Recognised as Colour

#A6051E

#A6051E
Red
Dark
Nearest: Firebrick

#A6051E is a red with RGB values 166, 5, 30 and HSL 351°, 94%, 34%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#A6051E#A6051E

HEX#A6051E

RGBrgb(166, 5, 30)

RGB (0–1)0.651, 0.0196, 0.1176

RGB percentages65.1%, 2%, 11.8%

HSLhsl(350.7, 94.2%, 33.5%)

HSV / HSBhsv(350.7, 97%, 65.1%)

CMYK0%, 97%, 81.9%, 34.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,880,286

CSS custom property--colour: #A6051E;

Brightness & contrast

Relative luminance0.08309WCAG 2.x, 0 is black and 1 is white

Perceived brightness91.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.89:1

Contrast with white7.89:1WCAG normal text: AAA

Contrast with black2.66:1WCAG normal text: Fail

Greyscale equivalent#292929

Inverted#59FAE1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#443D1Dno red cones; affects about 1% of men; ΔE 62.3 from the original

Deuteranopia#685D16no green cones; the most common form, about 1% of men; ΔE 62.5 from the original

Tritanopia#B70014no blue cones; rare, and affects men and women equally; ΔE 11.4 from the original

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

Contrast with white, large text7.89:1WCAG large text: AAA

Contrast with black, large text2.66:1WCAG large text: Fail

Named colours

Firebrick · ΔE 5.8 Brown · ΔE 9.7 Dark red · ΔE 11.7 Maroon · ΔE 13.9 Crimson · ΔE 18 Indian red · ΔE 26.1

Nearest named CSS colourFirebrick (#B22222)ΔE 5.8, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#05A68D

Analogous#A6056E, #A63C05

Triadic#1EA605, #051EA6

Split complementary#05A63C, #056EA6

Tetradic#6FA605, #05A68D, #3D05A6

Tints, shades & saturation

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

Lighter +40%#FB7C90

Lighter +30%#FA4A66

Lighter +20%#F8193C

Lighter +10%#D80627

Darker −10%#740415

Darker −20%#43020C

Darker −30%#110103

Darker −40%#000000

More saturated +25%#AB001B

Less saturated −25%#911A2D

Channel breakdown

R166

B30

Red166 (65.1%)

Green5 (2%)

Blue30 (11.8%)

Hue350.68°

Saturation (HSL)94.15%

Lightness33.53%

Dominant channelRed

Hex per channelR A6 · G 05 · B 1E

Keep nerding

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

#A6051E

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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