.3Light slate grey · ΔE 32.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 25.46, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4E563A
Analogous#3A4056, #503A56
Triadic#56423A, #3A5642
Split complementary#56503A, #40563A
Tetradic#563A40, #4E563A, #3A5650

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A79EBE
Lighter +30%#8C80A9
Lighter +20%#716393
Lighter +10%#594F74
Darker −10%#2B2538
Darker −20%#131119
Darker −30%#000000
Darker −40%#000000
More saturated +25%#3A2868
Less saturated −25%#484848

Channel breakdown

R66
G58
B86
Red66 (25.9%)
Green58 (22.7%)
Blue86 (33.7%)
Hue257.14°
Saturation (HSL)19.44%
Lightness28.24%
Dominant channelBlue
Hex per channelR 42 · G 3A · B 56

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Every value on this page was computed from “423a56” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.