Recognised as Colour

#AD2A2D

#AD2A2D
Red
Dark
Nearest: Brown

#AD2A2D is a red with RGB values 173, 42, 45 and HSL 359°, 61%, 42%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#AD2A2D#AD2A2D

HEX#AD2A2D

RGBrgb(173, 42, 45)

RGB (0–1)0.6784, 0.1647, 0.1765

RGB percentages67.8%, 16.5%, 17.6%

HSLhsl(358.6, 60.9%, 42.2%)

HSV / HSBhsv(358.6, 75.7%, 67.8%)

CMYK0%, 75.7%, 74%, 32.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,348,525

CSS custom property--colour: #AD2A2D;

Brightness & contrast

Relative luminance0.1073WCAG 2.x, 0 is black and 1 is white

Perceived brightness101.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.68:1

Contrast with white6.68:1WCAG normal text: AA

Contrast with black3.15:1WCAG normal text: Fail

Greyscale equivalent#464646

Inverted#52D5D2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#514A2Cno red cones; affects about 1% of men; ΔE 56.2 from the original

Deuteranopia#726628no green cones; the most common form, about 1% of men; ΔE 56.2 from the original

Tritanopia#BF002Dno blue cones; rare, and affects men and women equally; ΔE 13.1 from the original

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

Contrast with white, large text6.68:1WCAG large text: AAA

Contrast with black, large text3.15:1WCAG large text: AA

Named colours

Brown · ΔE 3.1 Firebrick · ΔE 7.6 Dark red · ΔE 15.2 Maroon · ΔE 15.9 Indian red · ΔE 18.4 Crimson · ΔE 20.4

Nearest named CSS colourBrown (#A52A2A)ΔE 3.13, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2AADAA

Analogous#AD2A6F, #AD682A

Triadic#2DAD2A, #2A2DAD

Split complementary#2AAD68, #2A6FAD

Tetradic#6FAD2A, #2AADAA, #682AAD

Tints, shades & saturation

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

Lighter +40%#EDB6B7

Lighter +30%#E38D8F

Lighter +20%#D96466

Lighter +10%#CF3B3E

Darker −10%#842022

Darker −20%#5B1618

Darker −30%#320C0D

Darker −40%#090202

More saturated +25%#C80F13

Less saturated −25%#924547

Channel breakdown

R173

G42

B45

Red173 (67.8%)

Green42 (16.5%)

Blue45 (17.6%)

Hue358.63°

Saturation (HSL)60.93%

Lightness42.16%

Dominant channelRed

Hex per channelR AD · G 2A · B 2D

Keep nerding

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

#AD2A2D

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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