Recognised as Colour

#AD2200

#AD2200
Red
Dark
Nearest: Firebrick

#AD2200 is a red with RGB values 173, 34, 0 and HSL 12°, 100%, 34%. It is a dark colour, so white text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#AD2200#AD2200

HEX#AD2200

RGBrgb(173, 34, 0)

RGB (0–1)0.6784, 0.1333, 0

RGB percentages67.8%, 13.3%, 0%

HSLhsl(11.8, 100%, 33.9%)

HSV / HSBhsv(11.8, 100%, 67.8%)

CMYK0%, 80.3%, 100%, 32.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,346,432

CSS custom property--colour: #AD2200;

Brightness & contrast

Relative luminance0.10028WCAG 2.x, 0 is black and 1 is white

Perceived brightness98.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.99:1

Contrast with white6.99:1WCAG normal text: AA

Contrast with black3.01:1WCAG normal text: Fail

Greyscale equivalent#3D3D3D

Inverted#52DDFF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#504600no red cones; affects about 1% of men; ΔE 59 from the original

Deuteranopia#726400no green cones; the most common form, about 1% of men; ΔE 58 from the original

Tritanopia#BF001Eno blue cones; rare, and affects men and women equally; ΔE 14.8 from the original

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

Contrast with white, large text6.99:1WCAG large text: AAA

Contrast with black, large text3.01:1WCAG large text: AA

Named colours

Firebrick · ΔE 13.6 Dark red · ΔE 14.1 Maroon · ΔE 18.8 Brown · ΔE 20.9 Tomato · ΔE 25.1 Chocolate · ΔE 25.3

Nearest named CSS colourFirebrick (#B22222)ΔE 13.64, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#008BAD

Analogous#AD0034, #AD7900

Triadic#00AD22, #2200AD

Split complementary#00AD78, #0035AD

Tetradic#34AD00, #008BAD, #7900AD

Tints, shades & saturation

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

Lighter +40%#FF947A

Lighter +30%#FF6B47

Lighter +20%#FF4214

Lighter +10%#E02C00

Darker −10%#7A1800

Darker −20%#470E00

Darker −30%#140400

Darker −40%#000000

More saturated +25%#AD2200

Less saturated −25%#972F16

Channel breakdown

R173

G34

Red173 (67.8%)

Green34 (13.3%)

Blue0 (0%)

Hue11.79°

Saturation (HSL)100%

Lightness33.92%

Dominant channelRed

Hex per channelR AD · G 22 · B 00

Keep nerding

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

#AD2200

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