Recognised as Colour

#AA1D30

#AA1D30
Red
Dark
Nearest: Brown

#AA1D30 is a red with RGB values 170, 29, 48 and HSL 352°, 71%, 39%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#AA1D30#AA1D30

HEX#AA1D30

RGBrgb(170, 29, 48)

RGB (0–1)0.6667, 0.1137, 0.1882

RGB percentages66.7%, 11.4%, 18.8%

HSLhsl(351.9, 70.9%, 39%)

HSV / HSBhsv(351.9, 82.9%, 66.7%)

CMYK0%, 82.9%, 71.8%, 33.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,148,592

CSS custom property--colour: #AA1D30;

Brightness & contrast

Relative luminance0.09638WCAG 2.x, 0 is black and 1 is white

Perceived brightness96.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.17:1

Contrast with white7.17:1WCAG normal text: AAA

Contrast with black2.93:1WCAG normal text: Fail

Greyscale equivalent#3C3C3C

Inverted#55E2CF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4A442Fno red cones; affects about 1% of men; ΔE 58.8 from the original

Deuteranopia#6D622Bno green cones; the most common form, about 1% of men; ΔE 59.1 from the original

Tritanopia#BB0026no blue cones; rare, and affects men and women equally; ΔE 12.7 from the original

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

Contrast with white, large text7.17:1WCAG large text: AAA

Contrast with black, large text2.93:1WCAG large text: Fail

Named colours

Brown · ΔE 6.9 Firebrick · ΔE 11.1 Dark red · ΔE 17.7 Maroon · ΔE 17.9 Crimson · ΔE 19.6 Indian red · ΔE 19.9

Nearest named CSS colourBrown (#A52A2A)ΔE 6.92, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1DAA97

Analogous#AA1D76, #AA511D

Triadic#30AA1D, #1D30AA

Split complementary#1DAA51, #1D76AA

Tetradic#77AA1D, #1DAA97, #511DAA

Tints, shades & saturation

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

Lighter +40%#EFA4AE

Lighter +30%#E87887

Lighter +20%#E14C60

Lighter +10%#D6243C

Darker −10%#7E1624

Darker −20%#530E17

Darker −30%#27070B

Darker −40%#000000

More saturated +25%#C3041E

Less saturated −25%#913642

Channel breakdown

R170

G29

B48

Red170 (66.7%)

Green29 (11.4%)

Blue48 (18.8%)

Hue351.91°

Saturation (HSL)70.85%

Lightness39.02%

Dominant channelRed

Hex per channelR AA · G 1D · B 30

Keep nerding

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

#AA1D30

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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