Colour

#AB2143

#AB2143
Red
Dark
Nearest: Brown

#AB2143 is a red with RGB values 171, 33, 67 and HSL 345°, 68%, 40%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#AB2143#AB2143

HEX#AB2143

RGBrgb(171, 33, 67)

RGB (0–1)0.6706, 0.1294, 0.2627

RGB percentages67.1%, 12.9%, 26.3%

HSLhsl(345.2, 67.6%, 40%)

HSV / HSBhsv(345.2, 80.7%, 67.1%)

CMYK0%, 80.7%, 60.8%, 32.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,215,171

CSS custom property--colour: #AB2143;

Brightness & contrast

Relative luminance0.10151WCAG 2.x, 0 is black and 1 is white

Perceived brightness99.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.93:1

Contrast with white6.93:1WCAG normal text: AA

Contrast with black3.03:1WCAG normal text: Fail

Greyscale equivalent#414141

Inverted#54DEBC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#494843no red cones; affects about 1% of men; ΔE 58.3 from the original

Deuteranopia#6C643Fno green cones; the most common form, about 1% of men; ΔE 59 from the original

Tritanopia#BC0030no blue cones; rare, and affects men and women equally; ΔE 17 from the original

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

Contrast with white, large text6.93:1WCAG large text: AAA

Contrast with black, large text3.03:1WCAG large text: AA

Named colours

Brown · ΔE 15.8 Indian red · ΔE 19.8 Firebrick · ΔE 21.7 Crimson · ΔE 24.9 Maroon · ΔE 26.6 Dark red · ΔE 27.7

Nearest named CSS colourBrown (#A52A2A)ΔE 15.82, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#21AB89

Analogous#AB2188, #AB4421

Triadic#43AB21, #2143AB

Split complementary#21AB44, #2188AB

Tetradic#88AB21, #21AB89, #4421AB

Tints, shades & saturation

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

Lighter +40%#EFAABB

Lighter +30%#E67F98

Lighter +20%#DE5476

Lighter +10%#D62954

Darker −10%#801932

Darker −20%#561022

Darker −30%#2B0811

Darker −40%#000000

More saturated +25%#C50836

Less saturated −25%#923A50

Channel breakdown

R171

G33

B67

Red171 (67.1%)

Green33 (12.9%)

Blue67 (26.3%)

Hue345.22°

Saturation (HSL)67.65%

Lightness40%

Dominant channelRed

Hex per channelR AB · G 21 · B 43

Keep nerding

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

#AB2143

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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