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Recognised as Colour

#47575F

  • #47575F
  • Blue
  • Dark
  • Nearest: Dark slate grey

#47575F is a blue with RGB values 71, 87, 95 and HSL 200°, 14%, 33%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#47575F#47575F
HEX#47575F
RGBrgb(71, 87, 95)
RGB (0–1)0.2784, 0.3412, 0.3725
RGB percentages27.8%, 34.1%, 37.3%
HSLhsl(200, 14.5%, 32.5%)
HSV / HSBhsv(200, 25.3%, 37.3%)
CMYK25.3%, 8.4%, 0%, 62.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,675,423
CSS custom property--colour: #47575F;

Brightness & contrast

Relative luminance0.08982WCAG 2.x, 0 is black and 1 is white
Perceived brightness83.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.51:1
Contrast with white7.51:1WCAG normal text: AAA
Contrast with black2.8:1WCAG normal text: Fail
Greyscale equivalent#545454
Inverted#B8A8A0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#53565Fno red cones; affects about 1% of men; ΔE 5.2 from the original
Deuteranopia#4F535Fno green cones; the most common form, about 1% of men; ΔE 5.5 from the original
Tritanopia#405959no blue cones; rare, and affects men and women equally; ΔE 6.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.51:1WCAG large text: AAA
Contrast with black, large text2.8:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 9.4Dim grey · ΔE 11.5Slate grey · ΔE 17.4Gray · ΔE 19.3Light slate grey · ΔE 20.5Teal · ΔE 27.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 9.39, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5F4F47
Analogous#475F5B, #474B5F
Triadic#5F4757, #575F47
Split complementary#5F474B, #5F5B47
Tetradic#5B475F, #5F4F47, #4B5F47

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AFBCC3
Lighter +30%#92A4AD
Lighter +20%#758C97
Lighter +10%#5D727C
Darker −10%#313C42
Darker −20%#1B2225
Darker −30%#060707
Darker −40%#000000
More saturated +25%#325E74
Less saturated −25%#535353

Channel breakdown

R71
G87
B95
Red71 (27.8%)
Green87 (34.1%)
Blue95 (37.3%)
Hue200°
Saturation (HSL)14.46%
Lightness32.55%
Dominant channelBlue
Hex per channelR 47 · G 57 · B 5F

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Every value on this page was computed from “47575f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.