Recognised as Colour

#80183D

#80183D
Red
Dark
Nearest: Brown

#80183D is a red with RGB values 128, 24, 61 and HSL 339°, 68%, 30%. It is a dark colour, so white text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#80183D#80183D

HEX#80183D

RGBrgb(128, 24, 61)

RGB (0–1)0.502, 0.0941, 0.2392

RGB percentages50.2%, 9.4%, 23.9%

HSLhsl(338.7, 68.4%, 29.8%)

HSV / HSBhsv(338.7, 81.3%, 50.2%)

CMYK0%, 81.3%, 52.3%, 49.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,394,813

CSS custom property--colour: #80183D;

Brightness & contrast

Relative luminance0.05579WCAG 2.x, 0 is black and 1 is white

Perceived brightness75.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.92:1

Contrast with white9.92:1WCAG normal text: AAA

Contrast with black2.12:1WCAG normal text: Fail

Greyscale equivalent#313131

Inverted#7FE7C2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#33363Eno red cones; affects about 1% of men; ΔE 46.3 from the original

Deuteranopia#4E4A3Bno green cones; the most common form, about 1% of men; ΔE 47.1 from the original

Tritanopia#8C0028no blue cones; rare, and affects men and women equally; ΔE 16.6 from the original

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

Contrast with white, large text9.92:1WCAG large text: AAA

Contrast with black, large text2.12:1WCAG large text: Fail

Named colours

Brown · ΔE 27.5 Indian red · ΔE 30.4 Pale violetred · ΔE 32.6 Maroon · ΔE 33.3 Firebrick · ΔE 35.9 Medium violet red · ΔE 36.4

Nearest named CSS colourBrown (#A52A2A)ΔE 27.47, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#18805B

Analogous#801871, #802718

Triadic#3D8018, #183D80

Split complementary#188027, #187180

Tetradic#718018, #18805B, #271880

Tints, shades & saturation

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

Lighter +40%#E77DA3

Lighter +30%#DF5284

Lighter +20%#D62866

Lighter +10%#AB2051

Darker −10%#551029

Darker −20%#2A0814

Darker −30%#000000

Darker −40%#000000

More saturated +25%#930538

Less saturated −25%#6D2B42

Channel breakdown

R128

G24

B61

Red128 (50.2%)

Green24 (9.4%)

Blue61 (23.9%)

Hue338.65°

Saturation (HSL)68.42%

Lightness29.8%

Dominant channelRed

Hex per channelR 80 · G 18 · B 3D

Keep nerding

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

#80183D

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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