Colour

#A60016

#A60016
Red
Dark
Nearest: Firebrick

#A60016 is a red with RGB values 166, 0, 22 and HSL 352°, 100%, 33%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#A60016#A60016

HEX#A60016

RGBrgb(166, 0, 22)

RGB (0–1)0.651, 0, 0.0863

RGB percentages65.1%, 0%, 8.6%

HSLhsl(352, 100%, 32.5%)

HSV / HSBhsv(352, 100%, 65.1%)

CMYK0%, 100%, 86.7%, 34.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,878,998

CSS custom property--colour: #A60016;

Brightness & contrast

Relative luminance0.08165WCAG 2.x, 0 is black and 1 is white

Perceived brightness91.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.98:1

Contrast with white7.98:1WCAG normal text: AAA

Contrast with black2.63:1WCAG normal text: Fail

Greyscale equivalent#252525

Inverted#59FFE9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#433C14no red cones; affects about 1% of men; ΔE 63.4 from the original

Deuteranopia#685C0Bno green cones; the most common form, about 1% of men; ΔE 62.7 from the original

Tritanopia#B8000Eno blue cones; rare, and affects men and women equally; ΔE 10.3 from the original

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

Contrast with white, large text7.98:1WCAG large text: AAA

Contrast with black, large text2.63:1WCAG large text: Fail

Named colours

Firebrick · ΔE 5.5 Dark red · ΔE 10 Brown · ΔE 12.4 Maroon · ΔE 13.6 Crimson · ΔE 18.6 Indian red · ΔE 28.8

Nearest named CSS colourFirebrick (#B22222)ΔE 5.52, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00A690

Analogous#A60069, #A63D00

Triadic#16A600, #0016A6

Split complementary#00A63D, #0069A6

Tetradic#69A600, #00A690, #3D00A6

Tints, shades & saturation

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

Lighter +40%#FF7386

Lighter +30%#FF4059

Lighter +20%#FF0D2D

Lighter +10%#D9001D

Darker −10%#73000F

Darker −20%#400008

Darker −30%#0D0002

Darker −40%#000000

More saturated +25%#A60016

Less saturated −25%#911525

Channel breakdown

R166

B22

Red166 (65.1%)

Green0 (0%)

Blue22 (8.6%)

Hue352.05°

Saturation (HSL)100%

Lightness32.55%

Dominant channelRed

Hex per channelR A6 · G 00 · B 16

Keep nerding

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

#A60016

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

Nerdulate something else