Recognised as Colour

#AD0331

#AD0331
Red
Dark
Nearest: Brown

#AD0331 is a red with RGB values 173, 3, 49 and HSL 344°, 97%, 35%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#AD0331#AD0331

HEX#AD0331

RGBrgb(173, 3, 49)

RGB (0–1)0.6784, 0.0118, 0.1922

RGB percentages67.8%, 1.2%, 19.2%

HSLhsl(343.8, 96.6%, 34.5%)

HSV / HSBhsv(343.8, 98.3%, 67.8%)

CMYK0%, 98.3%, 71.7%, 32.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,338,545

CSS custom property--colour: #AD0331;

Brightness & contrast

Relative luminance0.09171WCAG 2.x, 0 is black and 1 is white

Perceived brightness96.1 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#2A2A2A

Inverted#52FCCE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#444031no red cones; affects about 1% of men; ΔE 64.4 from the original

Deuteranopia#6B612Cno green cones; the most common form, about 1% of men; ΔE 64.6 from the original

Tritanopia#BF001Cno blue cones; rare, and affects men and women equally; ΔE 18.2 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

Brown · ΔE 12.3 Firebrick · ΔE 13.6 Crimson · ΔE 17 Dark red · ΔE 20.5 Maroon · ΔE 21 Indian red · ΔE 23.5

Nearest named CSS colourBrown (#A52A2A)ΔE 12.28, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#03AD7F

Analogous#AD0386, #AD2A03

Triadic#31AD03, #0331AD

Split complementary#03AD2A, #0386AD

Tetradic#86AD03, #03AD7F, #2A03AD

Tints, shades & saturation

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

Lighter +40%#FD7FA1

Lighter +30%#FC4D7C

Lighter +20%#FB1B58

Lighter +10%#DF043F

Darker −10%#7B0223

Darker −20%#490115

Darker −30%#170006

Darker −40%#000000

More saturated +25%#B00030

Less saturated −25%#97193B

Channel breakdown

R173

B49

Red173 (67.8%)

Green3 (1.2%)

Blue49 (19.2%)

Hue343.76°

Saturation (HSL)96.59%

Lightness34.51%

Dominant channelRed

Hex per channelR AD · G 03 · B 31

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#AD0331

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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