Colour

#A00012

#A00012
Red
Dark
Nearest: Firebrick

#A00012 is a red with RGB values 160, 0, 18 and HSL 353°, 100%, 31%. It is a dark colour, so white text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#A00012#A00012

HEX#A00012

RGBrgb(160, 0, 18)

RGB (0–1)0.6275, 0, 0.0706

RGB percentages62.7%, 0%, 7.1%

HSLhsl(353.3, 100%, 31.4%)

HSV / HSBhsv(353.3, 100%, 62.7%)

CMYK0%, 100%, 88.8%, 37.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,485,778

CSS custom property--colour: #A00012;

Brightness & contrast

Relative luminance0.07517WCAG 2.x, 0 is black and 1 is white

Perceived brightness87.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.39:1

Contrast with white8.39:1WCAG normal text: AAA

Contrast with black2.5:1WCAG normal text: Fail

Greyscale equivalent#232323

Inverted#5FFFED

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#413910no red cones; affects about 1% of men; ΔE 61.2 from the original

Deuteranopia#645906no green cones; the most common form, about 1% of men; ΔE 61.4 from the original

Tritanopia#B1000Bno blue cones; rare, and affects men and women equally; ΔE 9.4 from the original

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

Contrast with white, large text8.39:1WCAG large text: AAA

Contrast with black, large text2.5:1WCAG large text: Fail

Named colours

Firebrick · ΔE 6.4 Dark red · ΔE 7.8 Maroon · ΔE 11.5 Brown · ΔE 12.1 Crimson · ΔE 20.7 Indian red · ΔE 29.2

Nearest named CSS colourFirebrick (#B22222)ΔE 6.42, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00A08E

Analogous#A00062, #A03E00

Triadic#12A000, #0012A0

Split complementary#00A03E, #0062A0

Tetradic#62A000, #00A08E, #3E00A0

Tints, shades & saturation

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

Lighter +40%#FF6D7D

Lighter +30%#FF3A50

Lighter +20%#FF0723

Lighter +10%#D30018

Darker −10%#6D000C

Darker −20%#3A0007

Darker −30%#070001

Darker −40%#000000

More saturated +25%#A00012

Less saturated −25%#8C1421

Channel breakdown

R160

B18

Red160 (62.7%)

Green0 (0%)

Blue18 (7.1%)

Hue353.25°

Saturation (HSL)100%

Lightness31.37%

Dominant channelRed

Hex per channelR A0 · G 00 · B 12

Keep nerding

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

#A00012

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