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Colour

#383B44

  • #383B44
  • Blue
  • Dark
  • Nearest: Dark slate grey

#383B44 is a blue with RGB values 56, 59, 68 and HSL 225°, 10%, 24%. It is a dark colour, so white text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#383B44#383B44
HEX#383B44
RGBrgb(56, 59, 68)
RGB (0–1)0.2196, 0.2314, 0.2667
RGB percentages22%, 23.1%, 26.7%
HSLhsl(225, 9.7%, 24.3%)
HSV / HSBhsv(225, 17.6%, 26.7%)
CMYK17.6%, 13.2%, 0%, 73.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,685,188
CSS custom property--colour: #383B44;

Brightness & contrast

Relative luminance0.04386WCAG 2.x, 0 is black and 1 is white
Perceived brightness59.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.19:1
Contrast with white11.19:1WCAG normal text: AAA
Contrast with black1.88:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#C7C4BB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#383C44no red cones; affects about 1% of men; ΔE 0.9 from the original
Deuteranopia#383B44no green cones; the most common form, about 1% of men; ΔE 0 from the original
Tritanopia#353D3Eno blue cones; rare, and affects men and women equally; ΔE 5.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.19:1WCAG large text: AAA
Contrast with black, large text1.88:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 14.4Dim grey · ΔE 20.4Black · ΔE 25.6Slate grey · ΔE 28.5Gray · ΔE 29.3Light slate grey · ΔE 31.6
Nearest named CSS colourDark slate grey (#2F4F4F)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#444138
Analogous#384144, #3B3844
Triadic#44383B, #3B4438
Split complementary#443B38, #414438
Tetradic#443841, #444138, #38443B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9BA0AD
Lighter +30%#7F8596
Lighter +20%#666C7C
Lighter +10%#4F5360
Darker −10%#212328
Darker −20%#0A0A0C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#293354
Less saturated −25%#3E3E3E

Channel breakdown

R56
G59
B68
Red56 (22%)
Green59 (23.1%)
Blue68 (26.7%)
Hue225°
Saturation (HSL)9.68%
Lightness24.31%
Dominant channelBlue
Hex per channelR 38 · G 3B · B 44

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Every value on this page was computed from “383b44” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.