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Recognised as Colour

#A23521

  • #A23521
  • Red
  • Dark
  • Nearest: Brown

#A23521 is a red with RGB values 162, 53, 33 and HSL 9°, 66%, 38%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#A23521#A23521
HEX#A23521
RGBrgb(162, 53, 33)
RGB (0–1)0.6353, 0.2078, 0.1294
RGB percentages63.5%, 20.8%, 12.9%
HSLhsl(9.3, 66.2%, 38.2%)
HSV / HSBhsv(9.3, 79.6%, 63.5%)
CMYK0%, 67.3%, 79.6%, 36.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,630,433
CSS custom property--colour: #A23521;

Brightness & contrast

Relative luminance0.10337WCAG 2.x, 0 is black and 1 is white
Perceived brightness98.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.85:1
Contrast with white6.85:1WCAG normal text: AA
Contrast with black3.07:1WCAG normal text: Fail
Greyscale equivalent#4B4B4B
Inverted#5DCADE

Colour vision & accessibility

Protanopia#544B1Eno red cones; affects about 1% of men; ΔE 47.9 from the original
Deuteranopia#6F631Dno green cones; the most common form, about 1% of men; ΔE 48 from the original
Tritanopia#B31431no blue cones; rare, and affects men and women equally; ΔE 18.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.85:1WCAG large text: AAA
Contrast with black, large text3.07:1WCAG large text: AA

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 8.33, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#218EA2
Analogous#A2214E, #A27521
Triadic#21A235, #3521A2
Split complementary#21A275, #214EA2
Tetradic#4EA221, #218EA2, #7521A2

Tints, shades & saturation

Lighter +40%#ECAEA3
Lighter +30%#E48978
Lighter +20%#DB644E
Lighter +10%#CC432A
Darker −10%#782718
Darker −20%#4D1910
Darker −30%#230B07
Darker −40%#000000
More saturated +25%#BA2409
Less saturated −25%#8A4639

Channel breakdown

R162
G53
B33
Red162 (63.5%)
Green53 (20.8%)
Blue33 (12.9%)
Hue9.3°
Saturation (HSL)66.15%
Lightness38.24%
Dominant channelRed
Hex per channelR A2 · G 35 · B 21

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Every value on this page was computed from “a23521” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.