Colour

#4A180B

#4A180B
Red
Dark
Nearest: Saddle brown

#4A180B is a red with RGB values 74, 24, 11 and HSL 12°, 74%, 17%. It is a dark colour, so white text on it reaches 14.7:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#4A180B#4A180B

HEX#4A180B

RGBrgb(74, 24, 11)

RGB (0–1)0.2902, 0.0941, 0.0431

RGB percentages29%, 9.4%, 4.3%

HSLhsl(12.4, 74.1%, 16.7%)

HSV / HSBhsv(12.4, 85.1%, 29%)

CMYK0%, 67.6%, 85.1%, 71%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,855,819

CSS custom property--colour: #4A180B;

Brightness & contrast

Relative luminance0.02133WCAG 2.x, 0 is black and 1 is white

Perceived brightness44.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.72:1

Contrast with white14.72:1WCAG normal text: AAA

Contrast with black1.43:1WCAG normal text: Fail

Greyscale equivalent#222222

Inverted#B5E7F4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#262109no red cones; affects about 1% of men; ΔE 25.2 from the original

Deuteranopia#322C09no green cones; the most common form, about 1% of men; ΔE 25.4 from the original

Tritanopia#520C15no blue cones; rare, and affects men and women equally; ΔE 10.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text14.72:1WCAG large text: AAA

Contrast with black, large text1.43:1WCAG large text: Fail

Named colours

Saddle brown · ΔE 30.2 Maroon · ΔE 32.4 Sienna · ΔE 32.4 Black · ΔE 34.4 Brown · ΔE 35.8 Dark red · ΔE 37.2

Nearest named CSS colourSaddle brown (#8B4513)ΔE 30.18, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0B3D4A

Analogous#4A0B1D, #4A380B

Triadic#0B4A18, #180B4A

Split complementary#0B4A38, #0B1D4A

Tetradic#1D4A0B, #0B3D4A, #380B4A

Tints, shades & saturation

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

Lighter +40%#E2603F

Lighter +30%#CF431F

Lighter +20%#A33518

Lighter +10%#762612

Darker −10%#1E0A04

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#551200

Less saturated −25%#3F1E16

Channel breakdown

R74

G24

B11

Red74 (29%)

Green24 (9.4%)

Blue11 (4.3%)

Hue12.38°

Saturation (HSL)74.12%

Lightness16.67%

Dominant channelRed

Hex per channelR 4A · G 18 · B 0B

Keep nerding

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#4A180B

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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