Colour

#8A1709

#8A1709
Red
Dark
Nearest: Maroon

#8A1709 is a red with RGB values 138, 23, 9 and HSL 7°, 88%, 29%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#8A1709#8A1709

HEX#8A1709

RGBrgb(138, 23, 9)

RGB (0–1)0.5412, 0.0902, 0.0353

RGB percentages54.1%, 9%, 3.5%

HSLhsl(6.5, 87.8%, 28.8%)

HSV / HSBhsv(6.5, 93.5%, 54.1%)

CMYK0%, 83.3%, 93.5%, 45.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer9,049,865

CSS custom property--colour: #8A1709;

Brightness & contrast

Relative luminance0.06036WCAG 2.x, 0 is black and 1 is white

Perceived brightness77.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.51:1

Contrast with white9.51:1WCAG normal text: AAA

Contrast with black2.21:1WCAG normal text: Fail

Greyscale equivalent#2E2E2E

Inverted#75E8F6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3D3505no red cones; affects about 1% of men; ΔE 50.3 from the original

Deuteranopia#594E00no green cones; the most common form, about 1% of men; ΔE 50 from the original

Tritanopia#990016no blue cones; rare, and affects men and women equally; ΔE 9.6 from the original

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

Contrast with white, large text9.51:1WCAG large text: AAA

Contrast with black, large text2.21:1WCAG large text: Fail

Named colours

Maroon · ΔE 4.4 Dark red · ΔE 5.6 Brown · ΔE 11.9 Firebrick · ΔE 13.6 Saddle brown · ΔE 21.5 Sienna · ΔE 22.4

Nearest named CSS colourMaroon (#800000)ΔE 4.38, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#097C8A

Analogous#8A093B, #8A5709

Triadic#098A17, #17098A

Split complementary#098A57, #093C8A

Tetradic#3C8A09, #097C8A, #58098A

Tints, shades & saturation

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

Lighter +40%#F5796A

Lighter +30%#F24E3A

Lighter +20%#EA270F

Lighter +10%#BA1F0C

Darker −10%#5A0F06

Darker −20%#2A0703

Darker −30%#000000

Darker −40%#000000

More saturated +25%#931000

Less saturated −25%#78251B

Channel breakdown

R138

G23

Red138 (54.1%)

Green23 (9%)

Blue9 (3.5%)

Hue6.51°

Saturation (HSL)87.76%

Lightness28.82%

Dominant channelRed

Hex per channelR 8A · G 17 · B 09

Keep nerding

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#8A1709

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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