Colour

#512A21

#512A21
Red
Dark
Nearest: Black

#512A21 is a red with RGB values 81, 42, 33 and HSL 11°, 42%, 22%. It is a dark colour, so white text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#512A21#512A21

HEX#512A21

RGBrgb(81, 42, 33)

RGB (0–1)0.3176, 0.1647, 0.1294

RGB percentages31.8%, 16.5%, 12.9%

HSLhsl(11.2, 42.1%, 22.4%)

HSV / HSBhsv(11.2, 59.3%, 31.8%)

CMYK0%, 48.1%, 59.3%, 68.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,319,201

CSS custom property--colour: #512A21;

Brightness & contrast

Relative luminance0.03515WCAG 2.x, 0 is black and 1 is white

Perceived brightness55.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.33:1

Contrast with white12.33:1WCAG normal text: AAA

Contrast with black1.7:1WCAG normal text: Fail

Greyscale equivalent#323232

Inverted#AED5DE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#343020no red cones; affects about 1% of men; ΔE 18.7 from the original

Deuteranopia#3D3820no green cones; the most common form, about 1% of men; ΔE 19.2 from the original

Tritanopia#592428no blue cones; rare, and affects men and women equally; ΔE 9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text12.33:1WCAG large text: AAA

Contrast with black, large text1.7:1WCAG large text: Fail

Named colours

Black · ΔE 31.1 Dim grey · ΔE 31.4 Saddle brown · ΔE 32.6 Sienna · ΔE 33.2 Dark slate grey · ΔE 34.9 Gray · ΔE 38.5

Nearest named CSS colourBlack (#000000)ΔE 31.07, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#214851

Analogous#512130, #514221

Triadic#21512A, #2A2151

Split complementary#215142, #213051

Tetradic#305121, #214851, #422151

Tints, shades & saturation

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

Lighter +40%#C78677

Lighter +30%#B96652

Lighter +20%#99503F

Lighter +10%#753D30

Darker −10%#2D1712

Darker −20%#090403

Darker −30%#000000

Darker −40%#000000

More saturated +25%#5F2113

Less saturated −25%#43332F

Channel breakdown

R81

G42

B33

Red81 (31.8%)

Green42 (16.5%)

Blue33 (12.9%)

Hue11.25°

Saturation (HSL)42.11%

Lightness22.35%

Dominant channelRed

Hex per channelR 51 · G 2A · B 21

Keep nerding

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

#512A21

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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