Colour

#AB002B

#AB002B
Red
Dark
Nearest: Brown

#AB002B is a red with RGB values 171, 0, 43 and HSL 345°, 100%, 34%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#AB002B#AB002B

HEX#AB002B

RGBrgb(171, 0, 43)

RGB (0–1)0.6706, 0, 0.1686

RGB percentages67.1%, 0%, 16.9%

HSLhsl(344.9, 100%, 33.5%)

HSV / HSBhsv(344.9, 100%, 67.1%)

CMYK0%, 100%, 74.9%, 32.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,206,699

CSS custom property--colour: #AB002B;

Brightness & contrast

Relative luminance0.08832WCAG 2.x, 0 is black and 1 is white

Perceived brightness94.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.59:1

Contrast with white7.59:1WCAG normal text: AAA

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

Greyscale equivalent#272727

Inverted#54FFD4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#443F2Bno red cones; affects about 1% of men; ΔE 64.3 from the original

Deuteranopia#6A5F25no green cones; the most common form, about 1% of men; ΔE 64.1 from the original

Tritanopia#BD0018no blue cones; rare, and affects men and women equally; ΔE 16.9 from the original

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

Contrast with white, large text7.59:1WCAG large text: AAA

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

Named colours

Brown · ΔE 11 Firebrick · ΔE 11 Crimson · ΔE 16.5 Dark red · ΔE 17.8 Maroon · ΔE 18.7 Indian red · ΔE 24.3

Nearest named CSS colourBrown (#A52A2A)ΔE 11.04, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00AB80

Analogous#AB0080, #AB2B00

Triadic#2BAB00, #002BAB

Split complementary#00AB2B, #0080AB

Tetradic#80AB00, #00AB80, #2B00AB

Tints, shades & saturation

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

Lighter +40%#FF789A

Lighter +30%#FF4574

Lighter +20%#FF124E

Lighter +10%#DE0038

Darker −10%#78001E

Darker −20%#450011

Darker −30%#120005

Darker −40%#000000

More saturated +25%#AB002B

Less saturated −25%#961536

Channel breakdown

R171

B43

Red171 (67.1%)

Green0 (0%)

Blue43 (16.9%)

Hue344.91°

Saturation (HSL)100%

Lightness33.53%

Dominant channelRed

Hex per channelR AB · G 00 · B 2B

Keep nerding

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

#AB002B

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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