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Recognised as Colour

#393A52

  • #393A52
  • Blue
  • Dark
  • Nearest: Dark slate grey

#393A52 is a blue with RGB values 57, 58, 82 and HSL 238°, 18%, 27%. It is a dark colour, so white text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#393A52#393A52
HEX#393A52
RGBrgb(57, 58, 82)
RGB (0–1)0.2235, 0.2275, 0.3216
RGB percentages22.4%, 22.7%, 32.2%
HSLhsl(237.6, 18%, 27.3%)
HSV / HSBhsv(237.6, 30.5%, 32.2%)
CMYK30.5%, 29.3%, 0%, 67.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,750,482
CSS custom property--colour: #393A52;

Brightness & contrast

Relative luminance0.04505WCAG 2.x, 0 is black and 1 is white
Perceived brightness60.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.05:1
Contrast with white11.05:1WCAG normal text: AAA
Contrast with black1.9:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#C6C5AD

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#333D53no red cones; affects about 1% of men; ΔE 3.8 from the original
Deuteranopia#323B51no green cones; the most common form, about 1% of men; ΔE 3.4 from the original
Tritanopia#333E42no blue cones; rare, and affects men and women equally; ΔE 14.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.05:1WCAG large text: AAA
Contrast with black, large text1.9:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 21.6Dim grey · ΔE 24.8Slate grey · ΔE 29Black · ΔE 29.8Light slate grey · ΔE 31.9Gray · ΔE 32.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 21.59, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#525139
Analogous#394752, #453952
Triadic#52393A, #3A5239
Split complementary#524539, #475239
Tetradic#523947, #525139, #395245

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9C9EBB
Lighter +30%#7E80A6
Lighter +20%#63658E
Lighter +10%#4E4F70
Darker −10%#242534
Darker −20%#0F0F16
Darker −30%#000000
Darker −40%#000000
More saturated +25%#282A63
Less saturated −25%#464646

Channel breakdown

R57
G58
B82
Red57 (22.4%)
Green58 (22.7%)
Blue82 (32.2%)
Hue237.6°
Saturation (HSL)17.99%
Lightness27.25%
Dominant channelBlue
Hex per channelR 39 · G 3A · B 52

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Every value on this page was computed from “393a52” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.