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Recognised as Colour

#384E8A

  • #384E8A
  • Blue
  • Dark
  • Nearest: Dark slateblue

#384E8A is a blue with RGB values 56, 78, 138 and HSL 224°, 42%, 38%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#384E8A#384E8A
HEX#384E8A
RGBrgb(56, 78, 138)
RGB (0–1)0.2196, 0.3059, 0.5412
RGB percentages22%, 30.6%, 54.1%
HSLhsl(223.9, 42.3%, 38%)
HSV / HSBhsv(223.9, 59.4%, 54.1%)
CMYK59.4%, 43.5%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,690,122
CSS custom property--colour: #384E8A;

Brightness & contrast

Relative luminance0.08125WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8:1
Contrast with white8:1WCAG normal text: AAA
Contrast with black2.62:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#C7B175

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#34548Cno red cones; affects about 1% of men; ΔE 4.6 from the original
Deuteranopia#294D89no green cones; the most common form, about 1% of men; ΔE 3.1 from the original
Tritanopia#005B65no blue cones; rare, and affects men and women equally; ΔE 38.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8:1WCAG large text: AAA
Contrast with black, large text2.62:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 16.7Steel blue · ΔE 23.9Cornflower blue · ΔE 30.7Midnight blue · ΔE 30.9Rebecca purple · ΔE 33.9Slate grey · ΔE 34.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 16.7, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8A7438
Analogous#38778A, #4B388A
Triadic#8A384E, #4E8A38
Split complementary#8A4B38, #778A38
Tetradic#8A3877, #8A7438, #388A4B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AFBCDF
Lighter +30%#8B9ED0
Lighter +20%#677FC1
Lighter +10%#4763AE
Darker −10%#293966
Darker −20%#1B2541
Darker −30%#0C101D
Darker −40%#000000
More saturated +25%#2043A2
Less saturated −25%#505972

Channel breakdown

R56
G78
B138
Red56 (22%)
Green78 (30.6%)
Blue138 (54.1%)
Hue223.9°
Saturation (HSL)42.27%
Lightness38.04%
Dominant channelBlue
Hex per channelR 38 · G 4E · B 8A

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Every value on this page was computed from “384e8a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.