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Recognised as Colour

#683F46

  • #683F46
  • Red
  • Dark
  • Nearest: Dim grey

#683F46 is a red with RGB values 104, 63, 70 and HSL 350°, 25%, 33%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#683F46#683F46
HEX#683F46
RGBrgb(104, 63, 70)
RGB (0–1)0.4078, 0.2471, 0.2745
RGB percentages40.8%, 24.7%, 27.5%
HSLhsl(349.8, 24.6%, 32.7%)
HSV / HSBhsv(349.8, 39.4%, 40.8%)
CMYK0%, 39.4%, 32.7%, 59.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,831,942
CSS custom property--colour: #683F46;

Brightness & contrast

Relative luminance0.0694WCAG 2.x, 0 is black and 1 is white
Perceived brightness78.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.79:1
Contrast with white8.79:1WCAG normal text: AAA
Contrast with black2.39:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#97C0B9

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#464646no red cones; affects about 1% of men; ΔE 19.3 from the original
Deuteranopia#504D45no green cones; the most common form, about 1% of men; ΔE 19.4 from the original
Tritanopia#6F3B41no blue cones; rare, and affects men and women equally; ΔE 5.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.79:1WCAG large text: AAA
Contrast with black, large text2.39:1WCAG large text: Fail

Named colours

Dim grey · ΔE 23Gray · ΔE 29.1Dark slate grey · ΔE 31.4Rosy brown · ΔE 32.2Slate grey · ΔE 32.9Light slate grey · ΔE 35.3
Nearest named CSS colourDim grey (#696969)ΔE 23.05, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3F6861
Analogous#683F5A, #684C3F
Triadic#46683F, #3F4668
Split complementary#3F684C, #3F5A68
Tetradic#5A683F, #3F6861, #4C3F68

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CBA8AE
Lighter +30%#B78991
Lighter +20%#A46973
Lighter +10%#88525B
Darker −10%#482C31
Darker −20%#28191B
Darker −30%#090506
Darker −40%#000000
More saturated +25%#7D2A38
Less saturated −25%#535353

Channel breakdown

R104
G63
B70
Red104 (40.8%)
Green63 (24.7%)
Blue70 (27.5%)
Hue349.76°
Saturation (HSL)24.55%
Lightness32.75%
Dominant channelRed
Hex per channelR 68 · G 3F · B 46

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Every value on this page was computed from “683f46” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.