Recognised as Colour

#8A0107

#8A0107
Red
Dark
Nearest: Dark red

#8A0107 is a red with RGB values 138, 1, 7 and HSL 357°, 99%, 27%. It is a dark colour, so white text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Dark red.

Colour values

#8A0107#8A0107

HEX#8A0107

RGBrgb(138, 1, 7)

RGB (0–1)0.5412, 0.0039, 0.0275

RGB percentages54.1%, 0.4%, 2.7%

HSLhsl(357.4, 98.6%, 27.3%)

HSV / HSBhsv(357.4, 99.3%, 54.1%)

CMYK0%, 99.3%, 94.9%, 45.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer9,044,231

CSS custom property--colour: #8A0107;

Brightness & contrast

Relative luminance0.0544WCAG 2.x, 0 is black and 1 is white

Perceived brightness75.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.06:1

Contrast with white10.06:1WCAG normal text: AAA

Contrast with black2.09:1WCAG normal text: Fail

Greyscale equivalent#1F1F1F

Inverted#75FEF8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#373004no red cones; affects about 1% of men; ΔE 55.1 from the original

Deuteranopia#564C00no green cones; the most common form, about 1% of men; ΔE 54.7 from the original

Tritanopia#990007no blue cones; rare, and affects men and women equally; ΔE 6.7 from the original

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

Contrast with white, large text10.06:1WCAG large text: AAA

Contrast with black, large text2.09:1WCAG large text: Fail

Named colours

Dark red · ΔE 3.1 Maroon · ΔE 3.6 Brown · ΔE 12.3 Firebrick · ΔE 12.3 Saddle brown · ΔE 26.2 Sienna · ΔE 26.7

Nearest named CSS colourDark red (#8B0000)ΔE 3.07, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#018A84

Analogous#8A014B, #8A4001

Triadic#078A01, #01078A

Split complementary#018A40, #014B8A

Tetradic#4B8A01, #018A84, #40018A

Tints, shades & saturation

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

Lighter +40%#FE5960

Lighter +30%#FD2730

Lighter +20%#EF020C

Lighter +10%#BD010A

Darker −10%#570104

Darker −20%#250002

Darker −30%#000000

Darker −40%#000000

More saturated +25%#8B0006

Less saturated −25%#791217

Channel breakdown

R138

Red138 (54.1%)

Green1 (0.4%)

Blue7 (2.7%)

Hue357.37°

Saturation (HSL)98.56%

Lightness27.25%

Dominant channelRed

Hex per channelR 8A · G 01 · B 07

Keep nerding

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#8A0107

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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