Nerdulator> put something in

Colour

#A42D47

  • #A42D47
  • Red
  • Dark
  • Nearest: Brown

#A42D47 is a red with RGB values 164, 45, 71 and HSL 347°, 57%, 41%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#A42D47#A42D47
HEX#A42D47
RGBrgb(164, 45, 71)
RGB (0–1)0.6431, 0.1765, 0.2784
RGB percentages64.3%, 17.6%, 27.8%
HSLhsl(346.9, 56.9%, 41%)
HSV / HSBhsv(346.9, 72.6%, 64.3%)
CMYK0%, 72.6%, 56.7%, 35.7%naive device-independent conversion; real print needs an ICC profile
24-bit integer10,759,495
CSS custom property--colour: #A42D47;

Brightness & contrast

Relative luminance0.10224WCAG 2.x, 0 is black and 1 is white
Perceived brightness99 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.9:1
Contrast with white6.9:1WCAG normal text: AA
Contrast with black3.04:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#5BD2B8

Colour vision & accessibility

Protanopia#4B4A47no red cones; affects about 1% of men; ΔE 52 from the original
Deuteranopia#6A6344no green cones; the most common form, about 1% of men; ΔE 52.8 from the original
Tritanopia#B30F38no blue cones; rare, and affects men and women equally; ΔE 14.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.9:1WCAG large text: AAA
Contrast with black, large text3.04:1WCAG large text: AA

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 17.22, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#2DA48A
Analogous#A42D83, #A44F2D
Triadic#47A42D, #2D47A4
Split complementary#2DA44F, #2D83A4
Tetradic#83A42D, #2DA48A, #4F2DA4

Tints, shades & saturation

Lighter +40%#EAB3BF
Lighter +30%#DF8B9D
Lighter +20%#D4637C
Lighter +10%#C93B5A
Darker −10%#7C2236
Darker −20%#541724
Darker −30%#2C0C13
Darker −40%#040102
More saturated +25%#BE1338
Less saturated −25%#8A4756

Channel breakdown

R164
G45
B71
Red164 (64.3%)
Green45 (17.6%)
Blue71 (27.8%)
Hue346.89°
Saturation (HSL)56.94%
Lightness40.98%
Dominant channelRed
Hex per channelR A4 · G 2D · B 47

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “a42d47” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.