Colour

#A50216

#A50216
Red
Dark
Nearest: Firebrick

#A50216 is a red with RGB values 165, 2, 22 and HSL 353°, 98%, 33%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#A50216#A50216

HEX#A50216

RGBrgb(165, 2, 22)

RGB (0–1)0.6471, 0.0078, 0.0863

RGB percentages64.7%, 0.8%, 8.6%

HSLhsl(352.6, 97.6%, 32.7%)

HSV / HSBhsv(352.6, 98.8%, 64.7%)

CMYK0%, 98.8%, 86.7%, 35.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,813,974

CSS custom property--colour: #A50216;

Brightness & contrast

Relative luminance0.08101WCAG 2.x, 0 is black and 1 is white

Perceived brightness90.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.01:1

Contrast with white8.01:1WCAG normal text: AAA

Contrast with black2.62:1WCAG normal text: Fail

Greyscale equivalent#262626

Inverted#5AFDE9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#433B14no red cones; affects about 1% of men; ΔE 62.3 from the original

Deuteranopia#675C0Bno green cones; the most common form, about 1% of men; ΔE 62.7 from the original

Tritanopia#B7000Fno blue cones; rare, and affects men and women equally; ΔE 10.1 from the original

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

Contrast with white, large text8.01:1WCAG large text: AAA

Contrast with black, large text2.62:1WCAG large text: Fail

Named colours

Firebrick · ΔE 5.4 Dark red · ΔE 9.6 Brown · ΔE 12 Maroon · ΔE 13.1 Crimson · ΔE 19 Indian red · ΔE 28.5

Nearest named CSS colourFirebrick (#B22222)ΔE 5.39, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#02A591

Analogous#A50268, #A54002

Triadic#16A502, #0216A5

Split complementary#02A540, #0267A5

Tetradic#67A502, #02A591, #3F02A5

Tints, shades & saturation

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

Lighter +40%#FD7686

Lighter +30%#FD435A

Lighter +20%#FC112E

Lighter +10%#D7031D

Darker −10%#73010F

Darker −20%#400109

Darker −30%#0E0002

Darker −40%#000000

More saturated +25%#A70014

Less saturated −25%#901726

Channel breakdown

R165

B22

Red165 (64.7%)

Green2 (0.8%)

Blue22 (8.6%)

Hue352.64°

Saturation (HSL)97.6%

Lightness32.75%

Dominant channelRed

Hex per channelR A5 · G 02 · B 16

Keep nerding

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

#A50216

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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