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Recognised as Colour

#383D49

  • #383D49
  • Blue
  • Dark
  • Nearest: Dark slate grey

#383D49 is a blue with RGB values 56, 61, 73 and HSL 222°, 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

#383D49#383D49
HEX#383D49
RGBrgb(56, 61, 73)
RGB (0–1)0.2196, 0.2392, 0.2863
RGB percentages22%, 23.9%, 28.6%
HSLhsl(222.4, 13.2%, 25.3%)
HSV / HSBhsv(222.4, 23.3%, 28.6%)
CMYK23.3%, 16.4%, 0%, 71.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,685,705
CSS custom property--colour: #383D49;

Brightness & contrast

Relative luminance0.04659WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.87:1
Contrast with white10.87:1WCAG normal text: AAA
Contrast with black1.93:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#C7C2B6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#393E4Ano red cones; affects about 1% of men; ΔE 0.4 from the original
Deuteranopia#383C49no 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 7.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.87:1WCAG large text: AAA
Contrast with black, large text1.93:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 14.5Dim grey · ΔE 20.3Black · ΔE 27Slate grey · ΔE 27.4Gray · ΔE 29Light slate grey · ΔE 30.5
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 14.5, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#494438
Analogous#384649, #3C3849
Triadic#49383D, #3D4938
Split complementary#493C38, #464938
Tetradic#493846, #494438, #38493C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9BA2B2
Lighter +30%#7E879C
Lighter +20%#646D83
Lighter +10%#4E5566
Darker −10%#22252C
Darker −20%#0C0D0F
Darker −30%#000000
Darker −40%#000000
More saturated +25%#283659
Less saturated −25%#414141

Channel breakdown

R56
G61
B73
Red56 (22%)
Green61 (23.9%)
Blue73 (28.6%)
Hue222.35°
Saturation (HSL)13.18%
Lightness25.29%
Dominant channelBlue
Hex per channelR 38 · G 3D · B 49

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Every value on this page was computed from “383d49” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.