Recognised as Colour

#A12128

#A12128
Red
Dark
Nearest: Brown

#A12128 is a red with RGB values 161, 33, 40 and HSL 357°, 66%, 38%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#A12128#A12128

HEX#A12128

RGBrgb(161, 33, 40)

RGB (0–1)0.6314, 0.1294, 0.1569

RGB percentages63.1%, 12.9%, 15.7%

HSLhsl(356.7, 66%, 38%)

HSV / HSBhsv(356.7, 79.5%, 63.1%)

CMYK0%, 79.5%, 75.2%, 36.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,559,784

CSS custom property--colour: #A12128;

Brightness & contrast

Relative luminance0.08818WCAG 2.x, 0 is black and 1 is white

Perceived brightness92.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.6:1

Contrast with white7.6:1WCAG normal text: AAA

Contrast with black2.76:1WCAG normal text: Fail

Greyscale equivalent#3D3D3D

Inverted#5EDED7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#494227no red cones; affects about 1% of men; ΔE 54.8 from the original

Deuteranopia#685E23no green cones; the most common form, about 1% of men; ΔE 55.6 from the original

Tritanopia#B20025no blue cones; rare, and affects men and women equally; ΔE 11.5 from the original

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

Contrast with white, large text7.6:1WCAG large text: AAA

Contrast with black, large text2.76:1WCAG large text: Fail

Named colours

Brown · ΔE 2.8 Firebrick · ΔE 10.1 Maroon · ΔE 13.7 Dark red · ΔE 14.1 Indian red · ΔE 20.3 Crimson · ΔE 23

Nearest named CSS colourBrown (#A52A2A)ΔE 2.76, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#21A19A

Analogous#A12168, #A15A21

Triadic#28A121, #2128A1

Split complementary#21A15A, #2168A1

Tetradic#68A121, #21A19A, #5A21A1

Tints, shades & saturation

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

Lighter +40%#ECA2A6

Lighter +30%#E3787E

Lighter +20%#DB4D55

Lighter +10%#CB2A33

Darker −10%#77181D

Darker −20%#4C1013

Darker −30%#220708

Darker −40%#000000

More saturated +25%#B90912

Less saturated −25%#89393E

Channel breakdown

R161

G33

B40

Red161 (63.1%)

Green33 (12.9%)

Blue40 (15.7%)

Hue356.72°

Saturation (HSL)65.98%

Lightness38.04%

Dominant channelRed

Hex per channelR A1 · G 21 · B 28

Keep nerding

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

#A12128

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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