Recognised as Colour

#AB0539

#AB0539
Red
Dark
Nearest: Brown

#AB0539 is a red with RGB values 171, 5, 57 and HSL 341°, 94%, 35%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#AB0539#AB0539

HEX#AB0539

RGBrgb(171, 5, 57)

RGB (0–1)0.6706, 0.0196, 0.2235

RGB percentages67.1%, 2%, 22.4%

HSLhsl(341.2, 94.3%, 34.5%)

HSV / HSBhsv(341.2, 97.1%, 67.1%)

CMYK0%, 97.1%, 66.7%, 32.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,207,993

CSS custom property--colour: #AB0539;

Brightness & contrast

Relative luminance0.09062WCAG 2.x, 0 is black and 1 is white

Perceived brightness95.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.47:1

Contrast with white7.47:1WCAG normal text: AAA

Contrast with black2.81:1WCAG normal text: Fail

Greyscale equivalent#2C2C2C

Inverted#54FAC6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#424039no red cones; affects about 1% of men; ΔE 63.4 from the original

Deuteranopia#696034no green cones; the most common form, about 1% of men; ΔE 63.9 from the original

Tritanopia#BC0021no blue cones; rare, and affects men and women equally; ΔE 20 from the original

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

Contrast with white, large text7.47:1WCAG large text: AAA

Contrast with black, large text2.81:1WCAG large text: Fail

Named colours

Brown · ΔE 15.2 Firebrick · ΔE 18.7 Crimson · ΔE 20.6 Indian red · ΔE 23.3 Maroon · ΔE 24.5 Dark red · ΔE 24.8

Nearest named CSS colourBrown (#A52A2A)ΔE 15.24, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#05AB77

Analogous#AB058C, #AB2405

Triadic#39AB05, #0539AB

Split complementary#05AB24, #058CAB

Tetradic#8CAB05, #05AB77, #2405AB

Tints, shades & saturation

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

Lighter +40%#FB81A7

Lighter +30%#FA4F85

Lighter +20%#F81E62

Lighter +10%#DD064A

Darker −10%#790428

Darker −20%#480218

Darker −30%#160107

Darker −40%#000000

More saturated +25%#B00037

Less saturated −25%#951B41

Channel breakdown

R171

B57

Red171 (67.1%)

Green5 (2%)

Blue57 (22.4%)

Hue341.2°

Saturation (HSL)94.32%

Lightness34.51%

Dominant channelRed

Hex per channelR AB · G 05 · B 39

Keep nerding

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

#AB0539

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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