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Colour

#512C28

  • #512C28
  • Red
  • Dark
  • Nearest: Dim grey

#512C28 is a red with RGB values 81, 44, 40 and HSL 6°, 34%, 24%. It is a dark colour, so white text on it reaches 12.1:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#512C28#512C28
HEX#512C28
RGBrgb(81, 44, 40)
RGB (0–1)0.3176, 0.1725, 0.1569
RGB percentages31.8%, 17.3%, 15.7%
HSLhsl(5.9, 33.9%, 23.7%)
HSV / HSBhsv(5.9, 50.6%, 31.8%)
CMYK0%, 45.7%, 50.6%, 68.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,319,720
CSS custom property--colour: #512C28;

Brightness & contrast

Relative luminance0.03704WCAG 2.x, 0 is black and 1 is white
Perceived brightness57.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.06:1
Contrast with white12.06:1WCAG normal text: AAA
Contrast with black1.74:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#AED3D7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#343228no red cones; affects about 1% of men; ΔE 18.2 from the original
Deuteranopia#3D3927no green cones; the most common form, about 1% of men; ΔE 18.3 from the original
Tritanopia#58272Bno blue cones; rare, and affects men and women equally; ΔE 6.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.06:1WCAG large text: AAA
Contrast with black, large text1.74:1WCAG large text: Fail

Named colours

Dim grey · ΔE 29.1Black · ΔE 29.8Dark slate grey · ΔE 32.6Sienna · ΔE 35.6Saddle brown · ΔE 35.7Gray · ΔE 36.5
Nearest named CSS colourDim grey (#696969)ΔE 29.1, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#284D51
Analogous#512838, #514128
Triadic#28512C, #2C2851
Split complementary#285141, #283851
Tetradic#385128, #284D51, #412851

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C28983
Lighter +30%#B16961
Lighter +20%#95514A
Lighter +10%#733F39
Darker −10%#2F1917
Darker −20%#0D0706
Darker −30%#000000
Darker −40%#000000
More saturated +25%#602019
Less saturated −25%#423837

Channel breakdown

R81
G44
B40
Red81 (31.8%)
Green44 (17.3%)
Blue40 (15.7%)
Hue5.85°
Saturation (HSL)33.88%
Lightness23.73%
Dominant channelRed
Hex per channelR 51 · G 2C · B 28

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Every value on this page was computed from “512c28” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.