Recognised as Colour

#AA1D3B

#AA1D3B
Red
Dark
Nearest: Brown

#AA1D3B is a red with RGB values 170, 29, 59 and HSL 347°, 71%, 39%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#AA1D3B#AA1D3B

HEX#AA1D3B

RGBrgb(170, 29, 59)

RGB (0–1)0.6667, 0.1137, 0.2314

RGB percentages66.7%, 11.4%, 23.1%

HSLhsl(347.2, 70.9%, 39%)

HSV / HSBhsv(347.2, 82.9%, 66.7%)

CMYK0%, 82.9%, 65.3%, 33.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,148,603

CSS custom property--colour: #AA1D3B;

Brightness & contrast

Relative luminance0.09741WCAG 2.x, 0 is black and 1 is white

Perceived brightness97.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.12:1

Contrast with white7.12:1WCAG normal text: AAA

Contrast with black2.95:1WCAG normal text: Fail

Greyscale equivalent#3D3D3D

Inverted#55E2C4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#48453Bno red cones; affects about 1% of men; ΔE 58.9 from the original

Deuteranopia#6B6237no green cones; the most common form, about 1% of men; ΔE 59.4 from the original

Tritanopia#BB002Bno blue cones; rare, and affects men and women equally; ΔE 15.5 from the original

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

Contrast with white, large text7.12:1WCAG large text: AAA

Contrast with black, large text2.95:1WCAG large text: Fail

Named colours

Brown · ΔE 12.3 Firebrick · ΔE 17.7 Indian red · ΔE 19.7 Crimson · ΔE 22.3 Maroon · ΔE 23 Dark red · ΔE 23.7

Nearest named CSS colourBrown (#A52A2A)ΔE 12.28, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1DAA8C

Analogous#AA1D81, #AA461D

Triadic#3BAA1D, #1D3BAA

Split complementary#1DAA46, #1D81AA

Tetradic#82AA1D, #1DAA8C, #461DAA

Tints, shades & saturation

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

Lighter +40%#EFA4B4

Lighter +30%#E87890

Lighter +20%#E14C6C

Lighter +10%#D6244A

Darker −10%#7E162C

Darker −20%#530E1D

Darker −30%#27070E

Darker −40%#000000

More saturated +25%#C3042D

Less saturated −25%#913649

Channel breakdown

R170

G29

B59

Red170 (66.7%)

Green29 (11.4%)

Blue59 (23.1%)

Hue347.23°

Saturation (HSL)70.85%

Lightness39.02%

Dominant channelRed

Hex per channelR AA · G 1D · B 3B

Keep nerding

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

#AA1D3B

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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