Recognised as Colour

#AB051C

#AB051C
Red
Dark
Nearest: Firebrick

#AB051C is a red with RGB values 171, 5, 28 and HSL 352°, 94%, 35%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#AB051C#AB051C

HEX#AB051C

RGBrgb(171, 5, 28)

RGB (0–1)0.6706, 0.0196, 0.1098

RGB percentages67.1%, 2%, 11%

HSLhsl(351.7, 94.3%, 34.5%)

HSV / HSBhsv(351.7, 97.1%, 67.1%)

CMYK0%, 97.1%, 83.6%, 32.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,207,964

CSS custom property--colour: #AB051C;

Brightness & contrast

Relative luminance0.0885WCAG 2.x, 0 is black and 1 is white

Perceived brightness94.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.58:1

Contrast with white7.58:1WCAG normal text: AAA

Contrast with black2.77:1WCAG normal text: Fail

Greyscale equivalent#2A2A2A

Inverted#54FAE3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#463F1Ano red cones; affects about 1% of men; ΔE 64 from the original

Deuteranopia#6B5F13no green cones; the most common form, about 1% of men; ΔE 63.5 from the original

Tritanopia#BD0013no blue cones; rare, and affects men and women equally; ΔE 11.1 from the original

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

Contrast with white, large text7.58:1WCAG large text: AAA

Contrast with black, large text2.77:1WCAG large text: Fail

Named colours

Firebrick · ΔE 4.8 Brown · ΔE 11.7 Dark red · ΔE 11.9 Maroon · ΔE 15.1 Crimson · ΔE 16.7 Indian red · ΔE 27.3

Nearest named CSS colourFirebrick (#B22222)ΔE 4.76, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#05AB94

Analogous#AB056F, #AB4105

Triadic#1CAB05, #051CAB

Split complementary#05AB41, #056FAB

Tetradic#6FAB05, #05AB94, #4105AB

Tints, shades & saturation

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

Lighter +40%#FB8192

Lighter +30%#FA4F67

Lighter +20%#F81E3C

Lighter +10%#DD0624

Darker −10%#790414

Darker −20%#48020C

Darker −30%#160104

Darker −40%#000000

More saturated +25%#B00018

Less saturated −25%#951B2C

Channel breakdown

R171

B28

Red171 (67.1%)

Green5 (2%)

Blue28 (11%)

Hue351.69°

Saturation (HSL)94.32%

Lightness34.51%

Dominant channelRed

Hex per channelR AB · G 05 · B 1C

Keep nerding

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

#AB051C

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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