Recognised as Colour

#660F01

#660F01
Red
Dark
Nearest: Maroon

#660F01 is a red with RGB values 102, 15, 1 and HSL 8°, 98%, 20%. It is a dark colour, so white text on it reaches 12.9:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#660F01#660F01

HEX#660F01

RGBrgb(102, 15, 1)

RGB (0–1)0.4, 0.0588, 0.0039

RGB percentages40%, 5.9%, 0.4%

HSLhsl(8.3, 98.1%, 20.2%)

HSV / HSBhsv(8.3, 99%, 40%)

CMYK0%, 85.3%, 99%, 60%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,688,513

CSS custom property--colour: #660F01;

Brightness & contrast

Relative luminance0.03169WCAG 2.x, 0 is black and 1 is white

Perceived brightness56.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.85:1

Contrast with white12.85:1WCAG normal text: AAA

Contrast with black1.63:1WCAG normal text: Fail

Greyscale equivalent#202020

Inverted#99F0FE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2C2600no red cones; affects about 1% of men; ΔE 40.7 from the original

Deuteranopia#413900no green cones; the most common form, about 1% of men; ΔE 40.3 from the original

Tritanopia#71000Dno blue cones; rare, and affects men and women equally; ΔE 7.9 from the original

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

Contrast with white, large text12.85:1WCAG large text: AAA

Contrast with black, large text1.63:1WCAG large text: Fail

Named colours

Maroon · ΔE 14.1 Dark red · ΔE 19 Brown · ΔE 21.1 Saddle brown · ΔE 22.3 Sienna · ΔE 24.8 Firebrick · ΔE 27.3

Nearest named CSS colourMaroon (#800000)ΔE 14.08, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#015866

Analogous#660126, #664101

Triadic#01660F, #0F0166

Split complementary#016641, #012666

Tetradic#266601, #015866, #410166

Tints, shades & saturation

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

Lighter +40%#FD5236

Lighter +30%#FD2603

Lighter +20%#CB1E02

Lighter +10%#991601

Darker −10%#330801

Darker −20%#010000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#670E00

Less saturated −25%#59180E

Channel breakdown

R102

G15

Red102 (40%)

Green15 (5.9%)

Blue1 (0.4%)

Hue8.32°

Saturation (HSL)98.06%

Lightness20.2%

Dominant channelRed

Hex per channelR 66 · G 0F · B 01

Keep nerding

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

#660F01

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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