Colour

#660F22

#660F22
Red
Dark
Nearest: Brown

#660F22 is a red with RGB values 102, 15, 34 and HSL 347°, 74%, 23%. It is a dark colour, so white text on it reaches 12.7:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#660F22#660F22

HEX#660F22

RGBrgb(102, 15, 34)

RGB (0–1)0.4, 0.0588, 0.1333

RGB percentages40%, 5.9%, 13.3%

HSLhsl(346.9, 74.4%, 22.9%)

HSV / HSBhsv(346.9, 85.3%, 40%)

CMYK0%, 85.3%, 66.7%, 60%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,688,546

CSS custom property--colour: #660F22;

Brightness & contrast

Relative luminance0.03282WCAG 2.x, 0 is black and 1 is white

Perceived brightness58.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.68:1

Contrast with white12.68:1WCAG normal text: AAA

Contrast with black1.66:1WCAG normal text: Fail

Greyscale equivalent#232323

Inverted#99F0DD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#292722no red cones; affects about 1% of men; ΔE 40 from the original

Deuteranopia#3F3920no green cones; the most common form, about 1% of men; ΔE 40.3 from the original

Tritanopia#710017no blue cones; rare, and affects men and women equally; ΔE 11.4 from the original

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

Contrast with white, large text12.68:1WCAG large text: AAA

Contrast with black, large text1.66:1WCAG large text: Fail

Named colours

Brown · ΔE 26.7 Maroon · ΔE 27.4 Dark red · ΔE 32 Sienna · ΔE 33.4 Indian red · ΔE 34.2 Saddle brown · ΔE 34.7

Nearest named CSS colourBrown (#A52A2A)ΔE 26.71, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0F6653

Analogous#660F4E, #66270F

Triadic#22660F, #0F2266

Split complementary#0F6627, #0F4E66

Tetradic#4E660F, #0F6653, #270F66

Tints, shades & saturation

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

Lighter +40%#E75A79

Lighter +30%#E02E55

Lighter +20%#BF1C40

Lighter +10%#921631

Darker −10%#3A0813

Darker −20%#0D0204

Darker −30%#000000

Darker −40%#000000

More saturated +25%#75001A

Less saturated −25%#571E2A

Channel breakdown

R102

G15

B34

Red102 (40%)

Green15 (5.9%)

Blue34 (13.3%)

Hue346.9°

Saturation (HSL)74.36%

Lightness22.94%

Dominant channelRed

Hex per channelR 66 · G 0F · B 22

Keep nerding

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

#660F22

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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