Recognised as Colour

#AA1D52

#AA1D52
Red
Dark
Nearest: Indian red

#AA1D52 is a red with RGB values 170, 29, 82 and HSL 337°, 71%, 39%. It is a dark colour, so white text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#AA1D52#AA1D52

HEX#AA1D52

RGBrgb(170, 29, 82)

RGB (0–1)0.6667, 0.1137, 0.3216

RGB percentages66.7%, 11.4%, 32.2%

HSLhsl(337.4, 70.9%, 39%)

HSV / HSBhsv(337.4, 82.9%, 66.7%)

CMYK0%, 82.9%, 51.8%, 33.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,148,626

CSS custom property--colour: #AA1D52;

Brightness & contrast

Relative luminance0.10034WCAG 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 6.98:1

Contrast with white6.98:1WCAG normal text: AA

Contrast with black3.01:1WCAG normal text: Fail

Greyscale equivalent#3F3F3F

Inverted#55E2AD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#434853no red cones; affects about 1% of men; ΔE 58.9 from the original

Deuteranopia#68634Fno green cones; the most common form, about 1% of men; ΔE 59.7 from the original

Tritanopia#BA0035no blue cones; rare, and affects men and women equally; ΔE 21.8 from the original

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

Contrast with white, large text6.98:1WCAG large text: AAA

Contrast with black, large text3.01:1WCAG large text: AA

Named colours

Indian red · ΔE 25.7 Brown · ΔE 25.8 Medium violet red · ΔE 26 Pale violetred · ΔE 26.3 Firebrick · ΔE 31.7 Crimson · ΔE 32

Nearest named CSS colourIndian red (#CD5C5C)ΔE 25.75, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1DAA75

Analogous#AA1D99, #AA2E1D

Triadic#52AA1D, #1D52AA

Split complementary#1DAA2E, #1D99AA

Tetradic#99AA1D, #1DAA75, #2E1DAA

Tints, shades & saturation

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

Lighter +40%#EFA4C0

Lighter +30%#E878A2

Lighter +20%#E14C84

Lighter +10%#D62467

Darker −10%#7E163D

Darker −20%#530E28

Darker −30%#270713

Darker −40%#000000

More saturated +25%#C3044C

Less saturated −25%#913658

Channel breakdown

R170

G29

B82

Red170 (66.7%)

Green29 (11.4%)

Blue82 (32.2%)

Hue337.45°

Saturation (HSL)70.85%

Lightness39.02%

Dominant channelRed

Hex per channelR AA · G 1D · B 52

Keep nerding

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

#AA1D52

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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