Colour

#A4555C

#A4555C
Red
Dark
Nearest: Indian red

#A4555C is a red with RGB values 164, 85, 92 and HSL 355°, 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

#A4555C#A4555C

HEX#A4555C

RGBrgb(164, 85, 92)

RGB (0–1)0.6431, 0.3333, 0.3608

RGB percentages64.3%, 33.3%, 36.1%

HSLhsl(354.7, 31.7%, 48.8%)

HSV / HSBhsv(354.7, 48.2%, 64.3%)

CMYK0%, 48.2%, 43.9%, 35.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,769,756

CSS custom property--colour: #A4555C;

Brightness & contrast

Relative luminance0.15162WCAG 2.x, 0 is black and 1 is white

Perceived brightness115.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.21:1

Contrast with white5.21:1WCAG normal text: AA

Contrast with black4.03:1WCAG normal text: Fail

Greyscale equivalent#666666

Inverted#5BAAA3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#65635Cno red cones; affects about 1% of men; ΔE 34.6 from the original

Deuteranopia#79735Ano green cones; the most common form, about 1% of men; ΔE 35.5 from the original

Tritanopia#B14B58no blue cones; rare, and affects men and women equally; ΔE 9.9 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text5.21:1WCAG large text: AAA

Contrast with black, large text4.03:1WCAG large text: AA

Named colours

Indian red · ΔE 17.9 Pale violetred · ΔE 21.9 Light coral · ΔE 24.1 Rosy brown · ΔE 24.4 Sienna · ΔE 25.2 Brown · ΔE 27

Nearest named CSS colourIndian red (#CD5C5C)ΔE 17.88, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#55A49D

Analogous#A45584, #A47655

Triadic#5CA455, #555CA4

Split complementary#55A476, #5584A4

Tetradic#84A455, #55A49D, #7655A4

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#ECD9DB

Lighter +30%#DAB8BB

Lighter +20%#C9969B

Lighter +10%#B7757B

Darker −10%#824449

Darker −20%#613236

Darker −30%#3F2123

Darker −40%#1E0F11

More saturated +25%#C33642

Less saturated −25%#857476

Channel breakdown

R164

G85

B92

Red164 (64.3%)

Green85 (33.3%)

Blue92 (36.1%)

Hue354.68°

Saturation (HSL)31.73%

Lightness48.82%

Dominant channelRed

Hex per channelR A4 · G 55 · B 5C

Keep nerding

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#A4555C

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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