Colour

#8A0B37

#8A0B37
Red
Dark
Nearest: Brown

#8A0B37 is a red with RGB values 138, 11, 55 and HSL 339°, 85%, 29%. It is a dark colour, so white text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#8A0B37#8A0B37

HEX#8A0B37

RGBrgb(138, 11, 55)

RGB (0–1)0.5412, 0.0431, 0.2157

RGB percentages54.1%, 4.3%, 21.6%

HSLhsl(339.2, 85.2%, 29.2%)

HSV / HSBhsv(339.2, 92%, 54.1%)

CMYK0%, 92%, 60.1%, 45.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer9,046,839

CSS custom property--colour: #8A0B37;

Brightness & contrast

Relative luminance0.05918WCAG 2.x, 0 is black and 1 is white

Perceived brightness78.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.62:1

Contrast with white9.62:1WCAG normal text: AAA

Contrast with black2.18:1WCAG normal text: Fail

Greyscale equivalent#292929

Inverted#75F4C8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#343538no red cones; affects about 1% of men; ΔE 52.7 from the original

Deuteranopia#534E34no green cones; the most common form, about 1% of men; ΔE 53.8 from the original

Tritanopia#980021no blue cones; rare, and affects men and women equally; ΔE 18.4 from the original

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

Contrast with white, large text9.62:1WCAG large text: AAA

Contrast with black, large text2.18:1WCAG large text: Fail

Named colours

Brown · ΔE 21.7 Indian red · ΔE 27.5 Maroon · ΔE 27.9 Firebrick · ΔE 29.3 Dark red · ΔE 30.7 Pale violetred · ΔE 33.4

Nearest named CSS colourBrown (#A52A2A)ΔE 21.66, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0B8A5E

Analogous#8A0B77, #8A1F0B

Triadic#378A0B, #0B378A

Split complementary#0B8A1F, #0B778A

Tetradic#768A0B, #0B8A5E, #1E0B8A

Tints, shades & saturation

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

Lighter +40%#F36E9C

Lighter +30%#F03E7C

Lighter +20%#E8135D

Lighter +10%#B90F4A

Darker −10%#5B0724

Darker −20%#2C0311

Darker −30%#000000

Darker −40%#000000

More saturated +25%#950034

Less saturated −25%#771E3D

Channel breakdown

R138

G11

B55

Red138 (54.1%)

Green11 (4.3%)

Blue55 (21.6%)

Hue339.21°

Saturation (HSL)85.23%

Lightness29.22%

Dominant channelRed

Hex per channelR 8A · G 0B · B 37

Keep nerding

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

#8A0B37

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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