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Recognised as Colour

#636B6D

  • #636B6D
  • Grey
  • Dark
  • Nearest: Dim grey

#636B6D is a grey with RGB values 99, 107, 109 and HSL 192°, 5%, 41%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Dim grey.

Colour values

#636B6D#636B6D
HEX#636B6D
RGBrgb(99, 107, 109)
RGB (0–1)0.3882, 0.4196, 0.4275
RGB percentages38.8%, 42%, 42.7%
HSLhsl(192, 4.8%, 40.8%)
HSV / HSBhsv(192, 9.2%, 42.7%)
CMYK9.2%, 1.8%, 0%, 57.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,515,565
CSS custom property--colour: #636B6D;

Brightness & contrast

Relative luminance0.14272WCAG 2.x, 0 is black and 1 is white
Perceived brightness104.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.45:1
Contrast with white5.45:1WCAG normal text: AA
Contrast with black3.85:1WCAG normal text: Fail
Greyscale equivalent#696969
Inverted#9C9492

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#696A6Dno red cones; affects about 1% of men; ΔE 2.9 from the original
Deuteranopia#68696Dno green cones; the most common form, about 1% of men; ΔE 3.1 from the original
Tritanopia#606C6Cno blue cones; rare, and affects men and women equally; ΔE 2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.45:1WCAG large text: AAA
Contrast with black, large text3.85:1WCAG large text: AA

Named colours

Dim grey · ΔE 3.4Gray · ΔE 9.6Slate grey · ΔE 11.8Light slate grey · ΔE 14.4Dark slate grey · ΔE 16.3Cadetblue · ΔE 24.3
Nearest named CSS colourDim grey (#696969)ΔE 3.4, a close match
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6D6563
Analogous#636D6A, #63666D
Triadic#6D636B, #6B6D63
Split complementary#6D6366, #6D6A63
Tetradic#6A636D, #6D6563, #666D63

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CCCFD0
Lighter +30%#B1B7B8
Lighter +20%#969EA0
Lighter +10%#7B8588
Darker −10%#4B5152
Darker −20%#323738
Darker −30%#1A1C1D
Darker −40%#020202
More saturated +25%#497B87
Less saturated −25%#686868

Channel breakdown

R99
G107
B109
Red99 (38.8%)
Green107 (42%)
Blue109 (42.7%)
Hue192°
Saturation (HSL)4.81%
Lightness40.78%
Dominant channelBlue
Hex per channelR 63 · G 6B · B 6D

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Every value on this page was computed from “636b6d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.