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Recognised as Colour

#393B73

  • #393B73
  • Blue
  • Dark
  • Nearest: Dark slateblue

#393B73 is a blue with RGB values 57, 59, 115 and HSL 238°, 34%, 34%. It is a dark colour, so white text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#393B73#393B73
HEX#393B73
RGBrgb(57, 59, 115)
RGB (0–1)0.2235, 0.2314, 0.451
RGB percentages22.4%, 23.1%, 45.1%
HSLhsl(237.9, 33.7%, 33.7%)
HSV / HSBhsv(237.9, 50.4%, 45.1%)
CMYK50.4%, 48.7%, 0%, 54.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,750,771
CSS custom property--colour: #393B73;

Brightness & contrast

Relative luminance0.05236WCAG 2.x, 0 is black and 1 is white
Perceived brightness67.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.26:1
Contrast with white10.26:1WCAG normal text: AAA
Contrast with black2.05:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#C6C48C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#234375no red cones; affects about 1% of men; ΔE 9.7 from the original
Deuteranopia#1F3F72no green cones; the most common form, about 1% of men; ΔE 8.8 from the original
Tritanopia#244751no blue cones; rare, and affects men and women equally; ΔE 34 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.26:1WCAG large text: AAA
Contrast with black, large text2.05:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 14.4Midnight blue · ΔE 25.9Rebecca purple · ΔE 31.2Steel blue · ΔE 32Slate blue · ΔE 36.9Slate grey · ΔE 38.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 14.36, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#737139
Analogous#395873, #543973
Triadic#73393B, #3B7339
Split complementary#735439, #587339
Tetradic#733958, #737139, #397354

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A5A7D3
Lighter +30%#8385C2
Lighter +20%#6164B1
Lighter +10%#4A4C95
Darker −10%#282A51
Darker −20%#17182F
Darker −30%#06070D
Darker −40%#000000
More saturated +25%#242789
Less saturated −25%#4F4F5E

Channel breakdown

R57
G59
B115
Red57 (22.4%)
Green59 (23.1%)
Blue115 (45.1%)
Hue237.93°
Saturation (HSL)33.72%
Lightness33.73%
Dominant channelBlue
Hex per channelR 39 · G 3B · B 73

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Every value on this page was computed from “393b73” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.