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Colour

#A41447

  • #A41447
  • Red
  • Dark
  • Nearest: Brown

#A41447 is a red with RGB values 164, 20, 71 and HSL 339°, 78%, 36%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#A41447#A41447
HEX#A41447
RGBrgb(164, 20, 71)
RGB (0–1)0.6431, 0.0784, 0.2784
RGB percentages64.3%, 7.8%, 27.8%
HSLhsl(338.8, 78.3%, 36.1%)
HSV / HSBhsv(338.8, 87.8%, 64.3%)
CMYK0%, 87.8%, 56.7%, 35.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,753,095
CSS custom property--colour: #A41447;

Brightness & contrast

Relative luminance0.08848WCAG 2.x, 0 is black and 1 is white
Perceived brightness94.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.58:1
Contrast with white7.58:1WCAG normal text: AAA
Contrast with black2.77:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#5BEBB8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#404248no red cones; affects about 1% of men; ΔE 58.8 from the original
Deuteranopia#645E43no green cones; the most common form, about 1% of men; ΔE 60 from the original
Tritanopia#B4002Dno blue cones; rare, and affects men and women equally; ΔE 20.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.58:1WCAG large text: AAA
Contrast with black, large text2.77:1WCAG large text: Fail

Named colours

Brown · ΔE 22.1Indian red · ΔE 24.9Firebrick · ΔE 28.1Pale violetred · ΔE 29.1Crimson · ΔE 29.7Medium violet red · ΔE 29.9
Nearest named CSS colourBrown (#A52A2A)ΔE 22.12, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#14A471
Analogous#A4148F, #A42914
Triadic#47A414, #1447A4
Split complementary#14A429, #148FA4
Tetradic#8FA414, #14A471, #2914A4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F292B4
Lighter +30%#EC6595
Lighter +20%#E73775
Lighter +10%#D11A5B
Darker −10%#770E33
Darker −20%#490920
Darker −30%#1C030C
Darker −40%#000000
More saturated +25%#B80041
Less saturated −25%#8D2B4E

Channel breakdown

R164
G20
B71
Red164 (64.3%)
Green20 (7.8%)
Blue71 (27.8%)
Hue338.75°
Saturation (HSL)78.26%
Lightness36.08%
Dominant channelRed
Hex per channelR A4 · G 14 · B 47

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Every value on this page was computed from “a41447” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.