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Colour

#A4555E

  • #A4555E
  • Red
  • Dark
  • Nearest: Indian red

#A4555E is a red with RGB values 164, 85, 94 and HSL 353°, 32%, 49%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#A4555E#A4555E
HEX#A4555E
RGBrgb(164, 85, 94)
RGB (0–1)0.6431, 0.3333, 0.3686
RGB percentages64.3%, 33.3%, 36.9%
HSLhsl(353.2, 31.7%, 48.8%)
HSV / HSBhsv(353.2, 48.2%, 64.3%)
CMYK0%, 48.2%, 42.7%, 35.7%naive device-independent conversion; real print needs an ICC profile
24-bit integer10,769,758
CSS custom property--colour: #A4555E;

Brightness & contrast

Relative luminance0.15198WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.2:1
Contrast with white5.2:1WCAG normal text: AA
Contrast with black4.04:1WCAG normal text: Fail
Greyscale equivalent#666666
Inverted#5BAAA1

Colour vision & accessibility

Protanopia#65635Eno red cones; affects about 1% of men; ΔE 34.5 from the original
Deuteranopia#78735Cno green cones; the most common form, about 1% of men; ΔE 35.8 from the original
Tritanopia#B14C58no blue cones; rare, and affects men and women equally; ΔE 9.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.2:1WCAG large text: AAA
Contrast with black, large text4.04:1WCAG large text: AA

Named colours

Nearest named CSS colourIndian red (#CD5C5C)ΔE 18.46, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#55A49B
Analogous#A45586, #A47355
Triadic#5EA455, #555EA4
Split complementary#55A474, #5586A4
Tetradic#86A455, #55A49B, #7355A4

Tints, shades & saturation

Lighter +40%#ECD9DC
Lighter +30%#DAB8BC
Lighter +20%#C9969C
Lighter +10%#B7757C
Darker −10%#82444B
Darker −20%#613237
Darker −30%#3F2124
Darker −40%#1E0F11
More saturated +25%#C33646
Less saturated −25%#857476

Channel breakdown

R164
G85
B94
Red164 (64.3%)
Green85 (33.3%)
Blue94 (36.9%)
Hue353.16°
Saturation (HSL)31.73%
Lightness48.82%
Dominant channelRed
Hex per channelR A4 · G 55 · B 5E

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Every value on this page was computed from “a4555e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.