Recognised as Colour

#660C04

#660C04
Red
Dark
Nearest: Maroon

#660C04 is a red with RGB values 102, 12, 4 and HSL 5°, 92%, 21%. It is a dark colour, so white text on it reaches 13:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#660C04#660C04

HEX#660C04

RGBrgb(102, 12, 4)

RGB (0–1)0.4, 0.0471, 0.0157

RGB percentages40%, 4.7%, 1.6%

HSLhsl(4.9, 92.5%, 20.8%)

HSV / HSBhsv(4.9, 96.1%, 40%)

CMYK0%, 88.2%, 96.1%, 60%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,687,748

CSS custom property--colour: #660C04;

Brightness & contrast

Relative luminance0.03096WCAG 2.x, 0 is black and 1 is white

Perceived brightness56.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.97:1

Contrast with white12.97:1WCAG normal text: AAA

Contrast with black1.62:1WCAG normal text: Fail

Greyscale equivalent#1F1F1F

Inverted#99F3FB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2B2502no red cones; affects about 1% of men; ΔE 41.3 from the original

Deuteranopia#403800no green cones; the most common form, about 1% of men; ΔE 41.2 from the original

Tritanopia#71000Cno blue cones; rare, and affects men and women equally; ΔE 6.5 from the original

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

Contrast with white, large text12.97:1WCAG large text: AAA

Contrast with black, large text1.62:1WCAG large text: Fail

Named colours

Maroon · ΔE 14.3 Dark red · ΔE 19.3 Brown · ΔE 20.8 Saddle brown · ΔE 23.6 Sienna · ΔE 25.7 Firebrick · ΔE 27.3

Nearest named CSS colourMaroon (#800000)ΔE 14.34, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#045E66

Analogous#66042D, #663D04

Triadic#04660C, #0C0466

Split complementary#04663D, #042D66

Tetradic#2D6604, #045E66, #3D0466

Tints, shades & saturation

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

Lighter +40%#F74E3F

Lighter +30%#F6200D

Lighter +20%#C81808

Lighter +10%#971206

Darker −10%#350602

Darker −20%#040000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#6A0900

Less saturated −25%#591711

Channel breakdown

R102

G12

Red102 (40%)

Green12 (4.7%)

Blue4 (1.6%)

Hue4.9°

Saturation (HSL)92.45%

Lightness20.78%

Dominant channelRed

Hex per channelR 66 · G 0C · B 04

Keep nerding

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

#660C04

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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