Recognised as Colour

#A50031

#A50031
Red
Dark
Nearest: Brown

#A50031 is a red with RGB values 165, 0, 49 and HSL 342°, 100%, 32%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#A50031#A50031

HEX#A50031

RGBrgb(165, 0, 49)

RGB (0–1)0.6471, 0, 0.1922

RGB percentages64.7%, 0%, 19.2%

HSLhsl(342.2, 100%, 32.4%)

HSV / HSBhsv(342.2, 100%, 64.7%)

CMYK0%, 100%, 70.3%, 35.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,813,489

CSS custom property--colour: #A50031;

Brightness & contrast

Relative luminance0.08221WCAG 2.x, 0 is black and 1 is white

Perceived brightness91.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.94:1

Contrast with white7.94:1WCAG normal text: AAA

Contrast with black2.64:1WCAG normal text: Fail

Greyscale equivalent#272727

Inverted#5AFFCE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#403D31no red cones; affects about 1% of men; ΔE 62.5 from the original

Deuteranopia#655C2Cno green cones; the most common form, about 1% of men; ΔE 62.9 from the original

Tritanopia#B6001Bno blue cones; rare, and affects men and women equally; ΔE 18.8 from the original

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

Contrast with white, large text7.94:1WCAG large text: AAA

Contrast with black, large text2.64:1WCAG large text: Fail

Named colours

Brown · ΔE 12.7 Firebrick · ΔE 16.2 Crimson · ΔE 20.5 Maroon · ΔE 21 Dark red · ΔE 21.4 Indian red · ΔE 23.7

Nearest named CSS colourBrown (#A52A2A)ΔE 12.73, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00A574

Analogous#A50083, #A52200

Triadic#31A500, #0031A5

Split complementary#00A522, #0083A5

Tetradic#83A500, #00A574, #2200A5

Tints, shades & saturation

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

Lighter +40%#FF729C

Lighter +30%#FF3F78

Lighter +20%#FF0C54

Lighter +10%#D80040

Darker −10%#720022

Darker −20%#3F0013

Darker −30%#0C0004

Darker −40%#000000

More saturated +25%#A50031

Less saturated −25%#901539

Channel breakdown

R165

B49

Red165 (64.7%)

Green0 (0%)

Blue49 (19.2%)

Hue342.18°

Saturation (HSL)100%

Lightness32.35%

Dominant channelRed

Hex per channelR A5 · G 00 · B 31

Keep nerding

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

#A50031

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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