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Colour

#47303B

  • #47303B
  • Red
  • Dark
  • Nearest: Dim grey

#47303B is a red with RGB values 71, 48, 59 and HSL 331°, 19%, 23%. It is a dark colour, so white text on it reaches 12:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#47303B#47303B
HEX#47303B
RGBrgb(71, 48, 59)
RGB (0–1)0.2784, 0.1882, 0.2314
RGB percentages27.8%, 18.8%, 23.1%
HSLhsl(331.3, 19.3%, 23.3%)
HSV / HSBhsv(331.3, 32.4%, 27.8%)
CMYK0%, 32.4%, 16.9%, 72.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,665,403
CSS custom property--colour: #47303B;

Brightness & contrast

Relative luminance0.03769WCAG 2.x, 0 is black and 1 is white
Perceived brightness57.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.97:1
Contrast with white11.97:1WCAG normal text: AAA
Contrast with black1.75:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#B8CFC4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#32343Bno red cones; affects about 1% of men; ΔE 11.8 from the original
Deuteranopia#37383Ano green cones; the most common form, about 1% of men; ΔE 12.5 from the original
Tritanopia#4A3034no blue cones; rare, and affects men and women equally; ΔE 5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.97:1WCAG large text: AAA
Contrast with black, large text1.75:1WCAG large text: Fail

Named colours

Dim grey · ΔE 25Dark slate grey · ΔE 25.6Black · ΔE 26.2Gray · ΔE 33.3Slate grey · ΔE 34.2Light slate grey · ΔE 37.1
Nearest named CSS colourDim grey (#696969)ΔE 25.03, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#30473C
Analogous#473046, #473030
Triadic#3B4730, #303B47
Split complementary#304730, #304647
Tetradic#474730, #30473C, #313047

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B48FA1
Lighter +30%#9F7187
Lighter +20%#84596E
Lighter +10%#654554
Darker −10%#291B22
Darker −20%#0A0708
Darker −30%#000000
Darker −40%#000000
More saturated +25%#56213A
Less saturated −25%#3B3B3B

Channel breakdown

R71
G48
B59
Red71 (27.8%)
Green48 (18.8%)
Blue59 (23.1%)
Hue331.3°
Saturation (HSL)19.33%
Lightness23.33%
Dominant channelRed
Hex per channelR 47 · G 30 · B 3B

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Every value on this page was computed from “47303b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.