Recognised as Colour

#66241C

#66241C
Red
Dark
Nearest: Saddle brown

#66241C is a red with RGB values 102, 36, 28 and HSL 6°, 57%, 25%. It is a dark colour, so white text on it reaches 11.4:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#66241C#66241C

HEX#66241C

RGBrgb(102, 36, 28)

RGB (0–1)0.4, 0.1412, 0.1098

RGB percentages40%, 14.1%, 11%

HSLhsl(6.5, 56.9%, 25.5%)

HSV / HSBhsv(6.5, 72.5%, 40%)

CMYK0%, 64.7%, 72.5%, 60%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,693,916

CSS custom property--colour: #66241C;

Brightness & contrast

Relative luminance0.0417WCAG 2.x, 0 is black and 1 is white

Perceived brightness62.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.45:1

Contrast with white11.45:1WCAG normal text: AAA

Contrast with black1.83:1WCAG normal text: Fail

Greyscale equivalent#313131

Inverted#99DBE3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#36311Bno red cones; affects about 1% of men; ΔE 31.6 from the original

Deuteranopia#463F1Ano green cones; the most common form, about 1% of men; ΔE 32 from the original

Tritanopia#701522no blue cones; rare, and affects men and women equally; ΔE 11.1 from the original

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

Contrast with white, large text11.45:1WCAG large text: AAA

Contrast with black, large text1.83:1WCAG large text: Fail

Named colours

Saddle brown · ΔE 24.4 Sienna · ΔE 24.6 Maroon · ΔE 25.7 Brown · ΔE 26.4 Dark red · ΔE 30.3 Indian red · ΔE 33.1

Nearest named CSS colourSaddle brown (#8B4513)ΔE 24.4, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1C5E66

Analogous#661C39, #66491C

Triadic#1C6624, #241C66

Split complementary#1C6649, #1C3966

Tetradic#39661C, #1C5E66, #491C66

Tints, shades & saturation

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

Lighter +40%#D98075

Lighter +30%#CE5B4D

Lighter +20%#B64032

Lighter +10%#8E3227

Darker −10%#3E1611

Darker −20%#160806

Darker −30%#000000

Darker −40%#000000

More saturated +25%#76170C

Less saturated −25%#56312C

Channel breakdown

R102

G36

B28

Red102 (40%)

Green36 (14.1%)

Blue28 (11%)

Hue6.49°

Saturation (HSL)56.92%

Lightness25.49%

Dominant channelRed

Hex per channelR 66 · G 24 · B 1C

Keep nerding

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#66241C

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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