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Recognised as Colour

#A40449

  • #A40449
  • Red
  • Dark
  • Nearest: Brown

#A40449 is a red with RGB values 164, 4, 73 and HSL 334°, 95%, 33%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#A40449#A40449
HEX#A40449
RGBrgb(164, 4, 73)
RGB (0–1)0.6431, 0.0157, 0.2863
RGB percentages64.3%, 1.6%, 28.6%
HSLhsl(334.1, 95.2%, 32.9%)
HSV / HSBhsv(334.1, 97.6%, 64.3%)
CMYK0%, 97.6%, 55.5%, 35.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,749,001
CSS custom property--colour: #A40449;

Brightness & contrast

Relative luminance0.0846WCAG 2.x, 0 is black and 1 is white
Perceived brightness93.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.8:1
Contrast with white7.8:1WCAG normal text: AAA
Contrast with black2.69:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#5BFBB6

Colour vision & accessibility

Protanopia#3B3F4Ano red cones; affects about 1% of men; ΔE 61 from the original
Deuteranopia#625C45no green cones; the most common form, about 1% of men; ΔE 61.9 from the original
Tritanopia#B4002Ano blue cones; rare, and affects men and women equally; ΔE 24.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.8:1WCAG large text: AAA
Contrast with black, large text2.69:1WCAG large text: Fail

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 25.32, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#04A45F
Analogous#A40499, #A40F04
Triadic#49A404, #0449A4
Split complementary#04A40F, #0499A4
Tetradic#99A404, #04A45F, #0F04A4

Tints, shades & saturation

Lighter +40%#FC78B1
Lighter +30%#FB4794
Lighter +20%#F91577
Lighter +10%#D6055F
Darker −10%#720333
Darker −20%#40021D
Darker −30%#0F0007
Darker −40%#000000
More saturated +25%#A80048
Less saturated −25%#8F194C

Channel breakdown

R164
G4
B73
Red164 (64.3%)
Green4 (1.6%)
Blue73 (28.6%)
Hue334.13°
Saturation (HSL)95.24%
Lightness32.94%
Dominant channelRed
Hex per channelR A4 · G 04 · B 49

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Every value on this page was computed from “a40449” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.