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Recognised as Colour

#A01847

  • #A01847
  • Red
  • Dark
  • Nearest: Brown

#A01847 is a red with RGB values 160, 24, 71 and HSL 339°, 74%, 36%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#A01847#A01847
HEX#A01847
RGBrgb(160, 24, 71)
RGB (0–1)0.6275, 0.0941, 0.2784
RGB percentages62.7%, 9.4%, 27.8%
HSLhsl(339.3, 73.9%, 36.1%)
HSV / HSBhsv(339.3, 85%, 62.7%)
CMYK0%, 85%, 55.6%, 37.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,491,975
CSS custom property--colour: #A01847;

Brightness & contrast

Relative luminance0.08582WCAG 2.x, 0 is black and 1 is white
Perceived brightness92.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.73:1
Contrast with white7.73:1WCAG normal text: AAA
Contrast with black2.72:1WCAG normal text: Fail
Greyscale equivalent#383838
Inverted#5FE7B8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3F4248no red cones; affects about 1% of men; ΔE 57.1 from the original
Deuteranopia#625C44no green cones; the most common form, about 1% of men; ΔE 57.5 from the original
Tritanopia#AF002Eno blue cones; rare, and affects men and women equally; ΔE 19.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.73:1WCAG large text: AAA
Contrast with black, large text2.72:1WCAG large text: Fail

Named colours

Brown · ΔE 22.4Indian red · ΔE 24.8Pale violetred · ΔE 28.5Firebrick · ΔE 29Medium violet red · ΔE 30.3Crimson · ΔE 31.5
Nearest named CSS colourBrown (#A52A2A)ΔE 22.42, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#18A071
Analogous#A0188B, #A02D18
Triadic#47A018, #1847A0
Split complementary#18A02D, #188BA0
Tetradic#8BA018, #18A071, #2D18A0

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EF95B4
Lighter +30%#E86995
Lighter +20%#E23C75
Lighter +10%#CC1F5B
Darker −10%#741133
Darker −20%#470B20
Darker −30%#1B040C
Darker −40%#000000
More saturated +25%#B70140
Less saturated −25%#892F4E

Channel breakdown

R160
G24
B71
Red160 (62.7%)
Green24 (9.4%)
Blue71 (27.8%)
Hue339.26°
Saturation (HSL)73.91%
Lightness36.08%
Dominant channelRed
Hex per channelR A0 · G 18 · B 47

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Every value on this page was computed from “a01847” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.