Recognised as Colour

#8A1B13

#8A1B13
Red
Dark
Nearest: Maroon

#8A1B13 is a red with RGB values 138, 27, 19 and HSL 4°, 76%, 31%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#8A1B13#8A1B13

HEX#8A1B13

RGBrgb(138, 27, 19)

RGB (0–1)0.5412, 0.1059, 0.0745

RGB percentages54.1%, 10.6%, 7.5%

HSLhsl(4, 75.8%, 30.8%)

HSV / HSBhsv(4, 86.2%, 54.1%)

CMYK0%, 80.4%, 86.2%, 45.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer9,050,899

CSS custom property--colour: #8A1B13;

Brightness & contrast

Relative luminance0.06234WCAG 2.x, 0 is black and 1 is white

Perceived brightness78.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.35:1

Contrast with white9.35:1WCAG normal text: AAA

Contrast with black2.25:1WCAG normal text: Fail

Greyscale equivalent#323232

Inverted#75E4EC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3E3710no red cones; affects about 1% of men; ΔE 49.3 from the original

Deuteranopia#5A4F0Cno green cones; the most common form, about 1% of men; ΔE 48.8 from the original

Tritanopia#99001Bno blue cones; rare, and affects men and women equally; ΔE 10.2 from the original

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

Contrast with white, large text9.35:1WCAG large text: AAA

Contrast with black, large text2.25:1WCAG large text: Fail

Named colours

Maroon · ΔE 6.4 Dark red · ΔE 9.2 Brown · ΔE 9.5 Firebrick · ΔE 14.4 Sienna · ΔE 21.2 Saddle brown · ΔE 21.4

Nearest named CSS colourMaroon (#800000)ΔE 6.44, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#13828A

Analogous#8A1347, #8A5613

Triadic#138A1B, #1B138A

Split complementary#138A56, #13478A

Tetradic#478A13, #13828A, #56138A

Tints, shades & saturation

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

Lighter +40%#ED847C

Lighter +30%#E7594F

Lighter +20%#E12F22

Lighter +10%#B72419

Darker −10%#5D120D

Darker −20%#300907

Darker −30%#040100

Darker −40%#000000

More saturated +25%#9D0B00

Less saturated −25%#762C27

Channel breakdown

R138

G27

B19

Red138 (54.1%)

Green27 (10.6%)

Blue19 (7.5%)

Hue4.03°

Saturation (HSL)75.8%

Lightness30.78%

Dominant channelRed

Hex per channelR 8A · G 1B · B 13

Keep nerding

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

#8A1B13

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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