Recognised as Colour
#AC0729
- #AC0729
- Red
- Dark
- Nearest: Firebrick
#AC0729 is a red with RGB values 172, 7, 41 and HSL 348°, 92%, 35%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Firebrick.
Colour values
#AC0729#AC0729
HEX#AC0729
RGBrgb(172, 7, 41)
RGB (0–1)0.6745, 0.0275, 0.1608
RGB percentages67.5%, 2.7%, 16.1%
HSLhsl(347.6, 92.2%, 35.1%)
HSV / HSBhsv(347.6, 95.9%, 67.5%)
CMYK0%, 95.9%, 76.2%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,274,025
CSS custom property--colour: #AC0729;
Brightness & contrast
Relative luminance0.09083WCAG 2.x, 0 is black and 1 is white
Perceived brightness95.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.46:1
Contrast with white7.46:1WCAG normal text: AAA
Contrast with black2.82:1WCAG normal text: Fail
Greyscale equivalent#2D2D2D
Inverted#53F8D6
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.46:1WCAG large text: AAA
Contrast with black, large text2.82:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#07AC8A
Analogous#AC077C, #AC3707
Triadic#29AC07, #0729AC
Split complementary#07AC38, #077CAC
Tetradic#7CAC07, #07AC8A, #3807AC
Tints, shades & saturation
Channel breakdown
R172
G7
B41
Red172 (67.5%)
Green7 (2.7%)
Blue41 (16.1%)
Hue347.64°
Saturation (HSL)92.18%
Lightness35.1%
Dominant channelRed
Hex per channelR AC · G 07 · B 29
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