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Colour

#383D48

  • #383D48
  • Blue
  • Dark
  • Nearest: Dark slate grey

#383D48 is a blue with RGB values 56, 61, 72 and HSL 221°, 13%, 25%. It is a dark colour, so white text on it reaches 10.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#383D48#383D48
HEX#383D48
RGBrgb(56, 61, 72)
RGB (0–1)0.2196, 0.2392, 0.2824
RGB percentages22%, 23.9%, 28.2%
HSLhsl(221.3, 12.5%, 25.1%)
HSV / HSBhsv(221.3, 22.2%, 28.2%)
CMYK22.2%, 15.3%, 0%, 71.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,685,704
CSS custom property--colour: #383D48;

Brightness & contrast

Relative luminance0.04646WCAG 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 10.89:1
Contrast with white10.89:1WCAG normal text: AAA
Contrast with black1.93:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#C7C2B7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3A3E49no red cones; affects about 1% of men; ΔE 0.7 from the original
Deuteranopia#383C48no green cones; the most common form, about 1% of men; ΔE 0.9 from the original
Tritanopia#343F41no blue cones; rare, and affects men and women equally; ΔE 6.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.89:1WCAG large text: AAA
Contrast with black, large text1.93:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 14.1Dim grey · ΔE 20.1Black · ΔE 26.8Slate grey · ΔE 27.5Gray · ΔE 28.9Light slate grey · ΔE 30.6
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 14.11, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#484338
Analogous#384548, #3B3848
Triadic#48383D, #3D4838
Split complementary#483B38, #454838
Tetradic#483845, #484338, #38483B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9BA2B1
Lighter +30%#7E879B
Lighter +20%#656E81
Lighter +10%#4E5565
Darker −10%#22252B
Darker −20%#0B0C0F
Darker −30%#000000
Darker −40%#000000
More saturated +25%#283758
Less saturated −25%#404040

Channel breakdown

R56
G61
B72
Red56 (22%)
Green61 (23.9%)
Blue72 (28.2%)
Hue221.25°
Saturation (HSL)12.5%
Lightness25.1%
Dominant channelBlue
Hex per channelR 38 · G 3D · B 48

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Every value on this page was computed from “383d48” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.