Recognised as Colour

#A82522

#A82522
Red
Dark
Nearest: Firebrick

#A82522 is a red with RGB values 168, 37, 34 and HSL 1°, 66%, 40%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#A82522#A82522

HEX#A82522

RGBrgb(168, 37, 34)

RGB (0–1)0.6588, 0.1451, 0.1333

RGB percentages65.9%, 14.5%, 13.3%

HSLhsl(1.3, 66.3%, 39.6%)

HSV / HSBhsv(1.3, 79.8%, 65.9%)

CMYK0%, 78%, 79.8%, 34.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,019,554

CSS custom property--colour: #A82522;

Brightness & contrast

Relative luminance0.09763WCAG 2.x, 0 is black and 1 is white

Perceived brightness96.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.11:1

Contrast with white7.11:1WCAG normal text: AAA

Contrast with black2.95:1WCAG normal text: Fail

Greyscale equivalent#414141

Inverted#57DADD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4E4620no red cones; affects about 1% of men; ΔE 56.1 from the original

Deuteranopia#6E621Cno green cones; the most common form, about 1% of men; ΔE 56.1 from the original

Tritanopia#B90026no blue cones; rare, and affects men and women equally; ΔE 11.7 from the original

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

Contrast with white, large text7.11:1WCAG large text: AAA

Contrast with black, large text2.95:1WCAG large text: Fail

Named colours

Firebrick · ΔE 4.9 Brown · ΔE 5.3 Dark red · ΔE 11.1 Maroon · ΔE 12.8 Crimson · ΔE 21.3 Indian red · ΔE 21.9

Nearest named CSS colourFirebrick (#B22222)ΔE 4.87, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#22A5A8

Analogous#A82262, #A86822

Triadic#22A825, #2522A8

Split complementary#22A868, #2262A8

Tetradic#62A822, #22A5A8, #6822A8

Tints, shades & saturation

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

Lighter +40%#EDAAA9

Lighter +30%#E5807E

Lighter +20%#DC5754

Lighter +10%#D22E2B

Darker −10%#7E1C19

Darker −20%#531211

Darker −30%#290908

Darker −40%#000000

More saturated +25%#C10D09

Less saturated −25%#8F3D3B

Channel breakdown

R168

G37

B34

Red168 (65.9%)

Green37 (14.5%)

Blue34 (13.3%)

Hue1.34°

Saturation (HSL)66.34%

Lightness39.61%

Dominant channelRed

Hex per channelR A8 · G 25 · B 22

Keep nerding

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

#A82522

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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