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Recognised as Colour

#38313B

  • #38313B
  • Violet
  • Dark
  • Nearest: Dark slate grey

#38313B is a violet with RGB values 56, 49, 59 and HSL 282°, 9%, 21%. It is a dark colour, so white text on it reaches 12.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#38313B#38313B
HEX#38313B
RGBrgb(56, 49, 59)
RGB (0–1)0.2196, 0.1922, 0.2314
RGB percentages22%, 19.2%, 23.1%
HSLhsl(282, 9.3%, 21.2%)
HSV / HSBhsv(282, 16.9%, 23.1%)
CMYK5.1%, 16.9%, 0%, 76.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,682,619
CSS custom property--colour: #38313B;

Brightness & contrast

Relative luminance0.03353WCAG 2.x, 0 is black and 1 is white
Perceived brightness52.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.57:1
Contrast with white12.57:1WCAG normal text: AAA
Contrast with black1.67:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#C7CEC4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#30333Bno red cones; affects about 1% of men; ΔE 4.7 from the original
Deuteranopia#31343Bno green cones; the most common form, about 1% of men; ΔE 4.9 from the original
Tritanopia#383234no blue cones; rare, and affects men and women equally; ΔE 5.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.57:1WCAG large text: AAA
Contrast with black, large text1.67:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 19.8Black · ΔE 22.7Dim grey · ΔE 24.2Slate grey · ΔE 32.8Gray · ΔE 33Light slate grey · ΔE 35.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 19.81, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#343B31
Analogous#33313B, #3B3139
Triadic#3B3831, #313B38
Split complementary#393B31, #313B33
Tetradic#3B3331, #343B31, #31393B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A093A5
Lighter +30%#87778E
Lighter +20%#6D5F73
Lighter +10%#524857
Darker −10%#1E1A1F
Darker −20%#030303
Darker −30%#000000
Darker −40%#000000
More saturated +25%#3D2449
Less saturated −25%#363636

Channel breakdown

R56
G49
B59
Red56 (22%)
Green49 (19.2%)
Blue59 (23.1%)
Hue282°
Saturation (HSL)9.26%
Lightness21.18%
Dominant channelBlue
Hex per channelR 38 · G 31 · B 3B

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Every value on this page was computed from “38313b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.