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Recognised as Colour

#A50906

  • #A50906
  • Red
  • Dark
  • Nearest: Firebrick

#A50906 is a red with RGB values 165, 9, 6 and HSL 1°, 93%, 34%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#A50906#A50906
HEX#A50906
RGBrgb(165, 9, 6)
RGB (0–1)0.6471, 0.0353, 0.0235
RGB percentages64.7%, 3.5%, 2.4%
HSLhsl(1.1, 93%, 33.5%)
HSV / HSBhsv(1.1, 96.4%, 64.7%)
CMYK0%, 94.5%, 96.4%, 35.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,815,750
CSS custom property--colour: #A50906;

Brightness & contrast

Relative luminance0.08208WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.95:1
Contrast with white7.95:1WCAG normal text: AAA
Contrast with black2.64:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#5AF6F9

Colour vision & accessibility

Protanopia#453C01no red cones; affects about 1% of men; ΔE 61.5 from the original
Deuteranopia#695C00no green cones; the most common form, about 1% of men; ΔE 60.7 from the original
Tritanopia#B7000Eno blue cones; rare, and affects men and women equally; ΔE 7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.95:1WCAG large text: AAA
Contrast with black, large text2.64:1WCAG large text: Fail

Named colours

Nearest named CSS colourFirebrick (#B22222)ΔE 9.61, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#06A2A5
Analogous#A50652, #A55806
Triadic#06A509, #0906A5
Split complementary#06A558, #0653A5
Tetradic#53A506, #06A2A5, #5806A5

Tints, shades & saturation

Lighter +40%#FA7F7D
Lighter +30%#F84F4C
Lighter +20%#F71E1A
Lighter +10%#D60C08
Darker −10%#740604
Darker −20%#430402
Darker −30%#110101
Darker −40%#000000
More saturated +25%#AB0300
Less saturated −25%#901E1B

Channel breakdown

R165
G9
B6
Red165 (64.7%)
Green9 (3.5%)
Blue6 (2.4%)
Hue1.13°
Saturation (HSL)92.98%
Lightness33.53%
Dominant channelRed
Hex per channelR A5 · G 09 · B 06

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Every value on this page was computed from “a50906” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.