Recognised as Colour

#5A001B

#5A001B
Red
Dark
Nearest: Maroon

#5A001B is a red with RGB values 90, 0, 27 and HSL 342°, 100%, 18%. It is a dark colour, so white text on it reaches 14.5:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#5A001B#5A001B

HEX#5A001B

RGBrgb(90, 0, 27)

RGB (0–1)0.3529, 0, 0.1059

RGB percentages35.3%, 0%, 10.6%

HSLhsl(342, 100%, 17.6%)

HSV / HSBhsv(342, 100%, 35.3%)

CMYK0%, 100%, 70%, 64.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,898,267

CSS custom property--colour: #5A001B;

Brightness & contrast

Relative luminance0.02253WCAG 2.x, 0 is black and 1 is white

Perceived brightness50.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.48:1

Contrast with white14.48:1WCAG normal text: AAA

Contrast with black1.45:1WCAG normal text: Fail

Greyscale equivalent#151515

Inverted#A5FFE4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1E1E1Bno red cones; affects about 1% of men; ΔE 40.7 from the original

Deuteranopia#353018no green cones; the most common form, about 1% of men; ΔE 40.8 from the original

Tritanopia#64000Cno blue cones; rare, and affects men and women equally; ΔE 13 from the original

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

Contrast with white, large text14.48:1WCAG large text: AAA

Contrast with black, large text1.45:1WCAG large text: Fail

Named colours

Maroon · ΔE 29.5 Brown · ΔE 30.3 Dark red · ΔE 34.2 Sienna · ΔE 37.4 Saddle brown · ΔE 38 Firebrick · ΔE 38.6

Nearest named CSS colourMaroon (#800000)ΔE 29.55, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#005A3F

Analogous#5A0048, #5A1200

Triadic#1B5A00, #001B5A

Split complementary#005A12, #00485A

Tetradic#485A00, #005A3F, #12005A

Tints, shades & saturation

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

Lighter +40%#FF2768

Lighter +30%#F30049

Lighter +20%#C0003A

Lighter +10%#8D002A

Darker −10%#27000C

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#5A001B

Less saturated −25%#4F0B1F

Channel breakdown

R90

B27

Red90 (35.3%)

Green0 (0%)

Blue27 (10.6%)

Hue342°

Saturation (HSL)100%

Lightness17.65%

Dominant channelRed

Hex per channelR 5A · G 00 · B 1B

Keep nerding

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

#5A001B

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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