Recognised as Colour

#8A100B

#8A100B
Red
Dark
Nearest: Maroon

#8A100B is a red with RGB values 138, 16, 11 and HSL 2°, 85%, 29%. It is a dark colour, so white text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#8A100B#8A100B

HEX#8A100B

RGBrgb(138, 16, 11)

RGB (0–1)0.5412, 0.0627, 0.0431

RGB percentages54.1%, 6.3%, 4.3%

HSLhsl(2.4, 85.2%, 29.2%)

HSV / HSBhsv(2.4, 92%, 54.1%)

CMYK0%, 88.4%, 92%, 45.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer9,048,075

CSS custom property--colour: #8A100B;

Brightness & contrast

Relative luminance0.05798WCAG 2.x, 0 is black and 1 is white

Perceived brightness76.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.72:1

Contrast with white9.72:1WCAG normal text: AAA

Contrast with black2.16:1WCAG normal text: Fail

Greyscale equivalent#2A2A2A

Inverted#75EFF4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3B3308no red cones; affects about 1% of men; ΔE 51.9 from the original

Deuteranopia#584D02no green cones; the most common form, about 1% of men; ΔE 51.7 from the original

Tritanopia#990011no blue cones; rare, and affects men and women equally; ΔE 7.3 from the original

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

Contrast with white, large text9.72:1WCAG large text: AAA

Contrast with black, large text2.16:1WCAG large text: Fail

Named colours

Maroon · ΔE 3.4 Dark red · ΔE 4.9 Brown · ΔE 11.1 Firebrick · ΔE 12.9 Saddle brown · ΔE 23.6 Sienna · ΔE 24

Nearest named CSS colourMaroon (#800000)ΔE 3.44, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0B858A

Analogous#8A0B46, #8A500B

Triadic#0B8A10, #100B8A

Split complementary#0B8A50, #0B458A

Tetradic#458A0B, #0B858A, #4F0B8A

Tints, shades & saturation

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

Lighter +40%#F3736E

Lighter +30%#F0453E

Lighter +20%#E81B13

Lighter +10%#B9150F

Darker −10%#5B0B07

Darker −20%#2C0503

Darker −30%#000000

Darker −40%#000000

More saturated +25%#950600

Less saturated −25%#77211E

Channel breakdown

R138

G16

B11

Red138 (54.1%)

Green16 (6.3%)

Blue11 (4.3%)

Hue2.36°

Saturation (HSL)85.23%

Lightness29.22%

Dominant channelRed

Hex per channelR 8A · G 10 · B 0B

Keep nerding

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

#8A100B

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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