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Recognised as Colour

#A42F49

  • #A42F49
  • Red
  • Dark
  • Nearest: Brown

#A42F49 is a red with RGB values 164, 47, 73 and HSL 347°, 55%, 41%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#A42F49#A42F49
HEX#A42F49
RGBrgb(164, 47, 73)
RGB (0–1)0.6431, 0.1843, 0.2863
RGB percentages64.3%, 18.4%, 28.6%
HSLhsl(346.7, 55.5%, 41.4%)
HSV / HSBhsv(346.7, 71.3%, 64.3%)
CMYK0%, 71.3%, 55.5%, 35.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,760,009
CSS custom property--colour: #A42F49;

Brightness & contrast

Relative luminance0.10407WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.82:1
Contrast with white6.82:1WCAG normal text: AA
Contrast with black3.08:1WCAG normal text: Fail
Greyscale equivalent#4A4A4A
Inverted#5BD0B6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4C4C49no red cones; affects about 1% of men; ΔE 51.6 from the original
Deuteranopia#6B6446no green cones; the most common form, about 1% of men; ΔE 52.1 from the original
Tritanopia#B3143Ano blue cones; rare, and affects men and women equally; ΔE 14.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.82:1WCAG large text: AAA
Contrast with black, large text3.08:1WCAG large text: AA

Named colours

Brown · ΔE 18.1Indian red · ΔE 18.3Pale violetred · ΔE 25.4Firebrick · ΔE 26Maroon · ΔE 28.7Light coral · ΔE 29.2
Nearest named CSS colourBrown (#A52A2A)ΔE 18.07, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2FA48A
Analogous#A42F83, #A4502F
Triadic#49A42F, #2F49A4
Split complementary#2FA450, #2F83A4
Tetradic#83A42F, #2FA48A, #502FA4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EAB5C1
Lighter +30%#DE8EA0
Lighter +20%#D3667E
Lighter +10%#C83E5D
Darker −10%#7C2437
Darker −20%#551826
Darker −30%#2D0D14
Darker −40%#050202
More saturated +25%#BE153A
Less saturated −25%#8A4958

Channel breakdown

R164
G47
B73
Red164 (64.3%)
Green47 (18.4%)
Blue73 (28.6%)
Hue346.67°
Saturation (HSL)55.45%
Lightness41.37%
Dominant channelRed
Hex per channelR A4 · G 2F · B 49

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Every value on this page was computed from “a42f49” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.