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Recognised as Colour

#AA2D07

  • #AA2D07
  • Red
  • Dark
  • Nearest: Firebrick

#AA2D07 is a red with RGB values 170, 45, 7 and HSL 14°, 92%, 35%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#AA2D07#AA2D07
HEX#AA2D07
RGBrgb(170, 45, 7)
RGB (0–1)0.6667, 0.1765, 0.0275
RGB percentages66.7%, 17.6%, 2.7%
HSLhsl(14, 92.1%, 34.7%)
HSV / HSBhsv(14, 95.9%, 66.7%)
CMYK0%, 73.5%, 95.9%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,152,647
CSS custom property--colour: #AA2D07;

Brightness & contrast

Relative luminance0.10438WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.8:1
Contrast with white6.8:1WCAG normal text: AA
Contrast with black3.09:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#55D2F8

Colour vision & accessibility

Protanopia#544900no red cones; affects about 1% of men; ΔE 53.7 from the original
Deuteranopia#726500no green cones; the most common form, about 1% of men; ΔE 54 from the original
Tritanopia#BC0027no blue cones; rare, and affects men and women equally; ΔE 19.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.8:1WCAG large text: AAA
Contrast with black, large text3.09:1WCAG large text: AA

Named colours

Nearest named CSS colourFirebrick (#B22222)ΔE 12.76, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#0784AA
Analogous#AA0733, #AA7E07
Triadic#07AA2D, #2D07AA
Split complementary#07AA7E, #0733AA
Tetradic#33AA07, #0784AA, #7E07AA

Tints, shades & saturation

Lighter +40%#FA9F83
Lighter +30%#F87952
Lighter +20%#F65321
Lighter +10%#DB3A09
Darker −10%#792005
Darker −20%#481303
Darker −30%#170601
Darker −40%#000000
More saturated +25%#B12900
Less saturated −25%#94391D

Channel breakdown

R170
G45
B7
Red170 (66.7%)
Green45 (17.6%)
Blue7 (2.7%)
Hue13.99°
Saturation (HSL)92.09%
Lightness34.71%
Dominant channelRed
Hex per channelR AA · G 2D · B 07

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Every value on this page was computed from “aa2d07” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.