Recognised as Colour

#A01D1D

#A01D1D
Red
Dark
Nearest: Brown

#A01D1D is a red with RGB values 160, 29, 29 and HSL 0°, 69%, 37%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#A01D1D#A01D1D

HEX#A01D1D

RGBrgb(160, 29, 29)

RGB (0–1)0.6275, 0.1137, 0.1137

RGB percentages62.7%, 11.4%, 11.4%

HSLhsl(0, 69.3%, 37.1%)

HSV / HSBhsv(0, 81.9%, 62.7%)

CMYK0%, 81.9%, 81.9%, 37.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,493,213

CSS custom property--colour: #A01D1D;

Brightness & contrast

Relative luminance0.08441WCAG 2.x, 0 is black and 1 is white

Perceived brightness90.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.81:1

Contrast with white7.81:1WCAG normal text: AAA

Contrast with black2.69:1WCAG normal text: Fail

Greyscale equivalent#393939

Inverted#5FE2E2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#48401Bno red cones; affects about 1% of men; ΔE 55.7 from the original

Deuteranopia#675C16no green cones; the most common form, about 1% of men; ΔE 56.1 from the original

Tritanopia#B1001Fno blue cones; rare, and affects men and women equally; ΔE 10 from the original

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

Contrast with white, large text7.81:1WCAG large text: AAA

Contrast with black, large text2.69:1WCAG large text: Fail

Named colours

Brown · ΔE 5.6 Firebrick · ΔE 6.5 Dark red · ΔE 9.3 Maroon · ΔE 10.5 Crimson · ΔE 22.7 Indian red · ΔE 23.6

Nearest named CSS colourBrown (#A52A2A)ΔE 5.62, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1DA0A0

Analogous#A01D5F, #A05F1D

Triadic#1DA01D, #1D1DA0

Split complementary#1DA05F, #1D5FA0

Tetradic#5FA01D, #1DA0A0, #5F1DA0

Tints, shades & saturation

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

Lighter +40%#ED9C9C

Lighter +30%#E57171

Lighter +20%#DD4646

Lighter +10%#CB2525

Darker −10%#751515

Darker −20%#4A0D0D

Darker −30%#1E0606

Darker −40%#000000

More saturated +25%#B80505

Less saturated −25%#883535

Channel breakdown

R160

G29

B29

Red160 (62.7%)

Green29 (11.4%)

Blue29 (11.4%)

Hue0°

Saturation (HSL)69.31%

Lightness37.06%

Dominant channelRed

Hex per channelR A0 · G 1D · B 1D

Keep nerding

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

#A01D1D

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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