Colour

#A1312D

#A1312D
Red
Dark
Nearest: Brown

#A1312D is a red with RGB values 161, 49, 45 and HSL 2°, 56%, 40%. It is a dark colour, so white text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#A1312D#A1312D

HEX#A1312D

RGBrgb(161, 49, 45)

RGB (0–1)0.6314, 0.1922, 0.1765

RGB percentages63.1%, 19.2%, 17.6%

HSLhsl(2.1, 56.3%, 40.4%)

HSV / HSBhsv(2.1, 72%, 63.1%)

CMYK0%, 69.6%, 72%, 36.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,563,885

CSS custom property--colour: #A1312D;

Brightness & contrast

Relative luminance0.09963WCAG 2.x, 0 is black and 1 is white

Perceived brightness96.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.02:1

Contrast with white7.02:1WCAG normal text: AAA

Contrast with black2.99:1WCAG normal text: Fail

Greyscale equivalent#494949

Inverted#5ECED2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#504A2Cno red cones; affects about 1% of men; ΔE 49.8 from the original

Deuteranopia#6C6229no green cones; the most common form, about 1% of men; ΔE 50 from the original

Tritanopia#B10E31no blue cones; rare, and affects men and women equally; ΔE 14.7 from the original

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

Contrast with white, large text7.02:1WCAG large text: AAA

Contrast with black, large text2.99:1WCAG large text: Fail

Named colours

Brown · ΔE 4.2 Firebrick · ΔE 13.5 Maroon · ΔE 15.5 Dark red · ΔE 16.6 Indian red · ΔE 17 Sienna · ΔE 18.8

Nearest named CSS colourBrown (#A52A2A)ΔE 4.24, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2D9DA1

Analogous#A12D63, #A16B2D

Triadic#2DA131, #312DA1

Split complementary#2DA16B, #2D63A1

Tetradic#63A12D, #2D9DA1, #6B2DA1

Tints, shades & saturation

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

Lighter +40%#E9B3B1

Lighter +30%#DE8C89

Lighter +20%#D36561

Lighter +10%#C83E39

Darker −10%#792522

Darker −20%#511917

Darker −30%#290D0C

Darker −40%#020000

More saturated +25%#BB1913

Less saturated −25%#874947

Channel breakdown

R161

G49

B45

Red161 (63.1%)

Green49 (19.2%)

Blue45 (17.6%)

Hue2.07°

Saturation (HSL)56.31%

Lightness40.39%

Dominant channelRed

Hex per channelR A1 · G 31 · B 2D

Keep nerding

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

#A1312D

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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