Nerdulator> put something in

Recognised as Colour

#645B60

  • #645B60
  • Grey
  • Dark
  • Nearest: Dim grey

#645B60 is a grey with RGB values 100, 91, 96 and HSL 327°, 5%, 37%. 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

#645B60#645B60
HEX#645B60
RGBrgb(100, 91, 96)
RGB (0–1)0.3922, 0.3569, 0.3765
RGB percentages39.2%, 35.7%, 37.6%
HSLhsl(326.7, 4.7%, 37.5%)
HSV / HSBhsv(326.7, 9%, 39.2%)
CMYK0%, 9%, 4%, 60.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,576,992
CSS custom property--colour: #645B60;

Brightness & contrast

Relative luminance0.11036WCAG 2.x, 0 is black and 1 is white
Perceived brightness94.3 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#9BA49F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5B5D60no red cones; affects about 1% of men; ΔE 4.8 from the original
Deuteranopia#5D5E60no green cones; the most common form, about 1% of men; ΔE 4.6 from the original
Tritanopia#655B5Dno blue cones; rare, and affects men and women equally; ΔE 1.9 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 6.8Gray · ΔE 14.8Slate grey · ΔE 17.4Dark slate grey · ΔE 18.5Light slate grey · ΔE 20.1Rosy brown · ΔE 28.2
Nearest named CSS colourDim grey (#696969)ΔE 6.82, clearly different but related
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5B645F
Analogous#645B64, #645B5B
Triadic#60645B, #5B6064
Split complementary#5C645B, #5B6464
Tetradic#64645B, #5B645F, #5B5B64

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C8C3C6
Lighter +30%#B0A8AC
Lighter +20%#988D93
Lighter +10%#7F737A
Darker −10%#494346
Darker −20%#2F2A2D
Darker −30%#141213
Darker −40%#000000
More saturated +25%#7C4363
Less saturated −25%#606060

Channel breakdown

R100
G91
B96
Red100 (39.2%)
Green91 (35.7%)
Blue96 (37.6%)
Hue326.67°
Saturation (HSL)4.71%
Lightness37.45%
Dominant channelRed
Hex per channelR 64 · G 5B · B 60

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “645b60” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.