Recognised as Colour

#8B0010

#8B0010
Red
Dark
Nearest: Maroon

#8B0010 is a red with RGB values 139, 0, 16 and HSL 353°, 100%, 27%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#8B0010#8B0010

HEX#8B0010

RGBrgb(139, 0, 16)

RGB (0–1)0.5451, 0, 0.0627

RGB percentages54.5%, 0%, 6.3%

HSLhsl(353.1, 100%, 27.3%)

HSV / HSBhsv(353.1, 100%, 54.5%)

CMYK0%, 100%, 88.5%, 45.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer9,109,520

CSS custom property--colour: #8B0010;

Brightness & contrast

Relative luminance0.05526WCAG 2.x, 0 is black and 1 is white

Perceived brightness76.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.97:1

Contrast with white9.97:1WCAG normal text: AAA

Contrast with black2.11:1WCAG normal text: Fail

Greyscale equivalent#1F1F1F

Inverted#74FFEF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#37300Eno red cones; affects about 1% of men; ΔE 55.1 from the original

Deuteranopia#564C06no green cones; the most common form, about 1% of men; ΔE 55.2 from the original

Tritanopia#9A0009no blue cones; rare, and affects men and women equally; ΔE 8.9 from the original

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

Contrast with white, large text9.97:1WCAG large text: AAA

Contrast with black, large text2.11:1WCAG large text: Fail

Named colours

Maroon · ΔE 5.5 Dark red · ΔE 6.9 Brown · ΔE 10.2 Firebrick · ΔE 12.3 Sienna · ΔE 27 Crimson · ΔE 27.2

Nearest named CSS colourMaroon (#800000)ΔE 5.54, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#008B7B

Analogous#8B0056, #8B3500

Triadic#108B00, #00108B

Split complementary#008B35, #00568B

Tetradic#568B00, #008B7B, #35008B

Tints, shades & saturation

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

Lighter +40%#FF586B

Lighter +30%#FF253E

Lighter +20%#F1001C

Lighter +10%#BE0016

Darker −10%#58000A

Darker −20%#250004

Darker −30%#000000

Darker −40%#000000

More saturated +25%#8B0010

Less saturated −25%#7A111D

Channel breakdown

R139

B16

Red139 (54.5%)

Green0 (0%)

Blue16 (6.3%)

Hue353.09°

Saturation (HSL)100%

Lightness27.25%

Dominant channelRed

Hex per channelR 8B · G 00 · B 10

Keep nerding

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

#8B0010

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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