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Recognised as Colour

#AD1648

  • #AD1648
  • Red
  • Dark
  • Nearest: Brown

#AD1648 is a red with RGB values 173, 22, 72 and HSL 340°, 77%, 38%. It is a dark colour, so white text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#AD1648#AD1648
HEX#AD1648
RGBrgb(173, 22, 72)
RGB (0–1)0.6784, 0.0863, 0.2824
RGB percentages67.8%, 8.6%, 28.2%
HSLhsl(340.1, 77.4%, 38.2%)
HSV / HSBhsv(340.1, 87.3%, 67.8%)
CMYK0%, 87.3%, 58.4%, 32.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,343,432
CSS custom property--colour: #AD1648;

Brightness & contrast

Relative luminance0.09926WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.03:1
Contrast with white7.03:1WCAG normal text: AAA
Contrast with black2.99:1WCAG normal text: Fail
Greyscale equivalent#3A3A3A
Inverted#52E9B7

Colour vision & accessibility

Protanopia#454649no red cones; affects about 1% of men; ΔE 61.2 from the original
Deuteranopia#6B6344no green cones; the most common form, about 1% of men; ΔE 61.7 from the original
Tritanopia#BE002Eno blue cones; rare, and affects men and women equally; ΔE 20.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.03:1WCAG large text: AAA
Contrast with black, large text2.99:1WCAG large text: Fail

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 20.63, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#16AD7B
Analogous#AD1694, #AD3016
Triadic#48AD16, #1648AD
Split complementary#16AD30, #1694AD
Tetradic#94AD16, #16AD7B, #2F16AD

Tints, shades & saturation

Lighter +40%#F29DB9
Lighter +30%#ED6F99
Lighter +20%#E74279
Lighter +10%#DA1C5B
Darker −10%#801035
Darker −20%#530A22
Darker −30%#250510
Darker −40%#000000
More saturated +25%#C30041
Less saturated −25%#952E50

Channel breakdown

R173
G22
B72
Red173 (67.8%)
Green22 (8.6%)
Blue72 (28.2%)
Hue340.13°
Saturation (HSL)77.44%
Lightness38.24%
Dominant channelRed
Hex per channelR AD · G 16 · B 48

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Every value on this page was computed from “ad1648” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.