Recognised as Colour

#A81E26

#A81E26
Red
Dark
Nearest: Brown

#A81E26 is a red with RGB values 168, 30, 38 and HSL 357°, 70%, 39%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#A81E26#A81E26

HEX#A81E26

RGBrgb(168, 30, 38)

RGB (0–1)0.6588, 0.1176, 0.149

RGB percentages65.9%, 11.8%, 14.9%

HSLhsl(356.5, 69.7%, 38.8%)

HSV / HSBhsv(356.5, 82.1%, 65.9%)

CMYK0%, 82.1%, 77.4%, 34.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,017,766

CSS custom property--colour: #A81E26;

Brightness & contrast

Relative luminance0.09393WCAG 2.x, 0 is black and 1 is white

Perceived brightness95.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.3:1

Contrast with white7.3:1WCAG normal text: AAA

Contrast with black2.88:1WCAG normal text: Fail

Greyscale equivalent#3C3C3C

Inverted#57E1D9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4A4425no red cones; affects about 1% of men; ΔE 58.7 from the original

Deuteranopia#6C6120no green cones; the most common form, about 1% of men; ΔE 58.5 from the original

Tritanopia#B90023no blue cones; rare, and affects men and women equally; ΔE 10.7 from the original

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

Contrast with white, large text7.3:1WCAG large text: AAA

Contrast with black, large text2.88:1WCAG large text: Fail

Named colours

Brown · ΔE 4.9 Firebrick · ΔE 6.2 Dark red · ΔE 12.9 Maroon · ΔE 14.1 Crimson · ΔE 19.7 Indian red · ΔE 21.6

Nearest named CSS colourBrown (#A52A2A)ΔE 4.88, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1EA8A0

Analogous#A81E6B, #A85B1E

Triadic#26A81E, #1E26A8

Split complementary#1EA85B, #1E6BA8

Tetradic#6BA81E, #1EA8A0, #5B1EA8

Tints, shades & saturation

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

Lighter +40%#EFA3A8

Lighter +30%#E7787F

Lighter +20%#DF4D55

Lighter +10%#D32630

Darker −10%#7D161C

Darker −20%#510F12

Darker −30%#260709

Darker −40%#000000

More saturated +25%#C10510

Less saturated −25%#8F373C

Channel breakdown

R168

G30

B38

Red168 (65.9%)

Green30 (11.8%)

Blue38 (14.9%)

Hue356.52°

Saturation (HSL)69.7%

Lightness38.82%

Dominant channelRed

Hex per channelR A8 · G 1E · B 26

Keep nerding

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

#A81E26

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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