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Colour

#383E4F

  • #383E4F
  • Blue
  • Dark
  • Nearest: Dark slate grey

#383E4F is a blue with RGB values 56, 62, 79 and HSL 224°, 17%, 26%. 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

#383E4F#383E4F
HEX#383E4F
RGBrgb(56, 62, 79)
RGB (0–1)0.2196, 0.2431, 0.3098
RGB percentages22%, 24.3%, 31%
HSLhsl(224.3, 17%, 26.5%)
HSV / HSBhsv(224.3, 29.1%, 31%)
CMYK29.1%, 21.5%, 0%, 69%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,685,967
CSS custom property--colour: #383E4F;

Brightness & contrast

Relative luminance0.04851WCAG 2.x, 0 is black and 1 is white
Perceived brightness62.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.66:1
Contrast with white10.66:1WCAG normal text: AAA
Contrast with black1.97:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#C7C1B0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#393F50no red cones; affects about 1% of men; ΔE 0.4 from the original
Deuteranopia#373D4Fno green cones; the most common form, about 1% of men; ΔE 0.8 from the original
Tritanopia#324144no blue cones; rare, and affects men and women equally; ΔE 10.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.66:1WCAG large text: AAA
Contrast with black, large text1.97:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16.4Dim grey · ΔE 21.3Slate grey · ΔE 26.9Black · ΔE 28.6Gray · ΔE 29.5Light slate grey · ΔE 29.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.36, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4F4938
Analogous#384A4F, #3D384F
Triadic#4F383E, #3E4F38
Split complementary#4F3D38, #4A4F38
Tetradic#4F384A, #4F4938, #384F3D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9BA3B8
Lighter +30%#7D87A3
Lighter +20%#626D8B
Lighter +10%#4D556D
Darker −10%#232731
Darker −20%#0E0F13
Darker −30%#000000
Darker −40%#000000
More saturated +25%#273660
Less saturated −25%#444444

Channel breakdown

R56
G62
B79
Red56 (22%)
Green62 (24.3%)
Blue79 (31%)
Hue224.35°
Saturation (HSL)17.04%
Lightness26.47%
Dominant channelBlue
Hex per channelR 38 · G 3E · B 4F

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Every value on this page was computed from “383e4f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.