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Recognised as Colour

#645A69

  • #645A69
  • Grey
  • Dark
  • Nearest: Dim grey

#645A69 is a grey with RGB values 100, 90, 105 and HSL 280°, 8%, 38%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Dim grey.

Colour values

#645A69#645A69
HEX#645A69
RGBrgb(100, 90, 105)
RGB (0–1)0.3922, 0.3529, 0.4118
RGB percentages39.2%, 35.3%, 41.2%
HSLhsl(280, 7.7%, 38.2%)
HSV / HSBhsv(280, 14.3%, 41.2%)
CMYK4.8%, 14.3%, 0%, 58.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,576,745
CSS custom property--colour: #645A69;

Brightness & contrast

Relative luminance0.11042WCAG 2.x, 0 is black and 1 is white
Perceived brightness94.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.55:1
Contrast with white6.55:1WCAG normal text: AA
Contrast with black3.21:1WCAG normal text: Fail
Greyscale equivalent#5D5D5D
Inverted#9BA596

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#585D6Ano red cones; affects about 1% of men; ΔE 6.2 from the original
Deuteranopia#5A5E68no green cones; the most common form, about 1% of men; ΔE 6.5 from the original
Tritanopia#645C5Fno 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 text6.55:1WCAG large text: AAA
Contrast with black, large text3.21:1WCAG large text: AA

Named colours

Dim grey · ΔE 11.1Slate grey · ΔE 16.5Gray · ΔE 17.2Light slate grey · ΔE 19.2Dark slate grey · ΔE 20.9Rosy brown · ΔE 29.3
Nearest named CSS colourDim grey (#696969)ΔE 11.14, a distinctly different colour
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5F695A
Analogous#5D5A69, #695A66
Triadic#69645A, #5A6964
Split complementary#66695A, #5A695C
Tetradic#695C5A, #5F695A, #5A6669

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C9C3CC
Lighter +30%#B0A8B4
Lighter +20%#978C9D
Lighter +10%#7E7284
Darker −10%#4A424E
Darker −20%#302B32
Darker −30%#161317
Darker −40%#000000
More saturated +25%#6C4281
Less saturated −25%#626262

Channel breakdown

R100
G90
B105
Red100 (39.2%)
Green90 (35.3%)
Blue105 (41.2%)
Hue280°
Saturation (HSL)7.69%
Lightness38.24%
Dominant channelBlue
Hex per channelR 64 · G 5A · B 69

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Every value on this page was computed from “645a69” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.