Recognised as Colour

#AD3213

#AD3213
Red
Dark
Nearest: Firebrick

#AD3213 is a red with RGB values 173, 50, 19 and HSL 12°, 80%, 38%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#AD3213#AD3213

HEX#AD3213

RGBrgb(173, 50, 19)

RGB (0–1)0.6784, 0.1961, 0.0745

RGB percentages67.8%, 19.6%, 7.5%

HSLhsl(12.1, 80.2%, 37.6%)

HSV / HSBhsv(12.1, 89%, 67.8%)

CMYK0%, 71.1%, 89%, 32.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,350,547

CSS custom property--colour: #AD3213;

Brightness & contrast

Relative luminance0.11212WCAG 2.x, 0 is black and 1 is white

Perceived brightness102.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.48:1

Contrast with white6.48:1WCAG normal text: AA

Contrast with black3.24:1WCAG normal text: Fail

Greyscale equivalent#4A4A4A

Inverted#52CDEC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#574D0Cno red cones; affects about 1% of men; ΔE 53.3 from the original

Deuteranopia#756809no green cones; the most common form, about 1% of men; ΔE 53.4 from the original

Tritanopia#BF002Dno blue cones; rare, and affects men and women equally; ΔE 20.8 from the original

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

Contrast with white, large text6.48:1WCAG large text: AAA

Contrast with black, large text3.24:1WCAG large text: AA

Named colours

Firebrick · ΔE 10.7 Dark red · ΔE 12.8 Brown · ΔE 15.1 Maroon · ΔE 16.2 Sienna · ΔE 22 Saddle brown · ΔE 22.7

Nearest named CSS colourFirebrick (#B22222)ΔE 10.71, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#138EAD

Analogous#AD1341, #AD7F13

Triadic#13AD32, #3213AD

Split complementary#13AD7F, #1341AD

Tetradic#41AD13, #138EAD, #7F13AD

Tints, shades & saturation

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

Lighter +40%#F4AB98

Lighter +30%#EF856A

Lighter +20%#EA5F3C

Lighter +10%#DB3F18

Darker −10%#7F250E

Darker −20%#511709

Darker −30%#230A04

Darker −40%#000000

More saturated +25%#C02700

Less saturated −25%#95402B

Channel breakdown

R173

G50

B19

Red173 (67.8%)

Green50 (19.6%)

Blue19 (7.5%)

Hue12.08°

Saturation (HSL)80.21%

Lightness37.65%

Dominant channelRed

Hex per channelR AD · G 32 · B 13

Keep nerding

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

#AD3213

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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