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Recognised as Colour

#AB0516

  • #AB0516
  • Red
  • Dark
  • Nearest: Firebrick

#AB0516 is a red with RGB values 171, 5, 22 and HSL 354°, 94%, 35%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#AB0516#AB0516
HEX#AB0516
RGBrgb(171, 5, 22)
RGB (0–1)0.6706, 0.0196, 0.0863
RGB percentages67.1%, 2%, 8.6%
HSLhsl(353.9, 94.3%, 34.5%)
HSV / HSBhsv(353.9, 97.1%, 67.1%)
CMYK0%, 97.1%, 87.1%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,207,958
CSS custom property--colour: #AB0516;

Brightness & contrast

Relative luminance0.08824WCAG 2.x, 0 is black and 1 is white
Perceived brightness93.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.6:1
Contrast with white7.6:1WCAG normal text: AAA
Contrast with black2.76:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#54FAE9

Colour vision & accessibility

Protanopia#463E14no red cones; affects about 1% of men; ΔE 63.9 from the original
Deuteranopia#6C5F0Ano green cones; the most common form, about 1% of men; ΔE 63.2 from the original
Tritanopia#BD0011no blue cones; rare, and affects men and women equally; ΔE 9.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.6:1WCAG large text: AAA
Contrast with black, large text2.76:1WCAG large text: Fail

Named colours

Nearest named CSS colourFirebrick (#B22222)ΔE 5.43, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#05AB9A
Analogous#AB0569, #AB4705
Triadic#16AB05, #0516AB
Split complementary#05AB47, #0569AB
Tetradic#69AB05, #05AB9A, #4705AB

Tints, shades & saturation

Lighter +40%#FB818D
Lighter +30%#FA4F61
Lighter +20%#F81E34
Lighter +10%#DD061C
Darker −10%#790410
Darker −20%#480209
Darker −30%#160103
Darker −40%#000000
More saturated +25%#B00012
Less saturated −25%#951B27

Channel breakdown

R171
G5
B22
Red171 (67.1%)
Green5 (2%)
Blue22 (8.6%)
Hue353.86°
Saturation (HSL)94.32%
Lightness34.51%
Dominant channelRed
Hex per channelR AB · G 05 · B 16

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Every value on this page was computed from “ab0516” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.