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Colour

#A5220A

  • #A5220A
  • Red
  • Dark
  • Nearest: Dark red

#A5220A is a red with RGB values 165, 34, 10 and HSL 9°, 89%, 34%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Dark red.

Colour values

#A5220A#A5220A
HEX#A5220A
RGBrgb(165, 34, 10)
RGB (0–1)0.6471, 0.1333, 0.0392
RGB percentages64.7%, 13.3%, 3.9%
HSLhsl(9.3, 88.6%, 34.3%)
HSV / HSBhsv(9.3, 93.9%, 64.7%)
CMYK0%, 79.4%, 93.9%, 35.3%naive device-independent conversion; real print needs an ICC profile
24-bit integer10,822,154
CSS custom property--colour: #A5220A;

Brightness & contrast

Relative luminance0.09165WCAG 2.x, 0 is black and 1 is white
Perceived brightness94 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.41:1
Contrast with white7.41:1WCAG normal text: AAA
Contrast with black2.83:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#5ADDF5

Colour vision & accessibility

Protanopia#4D4303no red cones; affects about 1% of men; ΔE 55.7 from the original
Deuteranopia#6C6000no green cones; the most common form, about 1% of men; ΔE 56.3 from the original
Tritanopia#B6001Fno blue cones; rare, and affects men and women equally; ΔE 13.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.41:1WCAG large text: AAA
Contrast with black, large text2.83:1WCAG large text: Fail

Named colours

Nearest named CSS colourDark red (#8B0000)ΔE 9.29, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#0A8DA5
Analogous#A50A3F, #A5700A
Triadic#0AA522, #220AA5
Split complementary#0AA56F, #0A40A5
Tetradic#40A50A, #0A8DA5, #6F0AA5

Tints, shades & saturation

Lighter +40%#F89583
Lighter +30%#F56C53
Lighter +20%#F24323
Lighter +10%#D52C0D
Darker −10%#751807
Darker −20%#450E04
Darker −30%#150401
Darker −40%#000000
More saturated +25%#AF1B00
Less saturated −25%#8F3120

Channel breakdown

R165
G34
B10
Red165 (64.7%)
Green34 (13.3%)
Blue10 (3.9%)
Hue9.29°
Saturation (HSL)88.57%
Lightness34.31%
Dominant channelRed
Hex per channelR A5 · G 22 · B 0A

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Every value on this page was computed from “a5220a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.