Recognised as Colour

#8A163A

#8A163A
Red
Dark
Nearest: Brown

#8A163A is a red with RGB values 138, 22, 58 and HSL 341°, 72%, 31%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#8A163A#8A163A

HEX#8A163A

RGBrgb(138, 22, 58)

RGB (0–1)0.5412, 0.0863, 0.2275

RGB percentages54.1%, 8.6%, 22.7%

HSLhsl(341.4, 72.5%, 31.4%)

HSV / HSBhsv(341.4, 84.1%, 54.1%)

CMYK0%, 84.1%, 58%, 45.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer9,049,658

CSS custom property--colour: #8A163A;

Brightness & contrast

Relative luminance0.06283WCAG 2.x, 0 is black and 1 is white

Perceived brightness79.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.31:1

Contrast with white9.31:1WCAG normal text: AAA

Contrast with black2.26:1WCAG normal text: Fail

Greyscale equivalent#313131

Inverted#75E9C5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#37383Bno red cones; affects about 1% of men; ΔE 50.3 from the original

Deuteranopia#554F37no green cones; the most common form, about 1% of men; ΔE 50.9 from the original

Tritanopia#970026no blue cones; rare, and affects men and women equally; ΔE 16.4 from the original

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

Contrast with white, large text9.31:1WCAG large text: AAA

Contrast with black, large text2.26:1WCAG large text: Fail

Named colours

Brown · ΔE 22 Indian red · ΔE 26.6 Maroon · ΔE 28.6 Firebrick · ΔE 30.1 Dark red · ΔE 31.6 Pale violetred · ΔE 32

Nearest named CSS colourBrown (#A52A2A)ΔE 22.03, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#168A66

Analogous#8A1674, #8A2C16

Triadic#3A8A16, #163A8A

Split complementary#168A2C, #16748A

Tetradic#748A16, #168A66, #2C168A

Tints, shades & saturation

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

Lighter +40%#EB81A2

Lighter +30%#E45581

Lighter +20%#DD2961

Lighter +10%#B61D4C

Darker −10%#5E0F28

Darker −20%#320815

Darker −30%#060103

Darker −40%#000000

More saturated +25%#9E0232

Less saturated −25%#762A42

Channel breakdown

R138

G22

B58

Red138 (54.1%)

Green22 (8.6%)

Blue58 (22.7%)

Hue341.38°

Saturation (HSL)72.5%

Lightness31.37%

Dominant channelRed

Hex per channelR 8A · G 16 · B 3A

Keep nerding

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

#8A163A

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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