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Recognised as Colour

#AC0615

  • #AC0615
  • Red
  • Dark
  • Nearest: Firebrick

#AC0615 is a red with RGB values 172, 6, 21 and HSL 355°, 93%, 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

#AC0615#AC0615
HEX#AC0615
RGBrgb(172, 6, 21)
RGB (0–1)0.6745, 0.0235, 0.0824
RGB percentages67.5%, 2.4%, 8.2%
HSLhsl(354.6, 93.3%, 34.9%)
HSV / HSBhsv(354.6, 96.5%, 67.5%)
CMYK0%, 96.5%, 87.8%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,273,749
CSS custom property--colour: #AC0615;

Brightness & contrast

Relative luminance0.08955WCAG 2.x, 0 is black and 1 is white
Perceived brightness94.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.52:1
Contrast with white7.52:1WCAG normal text: AAA
Contrast with black2.79:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#53F9EA

Colour vision & accessibility

Protanopia#473F12no red cones; affects about 1% of men; ΔE 64.1 from the original
Deuteranopia#6C6008no green cones; the most common form, about 1% of men; ΔE 63.9 from the original
Tritanopia#BE0011no blue cones; rare, and affects men and women equally; ΔE 9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.52:1WCAG large text: AAA
Contrast with black, large text2.79:1WCAG large text: Fail

Named colours

Nearest named CSS colourFirebrick (#B22222)ΔE 5.8, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#06AC9D
Analogous#AC0668, #AC4A06
Triadic#15AC06, #0615AC
Split complementary#06AC4A, #0668AC
Tetradic#68AC06, #06AC9D, #4A06AC

Tints, shades & saturation

Lighter +40%#FB838E
Lighter +30%#F95261
Lighter +20%#F72134
Lighter +10%#DD081B
Darker −10%#7B040F
Darker −20%#490309
Darker −30%#180103
Darker −40%#000000
More saturated +25%#B20010
Less saturated −25%#961C27

Channel breakdown

R172
G6
B21
Red172 (67.5%)
Green6 (2.4%)
Blue21 (8.2%)
Hue354.58°
Saturation (HSL)93.26%
Lightness34.9%
Dominant channelRed
Hex per channelR AC · G 06 · B 15

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Every value on this page was computed from “ac0615” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.