Recognised as Colour

#8A173B

#8A173B
Red
Dark
Nearest: Brown

#8A173B is a red with RGB values 138, 23, 59 and HSL 341°, 71%, 32%. 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

#8A173B#8A173B

HEX#8A173B

RGBrgb(138, 23, 59)

RGB (0–1)0.5412, 0.0902, 0.2314

RGB percentages54.1%, 9%, 23.1%

HSLhsl(341.2, 71.4%, 31.6%)

HSV / HSBhsv(341.2, 83.3%, 54.1%)

CMYK0%, 83.3%, 57.2%, 45.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer9,049,915

CSS custom property--colour: #8A173B;

Brightness & contrast

Relative luminance0.06332WCAG 2.x, 0 is black and 1 is white

Perceived brightness80 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.27:1

Contrast with white9.27:1WCAG normal text: AAA

Contrast with black2.27:1WCAG normal text: Fail

Greyscale equivalent#323232

Inverted#75E8C4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#37383Cno red cones; affects about 1% of men; ΔE 49.9 from the original

Deuteranopia#554F38no green cones; the most common form, about 1% of men; ΔE 50.5 from the original

Tritanopia#970027no 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 text9.27:1WCAG large text: AAA

Contrast with black, large text2.27:1WCAG large text: Fail

Named colours

Brown · ΔE 22.5 Indian red · ΔE 26.7 Maroon · ΔE 29.1 Firebrick · ΔE 30.6 Pale violetred · ΔE 31.8 Dark red · ΔE 32.1

Nearest named CSS colourBrown (#A52A2A)ΔE 22.47, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#178A66

Analogous#8A1775, #8A2C17

Triadic#3B8A17, #173B8A

Split complementary#178A2C, #17758A

Tetradic#758A17, #178A66, #2C178A

Tints, shades & saturation

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

Lighter +40%#EA83A3

Lighter +30%#E35783

Lighter +20%#DC2B63

Lighter +10%#B61E4E

Darker −10%#5E1028

Darker −20%#330816

Darker −30%#070103

Darker −40%#000000

More saturated +25%#9E0333

Less saturated −25%#762B43

Channel breakdown

R138

G23

B59

Red138 (54.1%)

Green23 (9%)

Blue59 (23.1%)

Hue341.22°

Saturation (HSL)71.43%

Lightness31.57%

Dominant channelRed

Hex per channelR 8A · G 17 · B 3B

Keep nerding

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

#8A173B

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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